Britannia Mk1 Air Rifle
BSA MurcuryTypePlace of originProduction historyManufacturerBSA Guns (UK) LimitedSpecificationsMass3 kg (6.6 lb)Length1040mm.177/.22 calibre Pelletsbreak barrel,600 ft/s (183 m/s)SightsAdjustableThe BSA Mercury was a first produced in 1972, by BSA Guns Limited, Birmingham, UK,. It was manufactured in.177 (4.5 mm).22 (5.5 mm) &.25 (6.35mm) The latter named the '635 Magnum' The 'Mercury' model was marketed between the BSA and and was a light, easy to use rifle with a PTFE piston and breach seal, giving a 'just under ' of 12 ft.lbf (16.2 J) of energy. Approximately 40,000 were produced. Contents.Specifications. Overall Length: Rifle 104 cm/42in. Barrel Length: 47 cm/18.5 in.
Weight: 3 kg/6.6 lbsOperation The rifle shared the, with the BSA AirSporter with the spring and piston being compressed by breaking the barrel through 125° before loading a directly into the. The barrel was then returned into place and secured with a detent lock. The single stage trigger was metal and adjustable for pressure and travel.
The were plastic with the front sight being able to be switched from a bead to a blade and the rear adjustable sight could switch between a 'V' and 'square notch'. The cylinder had two shallow grooves to accept a.It had a black painted finish, fitted with a stock and a rubber. A negative point was that the barrel pivot was a low-cost pin rather than a bolt/nut assembly, and this could lead to barrel and cylinder misalignment. The Mercury, being a spring-gun suffered from and was quite noisy for an air rifle. Range was limited to about 40m, with 25-30m being the maximum realistic hunting range.The rifle was packed in a polystyrene tray with a printed cardboard sleeve. The standard kit included a bottle of oil, a small tube of Eley Wasp and a pressed steel target holder with a few targets.Upgrades In response to increased competition from German Manufactured Air weapons’ it was re-launched in 1980 as the Mercury 'S' with a Walnut stock, heavier barrel, an improved trigger, an articulated cocking lever, metal open sights, and a fully metalwork finish. The quality of the 'S' version is generally considered superior to earlier guns.Also in 1980 BSA offered a Mercury with a.25 barrel marketed as the 635 Magnum with a standard stock or the deluxe with a BSA Challenger style stock, with both stock options were beech.
Enfield Mk1 Rifle
This rifle had standard Mercury parts, a shorter barrel, cocking aid & that could be attached to the rear sight. The gun was not popular and production ceased in 1987.In 1985, it was upgraded again to the BSA Mercury Challenger with the addition of the maxigrip scope rail, before being superseded by the in 1986.References.