The Toolcraft AR15 DLC Bolt Assembly includes all the internals (DLC Bolt, DLC Cam Pin, Firing Pin, and Firing Pin Retainer)) required to build, rebuild or convert your current bolt carrier group, or use with a Superlative Arms DI Bolt Carrier or Superlative Arms Piston Carrier.
Manufactured and warrantied by Toolcraft. This Toolcraft Bolt Assembly comes with a Diamond-Like Carbon (DLC) finish.
These are great for your new build, retrofit, or to keep on hand as a spare or backup!
Lifetime Warranty & Made in the U.S.A
TOOLCRAFT BOLT ASSEMBLY:
Bolt: Carpenter 158 Steel, DLC Finish
Extractor: 4140 Steel
Mil-Spec O-Ring
Mil-Spec Gas Rings (3)
Cam Pin: 4140 Steel, DLC Finish
Firing Pin: Hard Chrome/Ground 8740
MPI Tested, Shot Peened
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