WO2019087034A1 - Slide locking mechanism of a self-loading pistol during a shot - Google Patents

Slide locking mechanism of a self-loading pistol during a shot Download PDF

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Publication number
WO2019087034A1
WO2019087034A1 PCT/IB2018/058440 IB2018058440W WO2019087034A1 WO 2019087034 A1 WO2019087034 A1 WO 2019087034A1 IB 2018058440 W IB2018058440 W IB 2018058440W WO 2019087034 A1 WO2019087034 A1 WO 2019087034A1
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WO
WIPO (PCT)
Prior art keywords
arm
locking
slide
double
roller
Prior art date
Application number
PCT/IB2018/058440
Other languages
French (fr)
Inventor
Viktor SHAMRAI
Original Assignee
Shamrai Viktor
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shamrai Viktor filed Critical Shamrai Viktor
Publication of WO2019087034A1 publication Critical patent/WO2019087034A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/44—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/38—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C3/00—Pistols, e.g. revolvers

Definitions

  • the invention relates to a slide locking mechanism of a self-loading pistol during a shot which is arranged in the front part of the pistol frame below a barrel, whereby a slide is arranged reciprocatingly slidably on the frame, and through the front part of the slide passes the barrel, fixedly mounted in the frame, and a recoil spring of the slide is mounted on a guide arranged below the barrel, whereby the slide locking mechanism during a shot comprises a locking roller mounted in a bearing in the front arm of a double-arm lever and a damping roller mounted in a bearing in the rear arm of the double-arm lever which is mounted on an axis mounted in the frame and in the double-arm lever a cut-out connecting the two bearings is formed, whereby the upper part of the locking roller and the upper part of the damping roller extend to the path of a locking detent of the slide.
  • a pistol Model VIG 007 Speedfire www.vigrand.cz
  • the mechanism consists of a locking roller and a locking spring which are arranged in a body of the locking mechanism.
  • the body of the locking mechanism is formed by a double-arm swinging lever, which is arranged on an axis mounted in the pistol frame.
  • the locking roller is mounted on the front arm of the swinging lever and a damping roller is disposed on the rear arm.
  • the locking spring may be a leaf spring or a shaped wire spring. The leaf spring rests against the axis of the body of the locking mechanism from the top, the shaped wire spring is mounted on the axis of the body of the locking mechanism and may consist of two substantially identical double-arm springs.
  • the advantage of the above-described slide locking mechanism of the self-loading pistol during a shot is its simplicity.
  • the disadvantage is a relatively short service life of the locking spring due to the short length of its front and rear arms and due to a great load at shooting.
  • the goal of the invention is to achieve a longer service life of the locking spring under a great load.
  • a slide locking mechanism of a self-loading pistol the principle of which consists in that in a cut-out of a double- arm lever of locking a slide is rotatably mounted a double-arm bell crank lever, whose front arm extends below a bearing of a locking roller which is supported by it from the bottom, and whose second arm is behind the axis cranked down and at its end a compression cylindrical locking spring is mounted, whose upper end extends below a bearing of a damping roller, which is supported from the bottom by the force of the locking spring.
  • the compression cylindrical locking spring is with its lower end mounted on a pin which is mounted on a bearing member provided at the lower end of the cranked part of the second arm of the double- arm bell crank lever, whereby in the upper part of the locking spring is mounted an upper pin terminated with a stop which abuts the locking spring from the bottom and the damping roller from the top.
  • Fig. 1 shows a partial sectional view of a pistol with a slide locking mechanism in the initial position before shooting
  • Fig. 2 shows a partial sectional view of a pistol with the slide locking mechanism in a position after shooting, when the slide moving rearward has pushed the front locking roller downwards
  • Fig. 3 is a partial sectional view of a pistol with the slide locking mechanism in a position after firing, when the slide moving rearwards has pushed the rear damping roller downwards
