antitank rifle Boys Anti-Tank rifle Mk I
In October 1934, the military leadership of the United Kingdom has initiated a project to develop anti-tank rifle (PTR). This project was headed by well-known expert in arms, assistant chief of the Bureau of Plant Design «Royal Small Arms Factory» Enfield British army captain Boyce (HC Boys). Development was carried out in the framework of activities of the Committee of the British light weapons and had the code name «Stanchion» (backup).
antitank rifle Boys Mk I
When using the
After field tests, the new anti-system in November 1937, was officially adopted by the British Army, received the designation «Boys Anti-Tank rifle Mark I» (Anti-tank gun Boyce model 1). It should be noted that not originally planned to give this weapon a name of one of its developers, but shortly before adopting it Captain Boyce died, that was the reason to perpetuate his name in the title of PTR.
Originally created under the gun 12.7 mm heavy machine gun cartridge from «Vickers». However, tests have shown that the impact of his bullets on the target are not as large as expected, and in 1936 it was for a special cartridge, subsequently received oboznachenie.55 Boys or 13.9 V. Cartridge h99 had armor-piercing bullet and brass sleeve with rim. Meeting at an angle of 90 ° at a distance of 100 meters bullet type W Mk. I steel core weighing 60 grams punched 16-17 mm armor plate and bullet type W Mk. II with a tungsten core weighing 47.6 grams per 100 meters at an angle of 70 ° punched 20-mm armor plate. Insert the following characteristics: Caliber - .55 inch (13.9 mm), weight - 133 grams, the weight of the bullet - 60 (47.6) grams, the weight of the powder charge - 13.74 grams Muzzle velocity - 760 (884) meters per second, the muzzle energy of the bullet - 17.33 kJ. It is possible to use a gun Boys Mk I against light enemy tanks, armored vehicles, cars, but it showed particularly effective in the struggle against pillboxes.
General view PTR Boys Mk I
And - right side view (firing position), B - left view (stowed position).
1 - trunk, 2 - receiver, 3 - valve, 4 - frame 5 - butt,
6 - palm cheeks, 7 - pistol grip, 8 - rear handle,
9 - bipod, 10 - muzzle brake 11 - bracket with front sight,
12 - diopter rear sight, 13 - Shop 14 - clip frame,
15 - Slide the spring damper 16 - plug with a brush,
17 - snap bipod 18 - fuse 19 - magazine catch,
20 - slide catch
From a technical standpoint PTR Boys Mk I is multiply-charged weapons with rotary cylinder lock. The barrel is locked by turning the longitudinal slide gate with six lugs. Reloading weapons was done by hand.
| Caliber, mm || 13.9x99 ( .55 Boys) |
| Length mm || 1626 |
| Barrel length, mm || 910 |
| Weight empty, kg || 16.3 |
| store count. cartridges || 5 |
| Penetration |
(Distance / angle of meeting / Penetration)
- With a bullet W Mk I
- With a bullet W Mk II
100 m / 90o / 16 mm
100 m / 70o / 20 mm
cocking handle located on the right side of the weapon and bred up to the possibility of cocking both left and right hand. The shutter consists of a skeleton with a handle, trigger, firing pin, mainspring, the coupling, the ejector and the reflector. Ejector and a reflector attached to the skeleton shutter by split sleeve. Trigger with the drummer and the mainspring of the core is inserted into the channel gate and fixed coupling.
Trigger simple structure designed for firing single shots. It consists of the trigger and the sear spring.
lever type fuse, located on the left of the receiver, above the pistol grip. To turn the fuse box turned his back (while locked drummer), and to turn forward.
PTR Boys Mk I
trunk was attached to the receiver on the thread and could with her several displaced along the frame, compressing the spring and shock absorber absorbing some of the recoil energy - is borrowed from a combination of artillery muzzle brake and reduces the effect of the mast elastic recoil on the shooter and prevented "jump" gun under the action of the recoil.
In the barrel rifling right-7 was performed. On the barrel was mounted box muzzle brake and front sight bracket.
receiver rested against the shock absorber spring case. This spring is fitted on the guide rod which is sliced front and screwed into the nut box into the frame slot.
rear to the frame with screws fixed backplate made of aluminum alloy. Backplate had a rubber cushion-shock absorber, "cheek" on the left side and a handle for the left hand. In the middle of the fore-end has a space where grease was poured through a hole in the top, stoppered.
PTR Boys Mk I
When complete disassembly
Food PTR Boyce Mk I carried ammunition from a one-row box magazine capacity of five cartridges. Receiver window shop is on top, if you remove it closes shop special lid that leans to the right side of the weapon.
iron sights, consisting of a foresight and dioptrical sight, brought to the brackets to the left of the axis of the bore. Diopter could be set to fire at a range of 300 to 500 m and was also the possibility of installing an optical sight.
for comfortable shooting a gun has two handles: a pistol next to the trigger and the rear handle about butt.
bipod is T-shaped support. In the stowed position bipod folded forward. The angle of inclination forward firing position regulated clamping screws.
It was attached to the gun
accessories for cleaning and disassembly, and a spare set of shops drummer with the mainspring.
antitank rifle Boys Mk I could be carried by one soldier at a gun belt behind.
antitank rifle Boys Anti-Tank rifle Mk I
antitank rifle Boys Anti-Tank rifle Mk I *
arms infantry and commando units, MFR Beuys was installed in an APC Universal Carrier (also known as the Bren Gun Carrier) and armored Standard Beaverette.
Boys Mk I was used in combat is not British and Finnish army - during the Soviet-Finnish war of 1939-1940.
Orders PTR Boys British Army issued until January 1942, when it became apparent that they were ineffective. With the advent of heavy tanks and a large thick armor, use PTR Beuys almost petered out, limited to defeat lightly armored vehicles and fortifications. Replaced antitank guns «Boys» English came grenade "RIAT».
However, after the end of World War II MFR Beuys participated in the fighting - the Korean War, Revolution in the Philippines in 1946-1954 years, as evidenced by the recent fighting application relate to an uprising in the Congo in 1964-65.
PTR Boys Mk I *
Boys Anti-tank rifles model operated by the more than 10 countries, including the UK, Ireland, France, Australia, Canada, Finland (under the designation "14 mm pst kiv/37», were delivered in the UK during the "Winter War" with the Soviet Union), Germany (MFR trophy, received the designation «13.9-mm Panzerabwehrbuchse 782 (e)»), United States, Philippines, USSR (1100 MFI were obtained under the Lend-Lease), Congo, China (some part was under perestvolena ammo. 50 BMG, and used as sniper rifles), etc.
Manufacturers MFR Boys were: British public company Royal Small Arms Factory (RSAF) of Enfield, a private company Birmingham Small Arms Company Ltd. (BSA) from Birmingham and the Canadian firm John Inglis Company in Toronto. The volume of production of these weapons was very large, and during the Second World War it was the most massive anti-tank rifle. Total production in the years from 1937 to 1943 was released on different data from 62000 to 69000 copies.
PTR Boys Mk I *
With an installed optical sight