Cobratac Match .308 BCG LR-308 Bolt Carrier Group | Black Nitride

Product Description

Cobratac Match Grade LR-308 DPMS Pattern Bolt Carrier Assembly

Designed to work with DPMS style barrel extension and compatible upper receivers.Complete AR-style .308 bolt and carrier assemblies are drop-in ready for replacement of stock components in existing DPMS LR-308 rifles or for a new custom precision build. Bolt comes fully assembled with firing pin, cam pin, firing pin retaining pin, ejector, extractor, and gas rings installed.  Always check compatibility prior to use in any firearm.

LIFETIME WARRANTY & 100% MADE IN THE U.S.A

Carrier Specifications:

• Full Auto Carrier with forward assist serrations
• SAE 8620 USA Steel, Heat Treated, Shot Peened
• Properly Staked Billet Gas Key
• Finish is Ultra Black QPQ Nitride/Melonite Treated

Bolt Specifications:

• 9310 Steel USA Steel, Shot Peened, Heat Treated
• Finish is Ultra Black QPQ Nitride/Melonite Treated
• Extractor: S7 Tool Steel
• Precision Machined, Shot Peened, Heat Treated
• Finish is Ultra Black QPQ Nitride/Melonite Treated

Extractor Components:

Extractor Spring made of Ultra Resilient Music Wire (The best spring steel available) exceeds MIL-SPEC. VITON Rubber “Full-Auto O Ring” for the highest grade of chemical and heat resistant rubber.

Extractor Retaining Pin Specs:

• Precision Machined 4140, Heat Treated
• Precision ground to diameter

Firing Pin specs:

• Colt Full Auto Spec
• Machined 4140, Heat Treated 
• Chrome Lined