5.56mm Semi-Automatic Pistol
The all new 5.56mm Semi-Automatic Pistol is equipped with an SB Tactical® SBA3™ Pistol Stabilizing Brace®, which features integral QD sling sockets and a minimalist design. This pistol also boasts a carbine-length gas system for reliability. The 9″ aluminum free-float handguard features Magpul® M-LOK® accessory attachment slots for easy customization.
The AR-556 pistol ships with one 30-round Magpul PMAG.
- Lower receiver is fitted with an adjustable SB Tactical® SBA3™ Pistol Stabilizing Brace® to aid in accuracy, balance and recoil management.
- Handguard is free-floating for accuracy and the slim, 9″ length provides enhanced ergonomics and support. Magpul® M-LOK® accessory attachment slots along the 3:00, 6:00 and 9:00 positions.
- Made from aerospace-grade 7075-T6 aluminum forging, the flattop upper receiver includes a forward assist, dust cover and brass deflector.
- Bolt is machined from 9310 alloy steel and is shot peened and pressure (proof) tested to ensure strength, structural integrity and durability.
- Carbine-length gas system ensures reliable function with a wide variety of ammunition.
- Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning. The 1:8″ twist rate stabilizes bullets from 35 to 77 grains, and the 5.56 NATO chamber allows the use of both 5.56 NATO and .223 Rem. ammunition. M4 feed ramps provide improved reliability, and the matte black oxide finish reduces glare and provides corrosion resistance.
- Bolt carrier and gas key have chrome-plated inside diameters to provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing. A matte black oxide finish on the exterior of the bolt carrier provides corrosion resistance.
- A Ruger® flash suppressor is provided, and the 1/2″-28 threaded barrel allows for standard muzzle accessories to be installed.
- Also includes: One, 30-round Magpul® PMAG®.
- Model Number: 8570
- Caliber: 5.56mm NATO
- Feature: SB Tactical® SBA3™ Pistol Stabilizing Brace®
- Handguard: Free-Float with M-LOK® Attachment Slots
- Sights: None
- Barrel Length: 10.50″
- Thread Pattern: 1/2″-28
- Type: Pistol
- Twist: 1:8″ RH
- Capacity: 30
- Finish: Type III Hard Coat Anodized
- Height: 7.20″
- Weight: 6.2 lb.
- Overall Length: 25.30″ – 27.90″
- Grooves: 5
- CA Approved: No
- MA Approved & Certified: No
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