Complete Ar15 / m16 Bolt Carrier Group compatible with .458 Socom and .450 Bushmaster . Nickel boron Finish. Drop into your 458/450 upper.
Features:
- Nickel boron coated 8620 m16 Carrier
- .458/450 Compatible Bolt face
- MPI/HPT Tested, Shot Peened
- Extractor
- Ejector
- Properly Staked Gas key with grade 8
- Firing pin
- Retaining pin
- Lifetime Warranty & Made in USA
-300x300.png "15' Gen1 Free Float Quad Rail, photo")
sound of freedom – This was a great set up. I loved being able to customize the set up. Only issue I had was my own fault as a newb to building these. I used a heavy barrel in a slim hand guard. It makes adding attachments tough with clearances. Hoping someday to also get an AR10 from here.