  • Fig. 4a shows a double-arm lever for locking the slide
  • Fig. 4b shows a double-arm bell crank lever
  • Fig. 4c shows an upper pin with a stop.
  • the self-loading pistol is made according to patent CZ 306500 on which the slide locking mechanism has been improved and therefore only those parts which are connected to the present invention will be described hereinafter.
  • the self-loading pistol comprises a frame 6 in which a barrel is arranged fixedly and unmovably in a known manner.
  • a guide is formed, on which a slide 2 is disposed reciprocatingly slidably, whereby a recoil spring is mounted on the guide arranged below the barrel and in the front part of the frame 6 below the barrel is arranged the slide locking mechanism.
  • a locking detent 2J_ is formed in the front part of the slide 6 below the barrel. The locking detent 2 is part of the slide and moves together with it.
  • an axis 3 on which is mounted a double-arm lever 1 of locking the slide 2, whose front arm 4 in the resting position before a shot abuts by its front part the lower surface of the locking detent 21 , while the rear arm 5 abuts the frame 6.
  • a bearing is provided in the front arm 4 to accommodate the locking roller 11 j while in the rear arm 5 is formed a bearing for receiving the dampening roller 12.
  • the bearings are formed with upwardly tapered recesses which allow the rollers to extend into the space above the double-arm lever 1_ into the path of the locking detent 2J_ of the slide 2, but prevent their passage.
  • the two bearings are connected by a cut-out in which a double-arm bell crank lever 7 is rotatably mounted on the axis 3, whereby the front arm 8 of the double-arm bell crank lever 7 extends below the bearing of the locking roller 11_ and is provided with a cup 8J. which abuts the locking roller 11_ from the bottom.
  • the second arm 9 of the double-arm bell crank lever 7 is cranked downwards behind the axis 3 and at the lower end is provided with a bearing member 10, on which is mounted a guide pin 101.
  • On the guide pin 101 is mounted a compression cylindrical locking spring 13 abutting by one of its ends the bearing member 10 and directed upwards towards the barrel.
  • an upper pin 14 is mounted, which is terminated with a stop 14 which the compression cylindrical locking spring 13 abuts from the bottom.
  • the compression cylindrical locking spring 13 with the upper pin 141 ancl the stop I 4 is disposed beneath the damping roller 12 which the stop 14 abuts from the bottom.
  • the slide locking mechanism works in the following manner.
  • the slide 2 As soon as the slide 2 receives a sufficient amount of energy from the powder gases, it starts moving backwards due to the action of the energy and forces the locking roller H downwards, as is shown in Fig. 2. While moving downwards, the locking roller H pushes against the front arm 8 of the double- arm bell crank lever 7, turning the double-arm bell crank lever 7 anticlockwise.
  • the lower cranked part of the second arm 9 of the lever 7 together with the horizontal bearing member 10 also turns anticlockwise and pushes from the bottom against the cylindrical locking spring 13, which at the bottom rests against the bearing member 10, whereas at the top it leans through the stop 14 against the damping roller 12.
  • the locking spring 13 is stretched and turns the double-arm bell crank lever 7 clockwise and at the same time returns the front locking roller 11_ to its initial position.
  • the locking detent 2J_ of the slide 2 comes into contact with the rear damping roller 12 and pushes it downwards, as is shown in Fig. 3.
  • the damping roller 12 presses from the top through the stop 14 the cylindrical locking spring 13, which at the bottom abuts against the bearing member 10 of the lower cranked part of the second arm 9 of the double-arm bell crank lever 7.
  • the slide 2 more smoothly and gradually transmits part of the kinetic energy through the damping roller 12 and the locking spring 13 of the pistol frame downwards.
  • the slide 2 is retracted in a known manner to the initial position by the action of the recoil spring.
  • the invention ensures a long service life of the compression cylindrical locking spring 13 in the slide locking mechanism due to the sufficient length of the cylindrical locking spring 13 and its short working stroke.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Seeds, Soups, And Other Foods (AREA)

