Proof Research PR10 6mm Creedmoor AR-10 Barrel - CAMGAS Length - 22" - Stainless Steel

The Proof Research PR10 in 6mm Creedmoor with a 22-inch stainless steel barrel uses Proof's patented Caliber Matched Gas System (CAMGAS), tuning the gas port location specifically for 6mm Creedmoor's higher downrange pressure.

Features:

• 22" barrel chambered in 6mm Creedmoor, 1/7.5 twist rate
• cut-rifled 416R stainless steel for the complete barrel assembly
• CAMGAS gas system length, dimpled for a set-screw gas block for simple alignment
• Standard 0.750" gas block journal diameter for compatibility with most aftermarket gas blocks
• Cut rifled for genuine accuracy and a long service life
• Threaded muzzle for mounting a suppressor or muzzle device
• Includes a custom-length gas tube matched to the CAMGAS port location

The 416R stainless steel construction gives this barrel excellent accuracy potential and corrosion resistance, a genuine choice for builders who prefer an all-steel barrel over a carbon-fiber-wrapped design.

Because 6mm Creedmoor retains higher bore pressure further down the barrel than .308 Win, a standard AR-10 gas port location can cycle too aggressively; CAMGAS moves that port to deliver a noticeably softer recoil impulse and more reliable extraction for long-range precision shooting.

Proof Research has manufactured carbon-fiber-wrapped barrels since 2010, and its PR15 and PR10 lines reflect that same barrel-making expertise applied to the AR-15 and AR-10 platforms specifically for builders and gunsmiths.