Toolcraft 9mm Bolt Carrier Group features a new ultra durable 4140 steel M16 style extractor as opposed to the pistol style extractor in the previous generation. It is also compatible with both Glock and Colt style magazines. The 8620 steel carrier is manufactured to strict tolerances and features a removable counter weight for compatibility with a wide array of buffers.
Material: 8620 Steel Carrier, 8740 Hard Chrome Stainless Firing Pin
Type: Blowback, M16 Full Auto
Extractor: 4140 M16 Style
Coating: Black Nitride
Compatibility: Glock and Colt style lower receivers
Other: MPI Inspected; Removable counterweight