One Horse 18" 6mm ARC Rifle 1:7 M-LOK Complete Upper - $427

Description

The One Horse 18″ 6mm ARC Rifle Complete Upper is built for shooters who want to extend the reach of the AR-15 platform without giving up reliability. Its 18-inch 416R stainless barrel and 1:7.5 twist are designed to deliver strong stabilization and accuracy across a range of 6mm ARC loads, making it a solid choice for precision shooting, hunting, and general-purpose long-range setups. The free-float M-LOK handguard provides a stable, accessory-ready platform, while the included nitride-finished bolt carrier group and charging handle make it a ready-to-install option for compatible Mil-Spec AR-15 lowers.
Features
18-inch 6mm ARC barrel
Free-float M-LOK handguard
Nitride-finished bolt carrier group included
Charging handle included
Built for Mil-Spec AR-15 lower compatibility
Made in the U.S.A.
Specifications
Caliber: 6mm ARC
Barrel Profile: HBAR
Muzzle Thread: 5/8×24
Twist Rate: 1:7.5
Gas System: Rifle
Barrel Material: 416R stainless steel
Handguard Length: 18 in.
Country of Origin: U.S.A.