Ruger ® Rapid Deploy folding rear sight provides windage adjustability and pairs with the A2-style, F-height, elevation-adjustable front sight for a solid, reliable aiming system. Made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier.

The Ruger AR-556 is a semiautomatic AR-15 style rifle manufactured by U.S. firearms company Sturm, Ruger & Co. Introduced in 2014 as an entry-level AR-15 using a direct impingement action, with variants since being released such as the upgraded AR-556 MPR (multi-purpose rifle) in 2017 [1] and the AR-556 pistol in 2019. [2]

Equipped with a medium contour, cold hammer-forged alloy barrel with 1:8" twist rifling that provides exceptional accuracy with bullets from 35 to 77 grains. M4 feed ramps and 5.56 NATO chamber allows the use of both 5.56 NATO and .223 Rem. ammunition.

The Ruger® AR-556® Semi-Auto Rifle operates with a traditional, direct-impingement system. A 6-position M4-style buttstock allows rapid adjustment according to the clothing and tactical gear the user wears, or for moving from open environments to tight quarters. The standard tactical handguard is made from heat-resistant, glass-filled nylon.

11" aluminum handguard is free-floated for accuracy and features Magpul ® M-LOK ® accessory attachment slots along the 3:00, 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle. Flat top upper receiver features a Picatinny rail for easy attachment of magnified optic, red dot or open sights.

2014年12月15日 · Dubbed the AR-556, this new M4-style carbine is chambered for 5.56 x 45 mm NATO and .223 Rem. It tips the scale at 6 ½ pounds and has a suggested retail of $749. I met with Mark Gurney, Ruger's...

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Enhancing user comfort, the Ruger AR-556 MPR Rifle is equipped with a Magpul MOE grip and a versatile six-position telescoping stock. These features allow for a customizable fit, ensuring ease of handling and reduced strain during use. The adjustable stock accommodates various body types, promoting better overall control and comfort.