Abstract

The invention relates to a slide locking mechanism of a self-loading pistol during a shot, arranged in the front part of the pistol (6) frame below a barrel, whereby on the frame a slide (2) is mounted reciprocatingly slidably, through the front part of which passes the barrel, which is fixedly mounted in the frame and a 0 recoil spring of the slide (2) is mounted on a guide arranged below the barrel, whereby the slide locking mechanism (2) during a shot comprises a locking roller (11), mounted in a bearing in the front arm (4) of a double-arm lever (1), and a damping roller (12), mounted in a bearing in the rear arm (5) of the double-arm lever (1) which is mounted on an axis (3), mounted in the frame, (6) 5 and in the double-arm lever (1) a cut-out connecting the two bearings is formed, whereby the upper part of the locking roller (11) and the upper part of the damping roller extend to the path of a locking detent (21) of the slide (2). In the cut-out of the double-arm lever (2), a double-arm bell crank lever (7) is rotatably mounted on the axis (3), the front arm (8) of which extends below the bearing of 0 the locking roller (11) (13) which is supported by it from the bottom, and whose second arm (9) is cranked down behind the axis (3) and at its lower end a compression cylindrical locking spring (13) is mounted, whose upper end extends below the bearing of the damping roller (12), which is supported from the bottom by the force of the locking spring (13).

