AR15 Complete NTFE Coated Bolt Head Assembly – MPI
Features NTFE – Nickel Teflon Finish
Made to our specs by an industry leading OEM manufacturer in the USA. One of our personal favorite bolts to use!
9310 Super Alloy Steel (7% stronger than Carpenter No. 158 Steel).
MPI Bolt (Magnetic Particle Inspected).
Hardened Steel Extractor.
Heavy Duty Extractor Spring.
Black Extractor Insert.
Mil-Spec Gas rings (3).
Nickel Teflon Finish.
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