Bolt assembly machined from either Mil-Spec Carpenter 158® steel, shot peened for increased strength per Mil-Spec, includes Mil-Spec 4140 billet tool steel extractor w/ spring and viton o-ring, Mil-Spec ejector and spring.
HPT (High Pressure Batch Tested) and MPI (Magnetic Particle Inspected).
Complete Mil-Spec Bolt includes:
- Mil-Spec Carpenter 158® steel bolt
- Shot Peened for Increased Strength per Mil-Spec
- Tool Steel Extractor Assembly (spring with viton insert, pin, extractor)
- Mil-Spec Ejector Assembly (ejector, spring, roll pin)
- Gas Rings – Set of 3
- Comes Assembled