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- Color:
- Black
- Finish:
- Phosphate
- Fabric/Material:
- 8620 Alloy Steel
- Caliber:
- 5.56x45mm NATO
- Gun Model:
- AR-15
- Condition:
- New
- Included Accessories:
- Bolt Assembly, Cam Pin, Complete Carrier, Firing Pin, Retaining Pin
Code: SR4-BCG-AR100
MPN: AR100
UPC: 841348103301
Product Info for DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring
The Doublestar AR15 5.56 Caliber Bolt Carrier Group BCG comes with bolt and firing pin, so it's ready to drop in to the rifle or carbine of your choice. These Bolt Carrier Groups manufactured by DoubleStar are tested and inspected to ensure they are free of imperfections that could lead to premature failures. The staked, chrome-lined gas key of the Doublestar AR15 5.56 BCG prevents gas leakage that can lead to short stroking. Get years of dependable performance from the Doublestar AR15 Bolt Carrier Group BCG.![]()
Features of Doublestar AR-15 5.56 Bolt Carrier Group BCG with O-Ring
- Bolt carrier assembly w/O ring
- 8620 Steel
- Coated per Mil-Spec
- Chrome lined carrier key and bolt assembly
Package Contents:
- DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring
Ammunition




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DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring Unavailable & Discontinued Models
List of Unorderable Models
- DoubleStar AR-15 5.56 Bolt Carrier Group BCG with O-Ring, Black, AR100 , MPN: AR100 , UPC: 841348103301 , Code: SR4-BCG-AR100


































































































































































































