Rosco Manufacturing Purebred 6mm ARC Rifle + 1 Gas Length Barrel - 20"

The Rosco Manufacturing 20” 6mm ARC barrel is designed with an SPR contour, offering optimal balance and accuracy. With optimized gas ports, this barrel can accommodate popular precision bullet weights and suppressors. This barrel features a rifle + 1 gas system and is crafted from 416R stainless steel with a bead blast finish and a 1:7.5 twist rate for optimal performance. The barrel has 5/8x24 threads for adding your preferred muzzle device. Built upon years of experience, Rosco Manufacturing’s barrels undergo stringent quality control, ensuring durability and performance.

Features:

• Chambered in 6mm ARC
• 20” SPR barrel
• 1:7.5 twist rate
• 5/8x24 barrel threads
• Rifle + 1 gas system length
• 0.750 gas block size
• 416R stainless steel construction
• 80 grit bead blasted finish
• Nickel boron extension finish
• Step crown
• Weight: 42.8 oz.