Rainier Arms Ultramatch .308 BCG
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Description:
Match style DPMS Pattern Bolt Carrier Assembly designed to work with DPMS style barrel extension and compatible upper receivers. Always check compatibility prior to use in any firearm.
Carrier Specifications:
Full Auto Carrier
SAE 8620
Heat Treated
Shot Peened
Finish is QPQ treated
Bolt:9310 Steel
Shot Peened
Heat Treated
QPQ treated
Extractor:S7 Tool Steel
Precision Machined
Shot Peened
Heat Treated
QPQ treated
Extractor Components: Extractor Spring made of Music Wire (The best spring steel available) “Reliability post” exceeds MIL-SPEC. Made with OUR OWN multi-cavity mold with the highest grade of chemical and heat resistant rubber, VITON. Our Reliability posts are NOT commercially available. VITON Rubber “Full-Auto O Ring” made if you want the highest grade of chemical and heat resistant rubber.
Extractor Retaining Pin:
Precision Machined 4140
Heat Treated
Precision ground to diameter
Firing Pin:Colt Full Auto Spec
Machined 4140
Heat Treated