18" 6MM ARC Ballistic Advantage Stainless QPQ SPR 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 cant, it has been tested, selected and fielded by a specialized group within the U.S. DoD for their multipurpose combat rifle program.
- 18 inch 6MM ARC 416R Stainless QPQ SPR Barrel by Ballistic Advantage with 1x7 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.
- Rifle Length Gas System.
- Competition Muzzle Brake with crush washer.
This upper assembly will fit all mil-spec AR15 lower receivers.
This item will ship directly to you with no FFL transfer required.
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DetailsCurrent Stock:SKU: UA60A18PB07SR24R_15ML00_CB_BAUPC:Availability: Usually Ships in 24 Hours