This Evolve Weapons Systems BCG features a corrosion resistant hard chrome finish. They are individually high pressure tested and feature a c158, magnetic particle inspected, bolt. This bcg 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:
- Hard chrome finish
- Sprinco Springs
- 8620 steel carrier
- 4130 steel gas key
- M-Guns OCKS gas key fasteners
- Carpenter 158 steel bolt
- 4140 steel extractor