Description

Slide locking mechanism of a self-loading pistol during a shot
Technical field
The invention relates to a slide locking mechanism of a self-loading pistol during a shot which is arranged in the front part of the pistol frame below a barrel, whereby a slide is arranged reciprocatingly slidably on the frame, and through the front part of the slide passes the barrel, fixedly mounted in the frame, and a recoil spring of the slide is mounted on a guide arranged below the barrel, whereby the slide locking mechanism during a shot comprises a locking roller mounted in a bearing in the front arm of a double-arm lever and a damping roller mounted in a bearing in the rear arm of the double-arm lever which is mounted on an axis mounted in the frame and in the double-arm lever a cut-out connecting the two bearings is formed, whereby the upper part of the locking roller and the upper part of the damping roller extend to the path of a locking detent of the slide.
Background art
Known is a pistol Model VIG 007 Speedfire (www.vigrand.cz) of the Czech firm VIGrand s.r.o. (Czech patent 306500). It is a self-loading-pistol which has a frame with a barrel mounted fixedly and unmovably in the frame and a mechanism for locking a slide at shooting arranged below the barrel. The mechanism consists of a locking roller and a locking spring which are arranged in a body of the locking mechanism. The body of the locking mechanism is formed by a double-arm swinging lever, which is arranged on an axis mounted in the pistol frame. The locking roller is mounted on the front arm of the swinging lever and a damping roller is disposed on the rear arm. Between the two rollers is arranged a double-arm locking spring, which in its central part leans against the axis of the body of the locking mechanism and by its front arm pushes the front locking roller upwards, whereas by its rear arm it pushes the rear damping roller upwards. During a shot, the front locking roller retains the slide until the moment of the bullet exiting the barrel channel. After the bullet shot from the barrel channel, the slide begins to move backwards, pushing the locking roller downwards and, at the same time, compressing the front arm of the locking spring. As the slide approaches the rearmost position, it pushes the rear damping roller downwards, compressing the rear arm of the locking spring. The locking spring may be a leaf spring or a shaped wire spring. The leaf spring rests against the axis of the body of the locking mechanism from the top, the shaped wire spring is mounted on the axis of the body of the locking mechanism and may consist of two substantially identical double-arm springs.
The advantage of the above-described slide locking mechanism of the self-loading pistol during a shot is its simplicity. On the other hand, the disadvantage is a relatively short service life of the locking spring due to the short length of its front and rear arms and due to a great load at shooting.
The goal of the invention is to achieve a longer service life of the locking spring under a great load.
Principle of the invention
The aim of the invention is achieved by a slide locking mechanism of a self-loading pistol, the principle of which consists in that in a cut-out of a double- arm lever of locking a slide is rotatably mounted a double-arm bell crank lever, whose front arm extends below a bearing of a locking roller which is supported by it from the bottom, and whose second arm is behind the axis cranked down and at its end a compression cylindrical locking spring is mounted, whose upper end extends below a bearing of a damping roller, which is supported from the bottom by the force of the locking spring. In a preferred embodiment, the compression cylindrical locking spring is with its lower end mounted on a pin which is mounted on a bearing member provided at the lower end of the cranked part of the second arm of the double- arm bell crank lever, whereby in the upper part of the locking spring is mounted an upper pin terminated with a stop which abuts the locking spring from the bottom and the damping roller from the top.
It is also advantageous if a cup is formed in the front part of the front arm to abut the locking roller from the bottom. Description of drawings
The solution according to the invention is schematically represented in the enclosed drawings, wherein Fig. 1 shows a partial sectional view of a pistol with a slide locking mechanism in the initial position before shooting, Fig. 2 shows a partial sectional view of a pistol with the slide locking mechanism in a position after shooting, when the slide moving rearward has pushed the front locking roller downwards, Fig. 3 is a partial sectional view of a pistol with the slide locking mechanism in a position after firing, when the slide moving rearwards has pushed the rear damping roller downwards, Fig. 4a shows a double-arm lever for locking the slide, Fig. 4b shows a double-arm bell crank lever and Fig. 4c shows an upper pin with a stop.
Examples of embodiment
The self-loading pistol is made according to patent CZ 306500 on which the slide locking mechanism has been improved and therefore only those parts which are connected to the present invention will be described hereinafter. The self-loading pistol comprises a frame 6 in which a barrel is arranged fixedly and unmovably in a known manner. On the frame 6 a guide is formed, on which a slide 2 is disposed reciprocatingly slidably, whereby a recoil spring is mounted on the guide arranged below the barrel and in the front part of the frame 6 below the barrel is arranged the slide locking mechanism. A locking detent 2J_ is formed in the front part of the slide 6 below the barrel. The locking detent 2 is part of the slide and moves together with it.
