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Chokes are implemented as either screw-in chokes, selected for particular applications, or as fixed, permanent chokes, integral to the shotgun barrel. Chokes may be formed at the time of manufacture either as part of the barrel, by squeezing the end of the bore down over a mandrel, or by threading the barrel and screwing in an interchangeable ...
The original 870 models were offered with fixed chokes. In 1986 Remington introduced the new Remington "Rem Choke" system of screw-in chokes (also fitted to Remington model 1100 auto-loading shotguns at the same time). Initially, the Rem Chokes were offered only in 12 gauge in barrel lengths of 21, 26 and 28 in (530, 660 and 710 mm).
Designed by Wayne Leek and Robert Kelley, [2] [3] the Remington Model 1100 was introduced in 1963 as a successor to the Model 58 and Model 878 gas operated shotguns. [4] The Model 58 had supplanted the recoil operated Model 11-48, which retained the long recoil action of John Browning's original design, present in the Model 11 and the Browning Auto-5.
The Spartan 310 has a walnut stock and fore-end, the shooter can select automatic ejectors or extractors, and a ventilated barrel rib. It uses screw-in SPR choke tubes.By default, the bottom barrel fires first, but the shooter can select the top barrel to fire first by pushing the trigger blade forward when the gun is loaded and closed. [4]
The Model 11-87 is a gas operated semi-automatic shotgun.Upon firing a shell, some of the high-pressure gases from the burning propellant are diverted through two small holes under the barrel, [2] forcing the bolt toward the buttstock, which in turn ejects the spent shell.
The Remington Model 11-48 is a semi-automatic shotgun manufactured by Remington Arms as the first of its "new generation" semi-automatics produced after World War II. [1] Released as the replacement for the Remington Model 11 , it was manufactured from 1949 to 1968 and was produced in 12, 16, 20 and 28 gauge and .410 variations.
A Remington Model 870 shotgun Below is a list of firearms produced by the Remington Arms Company , [ 1 ] founded in 1816 as E. Remington and Sons . Following the breakup of Remington Outdoor Company in 2020, the Remington Firearms brand name operates under RemArms, LLC.
At the muzzle end of the barrel, the choke can constrict the bore even further, so measuring the bore diameter of a shotgun is not a simple process, as it must be done away from either end. Shotgun bores are commonly "overbored" or "backbored", meaning that most of the bore (from the forcing cone to the choke) is slightly larger than the value ...