About this product
The Midwest Industries bolt carrier group is an assembled M16-profile BCG for 5.56/.223 AR-15s. The 8620 carrier and 4140 billet gas key are titanium nitride coated, the gas key is torqued with grade 8 fasteners and staked, and the Carpenter 158 bolt is heat treated, shot peened and magnetic particle inspected with an H&M black nitride finish. It has a billet 4140 extractor with insert and O-ring, a 4140 cam pin and a 17-4 stainless firing pin, and it is made in the USA.
Specifications
- Brand: Midwest Industries
- Caliber: .223/5.56
- Fits: AR-15/M16
- Manufacturer Part #: MIBCGTIN
- Carrier: 8620 steel, M16 profile, titanium nitride
- Bolt: Carpenter 158, magnetic particle inspected
- Firing pin: 17-4 H-900 stainless
- UPC: 812102032984
A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice.