Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride
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Microbest 5.56 NATO AR 15 Bolt Carrier Group – Black Nitride
The Microbest 5.56 NATO AR-15 Bolt Carrier is known for being the benchmark for quality and reliability throughout the industry. Microbest not only manufactures its bolt carriers but also provides parts to some of the biggest and most well-known brands. These AR-15 bolt carriers feature a corrosion-resistant salt bath nitride finish and are backed by a lifetime warranty.
Features
- .233/5.56 NATO
- Corrosion-resistant salt bath nitride 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
- Lifetime warranty
- Proudly made in the U.S.A.
| Weight | 15 oz |
|---|---|
| Dimensions | 2 × 6 × 8 in |
| Bolt Material | Carpenter 158 Steel |
| Finish | Salt Bath Nitride |
| 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 | Salt Bath Nitride |
| UPC | 14701 |
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.
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