Patriot Arms 6mm ARC Assembled Upper – Precision Ready
Engineered for long-range accuracy and tactical performance, this fully assembled upper receiver is built around the power and precision of the 6mm ARC cartridge — ready to drop on your favorite lower and hit the range or field with confidence.
Key Features:
Barrel: 16" Faxon 416R Stainless Steel with a 1:7.5 twist and durable Nitride finish, cut in the versatile Gunner profile for optimized weight and performance.
Gas System: Mid-length Aero Precision Adjustable Gas Block ensures smooth cycling and fine-tuned reliability with varying ammo types.
Muzzle Brake: NA
Upper Receiver: Built on the rugged and sleek Aero Precision M4E1, known for tight tolerances and enhanced strength.
Handguard: Lightweight yet rigid Odin Works O2 Lite free-float rail system provides ample M-LOK mounting space without the bulk.
Bolt Carrier Group: Premium FailZero Nickel Boron (NiB) BCG offers enhanced lubricity, corrosion resistance, and smooth, reliable operation in any environment.
Charging Handle: Aero Precision Breach with Large Lever, perfect for gloved use and fast manipulation under stress.
Magazine: Comes with a 15-round ASC mag, optimized for smooth 6mm ARC feeding.