Below the barrel and below the slide 2 in the frame 6 perpendicularly to the direction of the movement of the slide 2 is arranged an axis 3, on which is mounted a double-arm lever 1 of locking the slide 2, whose front arm 4 in the resting position before a shot abuts by its front part the lower surface of the locking detent 21 , while the rear arm 5 abuts the frame 6. A bearing is provided in the front arm 4 to accommodate the locking roller 11j while in the rear arm 5 is formed a bearing for receiving the dampening roller 12. The bearings are formed with upwardly tapered recesses which allow the rollers to extend into the space above the double-arm lever 1_ into the path of the locking detent 2J_ of the slide 2, but prevent their passage. The two bearings are connected by a cut-out in which a double-arm bell crank lever 7 is rotatably mounted on the axis 3, whereby the front arm 8 of the double-arm bell crank lever 7 extends below the bearing of the locking roller 11_ and is provided with a cup 8J. which abuts the locking roller 11_ from the bottom. The second arm 9 of the double-arm bell crank lever 7 is cranked downwards behind the axis 3 and at the lower end is provided with a bearing member 10, on which is mounted a guide pin 101. On the guide pin 101 is mounted a compression cylindrical locking spring 13 abutting by one of its ends the bearing member 10 and directed upwards towards the barrel. In the upper part of the compression cylindrical locking spring 13 an upper pin 14 is mounted, which is terminated with a stop 14 which the compression cylindrical locking spring 13 abuts from the bottom. The compression cylindrical locking spring 13 with the upper pin 141 ancl the stop I4, is disposed beneath the damping roller 12 which the stop 14 abuts from the bottom. The remaining parts of the self-loading pistol are designed in the same way as in the patent CZ 306500 and also their function is the same.
The slide locking mechanism works in the following manner.
In the initial state (Fig. 1 ) the slide 2 is in the frontmost position, the locking spring 13 is compressed and pushes at the top through the stop 14 against the rear damping roller 12, while at the bottom it pushes against the horizontal bearing member 10 in the lower part of the second arm 9 of the double-arm bell crank lever 7 and through its front arm 8 it urges the locking roller H, while lifting it upwards.
After the shot, powder gases push against the slide 2 through the bottom of the cartridge, trying to push it backwards. In the first phase after the shot, the locking detent 2J_ of the slide 2 abuts the locking roller H, which retains the slide 2 for the duration of the movement of the bullet through the barrel channel.
As soon as the slide 2 receives a sufficient amount of energy from the powder gases, it starts moving backwards due to the action of the energy and forces the locking roller H downwards, as is shown in Fig. 2. While moving downwards, the locking roller H pushes against the front arm 8 of the double- arm bell crank lever 7, turning the double-arm bell crank lever 7 anticlockwise. The lower cranked part of the second arm 9 of the lever 7 together with the horizontal bearing member 10 also turns anticlockwise and pushes from the bottom against the cylindrical locking spring 13, which at the bottom rests against the bearing member 10, whereas at the top it leans through the stop 14 against the damping roller 12. After the slide 2 passes above the surface of the locking roller 11., the locking spring 13 is stretched and turns the double-arm bell crank lever 7 clockwise and at the same time returns the front locking roller 11_ to its initial position. As the slide 2 approaches the rearmost position, the locking detent 2J_ of the slide 2 comes into contact with the rear damping roller 12 and pushes it downwards, as is shown in Fig. 3. While moving downwards, the damping roller 12 presses from the top through the stop 14 the cylindrical locking spring 13, which at the bottom abuts against the bearing member 10 of the lower cranked part of the second arm 9 of the double-arm bell crank lever 7. As a result, the slide 2 more smoothly and gradually transmits part of the kinetic energy through the damping roller 12 and the locking spring 13 of the pistol frame downwards. After hitting the rear stops, the slide 2 is retracted in a known manner to the initial position by the action of the recoil spring.
When the slide moves forward, everything is done in reverse order.
From Figs. 1 to 3, it is obvious that the working stroke of the compression cylindrical locking spring 13 is very small, both when the front locking roller 11_ is pushed down by the locking detent 2J_ of the slide 2 and when the rear damping roller 12 is pushed down by the locking detent 2 of the slide 2.
In this manner, the invention ensures a long service life of the compression cylindrical locking spring 13 in the slide locking mechanism due to the sufficient length of the cylindrical locking spring 13 and its short working stroke. List of references
1 double-arm lever of locking the slide
2 slide
21 locking detent of the slide
3 axis
4 front arm of the double-arm lever of locking the slide
5 rear arm of the slide locking double-arm lever
6 pistol frame
7 double-arm bell crank lever
8 front arm of the double-arm bell crank lever
81 cup
9 second arm of the double-arm bell crank lever
10 bearing member of the other arm of the double-arm bell crank lever 101 guide pin of the compression cylindrical locking spring
1 1 locking roller
12 damping roller
13 compression cylindrical locking spring
14 stop
141 upper pin

