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The Stevens Model 77E was a pump-action shotgun offered in 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore. The military version 77E was the most widely used shotgun of the Vietnam War . It was a short-barreled pump-action shotgun known variously as the "trench" or "riot" shotgun in 12 gauge.
Available in 20-gauge or .410-bore/.45 Colt only. These single-shot guns have either a blued finish or an electroless nickel finish with a full-length thumb-hole polymer stock. The right side of the stock is open with storage for three 20-gauge or four .410-bore shotgun shells. It also has ejectors that automatically expel spent shells.
The .410 bore (10.4 mm) is one of the smallest caliber of shotgun shell commonly available (along with the 9mm Flobert rimfire cartridge, and the less common .22 rimfire shot shell). A .410 bore shotgun loaded with shot shells is well suited for small game hunting and pest control .
The USP was originally built around the .40 S&W cartridge, but a 9×19mm Parabellum was introduced at the same time. In May 1995, Heckler & Koch introduced a .45 ACP variant. The USP Compact series was introduced in 1996 and is available in 9 mm Parabellum, .40 S&W, .45 ACP, and, exclusively to the Compact model, .357 SIG.
Pump shotgun with camo coverage. [15] Wingmaster 12-gauge (2 + 3 ⁄ 4" and 3"), 20-gauge, and .410-bore 25–28 in (640–710 mm) Vent Rib, Rem Choke Satin finish on stock and fore-end. American walnut woodwork. Receiver and barrel are polished blue. [16] Fieldmaster Fully Rifled Cantilever 12-gauge 20 in (510 mm) Fully rifled
Piston pump compared to a plunger pump. A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. [1] Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate.
The Winchester Model 1912, also commonly known as the Winchester 1912, Model 12, or M12, is an internal-hammer pump-action shotgun with an external tube magazine. Popularly named the Perfect Repeater at its introduction, it largely set the standard for pump-action shotguns over its 51-year high-rate production life. From August 1912 until first ...
An axial-flow pump for industrial use. An axial-flow pump, or AFP, is a common type of pump that essentially consists of a propeller (an axial impeller) in a pipe.The propeller can be driven directly by a sealed motor in the pipe or by electric motor or petrol/diesel engines mounted to the pipe from the outside or by a right-angle drive shaft that pierces the pipe.