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Long recoil operation is found primarily in shotguns, particularly ones based on John Browning's Auto-5 action. In 1885 a locked breech, long recoil action was patented by the Britons Schlund and Arthur. [9] In a long recoil action, the barrel and bolt remain locked together during recoil, compressing the recoil springs.
This inertial release uses the recoil of a discharged round to unlock the breech. The action was designed to only unlock after firing or with the use of the slide release and not by dry firing like many modern shotguns. All model 520s were only offered in 12 gauge until 1928. [10] Stevens Model 520 (1920-1924)
The Winchester Model 1200 pump action shotgun employs a rotating bolt in a bolt carrier (slide) rather than the tilting breechblock used in the Model 12. [10] The Model 1200 was the second shotgun design to utilize a rotating bolt; the Armalite AR-17 being the first. [6] The bolt locks directly into the barrel and has four locking lugs.
The Model 11-48 is a long-recoil operated semi-automatic shotgun based on the Model 11, itself based on an 1898 design by John Browning. Shells are stored in a tubular magazine under the barrel . When a chambered shell is fired, the barrel and bolt recoiling together (for a distance greater than the shell length) re-cock the hammer , eject the ...
Shotguns intended for all-round hunting are a compromise, but a 72 to 74 cm (28–29 in) barrel pump-action 12-gauge shotgun with a modified choke can serve admirably for use as one gun intended for general all-round hunting of small-game such as quails, rabbits, pheasants, doves, and squirrels in semi-open wooded or farmland areas in many ...
The Winchester Model 1912 (Model 12) is a pump-action slide shotgun manufactured by Winchester Repeating Arms and entered service in 1912. It uses a 12-, 16-, 20-, or 28-gauge caliber and a 6 ...
Similarly, doubles are more easily examined to see if loaded than pump-action or semi-automatic shotguns, whose bolt must be opened and chamber closely examined or felt to make sure it is unloaded; with a double gun (or a break-action single gun), whether the gun is loaded, i.e., has cartridges in any chamber, is easily and immediately seen ...
The first pump-action shotgun to be sold commercially and in substantial quantities was the Spencer 1882. [6] [7] Many older pump-action shotguns can be fired faster than modern ones, as they often did not have a trigger disconnector, and were capable of firing a new round as fast as the pump action was cycled, with the trigger held down ...