18" 6MM ARC Wilson Combat Stainless Bead Blast Tactical Hunter Fluted Barrel - 15" Rail - Competition Muzzle Brake - AR 15 Upper

18" 6MM ARC Wilson Combat Stainless Bead Blast Tactical Hunter Fluted Barrel AR15 Upper Receiver with 15" Rail and Competition Muzzle Brake

The 6mm ARC utilizes efficient, high-BC bullets to deliver unprecedented performance from the AR-15 platform. Because the versatile 6mm ARC does much of what larger cartridges can and everything that smaller cartridges can’t, it has been tested, selected and fielded by a specialized group within the U.S. DoD for their multipurpose combat rifle program.

Specifications:

• 18 inch 6MM ARC 416R Stainless Bead Blast Tactical Hunter Fluted Barrel by Wilson Combat with 1x7.5 Twist, M4 Feed Ramp, and 5/8x24 Threads. This is a highly accurate, precision machined, match grade barrel.
• Mil-Spec Upper Receiver machined from 7075 T6 aluminum with forward assist and dust cover installed. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• 15" Narrow Profile Free Float Rail machined from 6061 T6 aluminum. Comfortable and light weight, with M-LOK or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• 0.750" Low Profile Gas Block.
• Mid Length Gas System.
• Competition Muzzle Brake with crush washer.