Milspec Carpenter No. 158® Steel
BCM AR15 Bolt Assembly (MPI)
C158, HPT, MPI. Best u can get.
On time, fit right, excellent quality! What more could you want?
Excellent product that works as advertised.
Used this item to complete Gemtech suppressed BCG.
Nothing more to say. BCM is top shelf quality. Shipping was fast.
ran 300 rnds with this bolt no problems.
Very nice bolt assembly, and seems to be very well made. This company is top notch and they ship extremely fast.
I needed a MPI bolt for my Newest SBR build, and everyone I asked told me to get a Bravo Company MPI bolt.