The Maple Ridge Armoury AR-15 Nitride Bolt Assembly is a precision machined, US MilSpec bolt for the AR-15, M16, M4 series semi-automatic firearm. All bolts are ground after heat treatment and then MPI tested as part of our strict quality control.
MRA AR-15 Nitride Bolt Assembly
$99.95
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Description
The Maple Ridge Armoury AR-15 Nitride Bolt Assembly is a precision machined, US MilSpec bolt for the AR-15, M16, M4 series semi-automatic firearm. All bolts are ground after heat treatment and then MPI tested as part of our strict quality control. Our Enhanced bolt assembly is nitro-carbuized, cryogenically stress relieved and black nitride treated providing excellent corrosion resistance, wear resistance, hardness , and lubricity. The bolt face is chamfered to assist with engagement with the cartridge and along with the rubber extractor insert assist in ejection of the spent case.
- Caliber: .223/5.56×45/300 AAC caliber OR 7.62×39
- Material: 9310 Steel
- Treatment: Nitro-Carburized and Cryogenically Stress Relieved
- Finish: Black Nitride
- Ground after heat treat
- MPI tested
- Chamfered bolt face
- Rubber insert inside extractor spring
Licensed Gun Dealer in Barrie, Ontario.
Additional information
| Weight | 13 lbs |
|---|---|
| Dimensions | 10 × 11 × 12 in |
| Caliber | 223 REM, 5.56MM Nato, 223 Wylde, 300 BLK, 7.62×39 |
