18" 308 WIN Complete Upper Assembly for AR10 with 18" 308 WIN Wilson Combat Super Sniper Fluted Glass Bead SS Barrel, 15" Rail and Competition Muzzle Brake. Includes BCG & Charging Handle.

The .308 Winchester (7.62x51 NATO) is simply the most popular short-action big-game-hunting cartridge in the world, capable of taking down just about any size game in North America with moderate recoil and accuracy beyond 1000 yards.

Specifications:

• Barrel: 18 inch 308 WIN Super Sniper Fluted 416R Glass Bead SS Barrel by Wilson Combat with 1x10 Twist, 30 Cal Feed Ramps, and 5/8x24 Threads. Wilson Combat barrels are manufactured from the best materials with the tightest tollerances to deliver world class performance.
• Upper: DPMS Gen 1 Upper Receiver machined from 7075 T6 aluminum forging with forward assist and dust cover installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• Rail: 15" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Comfortable and light weight, with M-LOK attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• Gas System: Rifle 15.5" Length Gas System with 0.875" Low Profile Gas Block.
• Muzzle Device: Competition Muzzle Brake with crush washer.
• Bolt Carrier Group: 308 WIN Nitride BCG with a 8620 Steel Carrier, 9310 Steel Bolt, and MIM Steel Extractor. Mag Particle Inspected and Pressure Tested.
• Charging Handle: Mil-Spec AR10 Charging Handle