9mm Bolt Carrier Group, Direct Blowback - Nitride
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144.49
$169.99
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9mm Bolt Carrier Group, Direct Blowback - Nitride, The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to meet the extreme demands of blowback AR platform firearms. The Bolt Carrier Group Includes: 8620 Steel Bolt Assembly 4140 Steel Bolt Guides