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Barrels with an integral muzzle brake are often said to be ported. The concept of a muzzle brake was first introduced for artillery. It was a common feature on many anti-tank guns , especially those mounted on tanks , in order to reduce the area needed to take up the strokes of recoil and kickback.
As far back as 1787 a Frenchman by the name of M. Magne de Marolles gave an account of choke-boring, though he argued against it. [3]Some sources state that the first pioneer was a Czech named Dominik Brandejs, who made shotguns with a choke in order to reduce the dispersion of shots, but his design was not popular in the 1820s.
Illustration of forces in muzzle rise. Projectile and propellant gases act on barrel along barrel centerline A. Forces are resisted by shooter contact with gun at grips and stock B. Height difference between barrel centerline and average point of contact is height C. Forces A and B operating over moment arm / height C create torque or moment D, which rotates the firearm's muzzle up as ...
Gun laws in Ohio regulate the sale, possession, and use of firearms and ammunition in the U.S. state of Ohio. [1] [2] Summary table. Subject / law
Like IPSC Shotgun, the minimum caliber for shotguns are 20 gauge in the Open, Limited and Tactical divisions, only the Heavy Metal division is unique in that it requires a 12 gauge pump-action shotgun. Open. The Open division allows optical sights, muzzle brakes, and detachable magazines or the use of speed loaders for internal magazines.
A homicide investigation is underway after three women were found dead inside a Columbus, Ohio residence over the weekend. On Saturday, Dec. 14 just before 4 p.m. local time, Columbus Police ...
United States President Barack Obama firing a Browning Citori 525 on the range at Camp David. [4] The side jet of smoke is from the ported barrel.. Browning Citoris come in all of the popular shotgun shell gauges, and are made in an over-under "stacked" barrel configuration, with forends and buttstocks made from high quality walnut wood.
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