Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome
In stock
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group – Chrome
The Microbest Bolt Carrier Group is an excellent choice for any build. This drop-in AR-15 BCG features a corrosion-resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected Carpenter 158 steel bolt. Crafted from domestically sourced 8620 steel, the M16 cut carrier features a gas key secured by properly staked Grade 8 screws and made in the U.S.A.
Features
- .233/5.56 NATO
- Hard chrome finish
- M16 cut
- Aircraft-quality 8620 steel carrier
- 4130 steel gas key
- Properly staked grade 8 gas key screws
- Carpenter 158 steel bolt
- 4140 steel extractor
- MIL-SPEC O-ring
- MIL-SPEC gas rings
- 4140 steel cam pin
- 8740 steel firing pin with hard chrome finish
- Magnetic particle inspected
- Proudly made in the U.S.A.
| Weight | 11.6 oz |
|---|---|
| Dimensions | 7.5 × 1.25 × 1.25 in |
| Bolt Material | Carpenter 158 Steel |
| Finish | Chrome |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Carrier Profile | M16 |
| High Pressure Tested | Individually HP Tested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Chrome |
| UPC | 14700 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.