Description
Product
AR-15 8″ 300 BLACKOUT Built Pistol Upper – Multiple Colors
Our Built Barreled Uppers are fully assembled in-house and ready to pin to your lower receiver. We use forged American-made receivers and US-made barrels—carefully selected for quality, reliability, and consistency.
The MCS-CU-8 Built Upper features our ADZ Rail in several different colors, or classic black, with mil-spec Type III Hard-Coat Anodizing.
Specs
- Caliber: .300 AAC Blackout
- Barrel Length: 8“
- Barrel Material:4150V Chrome Moly Vanadium, QPQ finish
- Barrel Twist Rate:1:8
- Feed Ramps:M4, NiB finish
- Muzzle Thread Pitch: 5/8×24
- Gas System:Pistol-length
- Journal Size:0.750″
- Muzzle Device:A2 Flash Hider
- Handguard Length: 7“
- Charging handle:Mil-spec
