6.5 Grendel

The Prime Weaponry 6.5 Grendel Bolt Carrier Group (Type 2 Bolt Face) is complete with the M16 Full Auto rated Carrier with an S7 Tool Steel Extractor for not only reliability but long lasting performance. This is a Mil-Spec Bolt Carrier Group treated with our Nitride QPQ process having an overall hardness of 75 Rockwell.


- 8620 Steel Carrier

- 9310 Vac-Arc Steel Bolt

- 4340 Steel Cam Pin

- S7 Tool Steel Extractor

- 4140 Steel gas Key

- Mil Spec Spring kit

- MPI (Magnetic Particle Inspection) Tested

- Nitride QPQ treated