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Gun Test: Sig Sauer P516 5.56mm AR-Style Pistol

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Gun Test: Sig Sauer P516 5.56mm AR-Style Pistol

“Surrounding the SIG P516’s free-floating barrel and piston is a 7.25-inch-long handguard with Picatinny rails on all sides.”
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There’s just something about AR-style pistols that interests a number of AR-15 enthusiasts, and that interest creates enough demand to spur some AR-15 manufacturers to produce them. The enthusiasm for the pistols could have something to do with the fact that although they are not easily carried, aimed or readily concealed, they can have a self-defense role in certain special situations. Whatever the reason, the demand has caused Sig Sauer to offer a pistol version of its highly successful and rugged AR-15 rifle. In 2010, Sig Sauer introduced the SIG516 piston-driven AR-15. It was the company’s first AR-style gun and was thoroughly tested for dependability. I witnessed an endurance demonstration where the gun was buried in sand, submerged in water and buried at the bottom of a pond in mud before being fired, all without a single malfunction; no cleaning or lubrication was required to keep it running. The pistol is of the same basic design and pedigree, so it should be a tough gun.

“Surrounding the SIG P516’s free-floating barrel and piston is a 7.25-inch-long handguard with Picatinny rails on all sides.”

GUN DETAILS:
Although a 7-inch barrel is offered, the pistol received for testing had a 10-inch barrel. That length is the same as one of Sig’s short-barreled rifles, but the pistol does not require ATF approval for civilian ownership. The barrel is chrome-lined and makes one twist in 7 inches, which is good for stabilizing longer, heavier bullets. It is finished with manganese phosphate for durability and corrosion resistance. Attached at the front is an A2-style birdcage flash suppressor that makes a pretty good attempt at reducing the flash signature, which is difficult with such a short barrel. A removable flip-up front sight is attached to the short Picatinny rail on top of the gas block. Inside the gas block is the gas valve (or plug) that connects to the piston, which sends the bolt carrier group to the rear, cycling the action. The plug can be rotated to one of four positions and features a round hole into which a cartridge can be inserted to help turn it.

Read more: http://dailycaller.com/2014/04/28/gun-test-sig-sauer-p516-5-56mm-ar-style-pistol/#ixzz30IIoIiPQ

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