6.5 Grendel Bolt Carrier Group
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