Rainier Arms Bolt Carriers Gun Parts
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Filter Rainier Arms Bolt Carriers Gun Parts

13 months ago
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 Retaining Pin: Precision Machined 4140 Heat Treated Precision ground to diameter Firing Pin:Colt Full Auto Spec Machined 4140 Heat Treated Weight 1.2 lb MPN#: RA-PM-308-BCG-NIB
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