If purchased with an upper, the BCG used for headspacing and test firing will be included.
For AR15 and M16 rifles and carbines. Made in USA. Bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside. Laser engraved with the PSA logo.
- Milspec Carpenter No. 158® steel bolt
- Shot Peened Bolt
- High pressure tested
- Mag particle inspected
- Chrome Lined Carrier (AUTO)
- Chrome Lined Gas Key
- Gas Key Hardened to USGI Specifications
- Gas Key Grade 8 Hardened Fasteners
- Gas Key Staked Per Mil-Spec
- Tool Steel Extractor
- Extractor Spring
- Mil-Spec Extractor O-ring
- Black Extractor Insert