Proof Research 6mm ARC Stainless Steel Barrel 1-7.5 Twist 14.5"

Description

Product Overview

Proof Research’s 6mm ARC stainless steel barrel is built in-house with the same drilling, rifling, and lapping approach used for their composite barrels. Made from double stress-relieved 416R stainless steel, it’s designed for consistent performance, durability, and repeatability in precision rifle applications.

Key Features

• In-house steel-barrel production with drilling, rifling, and lapping matched to Proof Research composite barrels
• Double stress-relieved 416R stainless steel for consistency and long-term durability
• Pre-hardened chromium stainless construction engineered in collaboration with barrel makers for quality and repeatability
• 6mm ARC chambering with 1-7.5 twist and 14.5" barrel length for stable long-range bullet performance

If you’re building or upgrading a 6mm ARC setup, this Proof Research 14.5" stainless steel barrel with 1-7.5 twist is a precision-focused option built for repeatable results.