Gauge: .410 (36), 65 mm (2 1/2″) chamber
Length: 960 mm (860mm for collapsible butt “S” models)
Barrel length: 510 mm (also 320 mm or 610 mm)
Weight 2.6 – 2.7 kg
Capacity: 9, 10 or 15 rounds in detachable box magazine
The T-14 was developed by the Turkish company Safir Arms. It is based on the famous Ar15/M16 assault rifle. At the present time it is offered in only one caliber, .410×65 (also known as 36 gauge, 2 /12 inch chamber). With .410 caliber bullet weighting 7.5 gram (116 grains) the manufacturer claims muzzle velocities in the range of 2,290 fps., providing muzzle energies of about 1,320 ft-lbs. The T-14 shotgun is semi-automatic only and is available in different barrel lengths to make it legal for civilian use in various countries that permit its citizens to own shotguns.
The T-14 shotgun is a gas operated weapon with a rotary bolt locking system. The gas system utilizes a annual (ring-type) short-stroke gas piston, located around the barrel. For maintenance and cleaning, the gas piston can be removed from the barrel after removing the front sight with its base. The bolt group externally resembles the AR-15 bolt, but has a redesigned bolt head with three radial lugs and an ejector, optimized for rimmed shotgun shells. The receiver is similar in design to Ar-15 rifles. It is made from aircraft-grade aluminum alloy and consists of two parts (upper and lower), connected by two cross-pins. The trigger unit and manual safety also resemble some units of the Ar-15 rifle. T-14 shotguns are produced either with integral, M16A2-type carrying handle and rear sight block, or with M16A3-type flat-top receiver with Picatinny rail. The furniture is made of plastic, and buttstocks are available either in fixed or telescoped (M4-type) varieties. Detachable box magazines are specially designed for rimmed shotgun ammunition.
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