Evolve Weapons Systems Full-Auto M16 Bolt Carrier Group
This Evolve Weapons Systems bolt carrier group is ready for a lifetime of hard use.
They are individually high pressure tested and feature a C158, magnetic particle inspected, bolt. It features a phosphate 4140 extractor as well as a phosphate, chrome lined gas key and sprinco springs! All Evolve Weapons Systems products come with a 100% Lifetime Warranty!
Features:
- Phosphate finish
- Chrome-lined interior
- Sprinco Springs
- 8620 steel carrier
- 4130 steel gas key
- Properly staked grade 8, domestically sourced gas key screws
- Carpenter 158 steel bolt
- 4140 steel extractor
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