18" 6.8 SPC II Complete Upper - Shaw Medium Stainless Barrel - 15" Rail - A2 Flash Hider - BCG - CH

18" 6.8 SPC II Complete Upper Assembly for AR15 with 18" 6.8 SPC II Shaw Medium Stainless Barrel, 15" Rail and A2 Flash Hider. Includes BCG & Charging Handle.

The 6.8mm SPC was designed to offer superior downrange lethality over the 5.56 NATO/.223 Remington in an M4-pattern service rifle with minimal loss of magazine capacity and a negligible increase in recoil. The 6.8 SPC round effectively bridges the gap between 5.56x45 and 7.62x51.

Specifications:

• Barrel: 18 inch 6.8 SPC II Medium 416R Stainless Barrel by Shaw Barrels with 1x11 Twist, 30 Cal Feed Ramps, and 5/8x24 Threads. Shaw Custom Barrels offer unparalleled quality, reliability, and accuracy - every one we sell is match grade. This barrel conforms to SAAMI specs for 6.8 SPC, Type 2. (6.8 SPC II has a 0.136" bolt face depth.)
• Upper: Mil-Spec 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 or KEYMOD attachment points along the entire length at 3, 6, and 9 positions. Hard coat anodized MIL-STD 8625 Type 3 Class 2.
• Gas System: Mid Length Gas System with 0.750" Low Profile Gas Block.
• Muzzle Device: A2 Flash Hider with crush washer.
• Bolt Carrier Group: 6.8 SPC II Nitride BCG with a 8620 Steel Carrier, 9310 Steel Bolt, and MIM Steel Extractor. Mag Particle Inspected and Pressure Tested.
• Charging Handle: Mil-Spec AR15 Charging Handle