DSA AR15 M16 Cut Complete Bolt Carrier Group – PVD Finish – 5.56 -.223 – 300 BLK
Features PVD – Physical Vapor Deposition Finish
Benefits of PVD Coating:
- Reduction of friction
- Improved lubricity
- Abrasion & wear resistance
- Validated in the medical, aerospace, injection molding and tool and die industries.
- Very Low Coefficient of Friction
- High Mechanical Hardness
- Reduction of Lubricants
- Optimal mold release properties
- Low deposition temperatures
- Corrosion protection
- High hardness (2400-4000 HV) (~ 80-90 HRc)
- Increased surface quality of the machined parts
- No change in dimensions due to coating thickness at micron level
Bolt carrier group for your AR15 or M16. Manufactured and assembled by USGI Contractor DSArms. Completely assembled, includes bolt carrier, bolt, firing pin, cam pin, and retaining pin.
Bolt
- 9310 Super Alloy Steel (7% stronger than Carpenter No. 158® Steel)
- MPI Bolt (Magnetic Particle Inspected)
- Hardened Steel Extractor
- Heavy Duty Extractor Spring
- Black Extractor Insert
- Mil-Spec O-Ring
- Milspec Gas rings (3)
- Nitride exterior
Bolt Carrier
- Proper 8620 steel
- Shot Peened
- Chrome Lined
- Properly Staked Chrome lined Gas Key
- Grade 8 Gas Key Screws
- Heavy Duty M16 design
- PVD exterior
Cam Pin
- Hardened Steel
- NTF Finish
Firing Pin
- Hardened Steel
- Chrome Plated
Firing Pin Retaining Pin
- Hardened Steel
- Black Oxide Exterior
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