20" 308 WIN Upper - Ballistic Adv Heavy Modern Series Barrel - 15" Rail - Comp Brake

20" 308 WIN Upper Assembly for AR10 with 20" 308 WIN Ballistic Adv Heavy Modern Series Barrel, 15" Rail and Competition Muzzle Brake.

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: 20 inch 308 WIN Heavy QPQ 4150 CMV Modern Series Barrel by Ballistic Advantage with 1x10 Twist, 30 Cal Feed Ramps, and 5/8x24 Threads. All Ballistic Advantage barrels are guaranteed to give sub-MOA accuracy with match-grade ammunition.
• Upper: 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 Length Gas System with 0.750" Low Profile Gas Block.
• Muzzle Device: Competition Muzzle Brake with crush washer.