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UP logo laser engraved Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat-treated to 60-61 RC Mil-Spec Gas Key Key Staked with Grade 8 Screws, per Mil-Spec Mil-Spec Carpenter 158® Bolt w/ Spring and Ejector Tool Steel Extractor w/ Spring and Viton O-ring Mil-Spec Firing Pin w/ Chrome Finish Mil-Spec Cam Pin Full Auto Carrier (Backward compatible with all semi-auto rifles) BCG Weight – 11.55 oz. **NOTE: These are SEMI AUTO bolts, NOT bolts for our True Bolt Action AR15
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🇺🇸 Ship from USA · On Agora since 2026
$100.00