Spikes Tactical ST5BG05 Bolt Carrier Group 5.56 Lightweight M-16 w/HPT/MPI Bolt - Nickel Boron Finish - ST5BG05
Out of stock
Your Bolt Carrier Group is one of the most critical parts of your build. Don’t buy an imitation. This is the same BCG we use on our builds.
Complete Nickel Boron Plated M-16 BCG
Nickel Boron Coating Inside and Out (Bolt, Carrier, and Gas Key)
Laser Engraved with ST Spider logo
Mil Spec Carrier
- 8620 Tool Steel
- Full Auto M-16
- Holes for Reduced Weight (-1oz)
Bolt
- 158 Carpenter Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)
Mil Spec Extractor
- 8620 Tool Steel
- Nickel Boron Finish
- Extractor Spring
- Black Extractor Insert
- Viton O-Ring
Mil Spec Gas Key
- 8620 Tool Steel
- Grade 8 Hardware
- Properly Staked
- Firing Pin with Hard Chrome Finish
- Cam Pin Nickel Boron Finish
- Retaining Pin
- Weight: 10.5oz
| Weight | 10.5 oz |
|---|---|
| Bolt Material | Carpenter 158 Steel |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Finish | Nickel Boron |
| Carrier Profile | M16 |
| High Pressure Tested | HP Tested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Nickel Boron |
| MPN | ST5BG05 |
| UPC | 855319005518 |
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.
