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HS Produkt d.o.o. is a Croatian firearms manufacturing company, best known for design and production of the HS2000 and XDM series of semi-automatic pistols, [4] [5] which are sold in the United States market by Springfield Armory, Inc., under their XD, XD-S, XD-M, Echelon and Hellcat brandings.
The gauge (in American English or more commonly referred to as bore in British English) of a firearm is a unit of measurement used to express the inner diameter (bore diameter) and other necessary parameters to define in general a smoothbore barrel (compare to caliber, which defines a barrel with rifling and its cartridge).
The whole system is forged from one piece, and is sometimes called a monolithic rail. This system allows for a completely free floating barrel. Another unique feature is that the system can be adapted for different barrel lengths by screwing on an extension. The system was introduced as an upgrade in the Dutch Army with the C7 and C8 in 2009.
The change from one barrel to the other may be done by a clockwork type system, where a cam alternates between barrels, or by an inertial system where the recoil of firing the first barrel toggles the trigger to the next barrel. A double-barreled shotgun with an inertial trigger works best with full power shotshells; shooting low recoil ...
The M 98 system consists of a receiver that serves as the systems shroud and a bolt group of which the bolt body has three locking lugs, two large main lugs at the bolt head and a third safety lug at the rear of the bolt which serves as a backup in case the primary locking lugs failed. This third lug is a distinctive feature and was not present ...
A pepperbox by Allen & Thurber, one of the most common American designs A mid 19th century four barrel Russian pepperbox revolver. The pepper-box revolver or simply pepperbox (also "pepper-pot", from its resemblance to the household pepper shakers) is a multiple-barrel firearm, mostly in the form of a handgun, that has three or more gun barrels in a revolving mechanism.
The 282 cu in (4.6 L) engine underwent engineering upgrades that included an all-new head design with an improved cooling system and quench-type combustion chambers, a higher 8.0:1 compression ratio, and a new two-barrel aluminum intake manifold, while the rear differential gear ratio changed from 3.31:1 to 3.07:1.
Glock 18C: The compensator cuts start about halfway back on the top of the barrel. The two rear cuts are narrower than the two front cuts. The two rear cuts are narrower than the two front cuts. The slide is hollowed, or dished-out, in a rectangular pattern between the rear of the ejection port and the rear sight.