6MM

Proof Research makes their steel barrels in-house with the exact same commitment to quality and repeatability as employ on their carbon fiber barrels. The drilling, rifling, and lapping process is identical to their composite barrels. They start with the...

Noveske Stainless 6mm ARC 12.5" DDF Barrel - Lo-Pro Gas Block - Headspaced Bolt A family of precision 6mm Advanced Rifle Cartridge (ARC) stainless barrels featuring Noveske’s Disruptive Deep Fluting (DDF), hand-polished Noveske Match chambers, and...

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry.The Carbon Fiber barrel features a full-profile, match-grade 416R stainless steel barrel blanks...

Ballistic Advantage 16" SPR Profile 6mm ARC Premium Black Series Barrel - Mid-Length Gas Designed for shooters who demand elite accuracy and uncompromising durability, this 16" 6MM ARC SPR barrel is the ultimate upgrade for your precision AR build...

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry. The Carbon Fiber barrel features a full-profile, match-grade 416R stainless steel barrel blanks...

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry.The Carbon Fiber barrel features a full-profile, match-grade 416R stainless steel barrel blanks...

Centurion Arms 18" MK11 Stainless Steel Barrel - .308 Winchester Take your AR-10 platform to the next level with the Centurion Arms MK11 Stainless Steel Barrel—a precision-engineered upgrade built for accuracy, durability, and uncompromising...

Centurion Arms 16" MK11 Stainless Steel Barrel - .308 Winchester Take your AR-10 platform to the next level with the Centurion Arms MK11 Stainless Steel Barrel—a precision-engineered upgrade built for accuracy, durability, and uncompromising...

Centurion Arms 16" MK11 Stainless Steel Barrel - 6.5 Creedmoor Take your AR-10 platform to the next level with the Centurion Arms MK11 Stainless Steel Barrel—a precision-engineered upgrade built for accuracy, durability, and uncompromising...

SOLGW 16" PRECISION SPR 6mm MAX 416R SS Barrel - Intermediate-Length Gas When precision matters most, the SOLGW PRECISION series delivers. This 16″ 6mm MAX barrel is the most accurate offering from Sons of Liberty Gun Works—engineered for...

18" SPR Stainless Lo-Pro Gas Block Barrel 6mm ARC w/ Headspaced Bolt - Noveske • 18” 6mm ARC 416R Stainless with 1:7 twist. 3 Land and Groove• Individual serialized barrel for QC purposes• Hand polished Noveske Match 6mm ARC...

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry.The Carbon Fiber barrel features a full-profile, match-grade 416R stainless steel barrel blanks...