Claims

PATENT CLAIMS
1 . A slide locking mechanism of a self-loading pistol during a shot arranged in a front part of the pistol frame (6) below a barrel, whereby on the frame (6) a slide (2) is mounted reciprocatingly slidably, through the front part of which passes the barrel, fixedly mounted in the frame (6), and a recoil spring of the slide (2) is mounted on a guide, arranged below the barrel, whereby the slide locking mechanism during a shot comprises a locking roller (1 1 ), mounted in a bearing in the front part (4) of a double-arm lever (1 ), and a damping roller (12), mounted in a bearing in the rear arm (5) of the double-arm lever (1 ) which is mounted on an axis (3), mounted in the frame (6), and in the double-arm lever (1 ) a cut-out connecting the two bearings is formed, whereby the upper part of the locking roller (1 1 ) and the upper part of the damping roller extend to the path of a locking detent (21 ) of the slide (2), characterized in that in the cut-out of the double-arm lever (1 ) is on the axis (3) rotatably mounted a double-arm bell crank lever (7), whose front arm (8) extends below the bearing of the locking roller (1 1 ), which is supported by it from the bottom, and whose second arm (9) is cranked down behind the axis (3) and at its lower end a compression cylindrical locking spring (13) is mounted, whose upper end extends below the bearing of the damping roller (12), which is supported from the bottom by the force of the locking spring (13).
2. The mechanism according to claim 1 , characterized in that compression cylindrical locking spring (13) is mounted with its lower end on a pin (101 ), which is mounted on a bearing member (10) formed at the lower end of the cranked part of the second arm (9) of the double-arm bell crank lever (7), whereby in the upper part of the locking spring (13) is mounted an upper pin (14) terminated with a stop (141 ), which abuts the locking spring (13) from the bottom and the damping roller (12) from the top.
3. The mechanism according to claim 1 or 2, characterized in that in the front part of the front arm (8), a cup (81 ) is formed to abut the locking roller (12) from the bottom.
PCT/IB2018/058440 2017-10-30 2018-10-29 Slide locking mechanism of a self-loading pistol during a shot WO2019087034A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2017-685A CZ307573B6 (en) 2017-10-30 2017-10-30 A mechanism of a self-loading gun breech lock during a shot
CZPV2017-685 2017-10-30

Publications (1)

Publication Number Publication Date
WO2019087034A1 true WO2019087034A1 (en) 2019-05-09

Family

ID=66332980

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/058440 WO2019087034A1 (en) 2017-10-30 2018-10-29 Slide locking mechanism of a self-loading pistol during a shot

Country Status (2)

Country Link
CZ (1) CZ307573B6 (en)
WO (1) WO2019087034A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176584A (en) * 1978-06-21 1979-12-04 Thomas Frank S Jr Slide locking mechanism for magazine-fed firearms
DE2914396A1 (en) * 1979-04-10 1980-10-30 Waffentechnik Gmbh Hand gun breech locking mechanism - has recesses in barrel breech block and butt for locking roller
GB2071828A (en) * 1980-03-11 1981-09-23 Rheinmetall Gmbh Bolt rebound prevention mechanism
CZ306500B6 (en) 2015-11-05 2017-02-15 Viktor Shamrai An autoloading gun

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1425808A (en) * 1920-12-02 1922-08-15 Auto Ordnance Corp Breech mechanism for guns
CZ2013563A3 (en) * 2013-07-15 2014-08-27 Striker S.R.O. Breech lock of semi-automatic pistol during fire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176584A (en) * 1978-06-21 1979-12-04 Thomas Frank S Jr Slide locking mechanism for magazine-fed firearms
DE2914396A1 (en) * 1979-04-10 1980-10-30 Waffentechnik Gmbh Hand gun breech locking mechanism - has recesses in barrel breech block and butt for locking roller
GB2071828A (en) * 1980-03-11 1981-09-23 Rheinmetall Gmbh Bolt rebound prevention mechanism
CZ306500B6 (en) 2015-11-05 2017-02-15 Viktor Shamrai An autoloading gun
WO2017077412A1 (en) * 2015-11-05 2017-05-11 Shamrai Viktor Self-loading pistol with selective slide lock delaying the opening movement during firing but facilitating manual cocking

Also Published As

Publication number Publication date
CZ2017685A3 (en) 2018-12-19
CZ307573B6 (en) 2018-12-19

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