MPN: JPBC-1 / JPBC-1A
*This aluminum AR-15 bolt& carrier should be considered consumable rather than lifetime parts. Aluminum carrier yields a performance advantage for competition applications at a price. Your usage and maintenance will determine the duty life of your carrier.
*We strong encourage use of a titanium firing pin with this carrier to ensure safety.
The JP Enterprises Ultra Low Mass AR-15 Bolt Carrier is a specialized Aluminum Bolt Carrier intended for use in competition AR-15 builds where superior performance and low mass are a must. This bolt carrier remains a drop-in compatible piece, but should be considered a consumable part rather than a lifetime use carrier group. This component is made from aircraft-grade 7075-T6 aluminum and has been redesigned to allow for less finicky maintenance requirements than previous incarnations of JP’s aluminum bolt carrier.
While muzzle devices are used to manage expelled gasses in and, in turn, reduce recoil impact, lightweight aluminum carrier drastically reduce the reciprocating mass of the fired rifle. That translates into less impulse felt by the shooter and a firearm that moves much less during the firing cycle. Less motion translates into better accuracy, and it also means you’ll be able to reacquire your target fast and aim for the next shot.
The JP Enterprises Ultra Low Mass Bolt Carrier is 2.9 ounces lighter than the stainless steel JP Low Mass Bolt Carrier and comes in 0.7 ounces under the weight of even the lightest titanium carriers on the market. When teamed up with other quality competition grade components, like JP’s Silent Capture Spring, an adjustable gas system and a quality muzzle brake, your competition rifle will feel almost like shooting a .22 rimfire.
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