JP AR15 Complete Bolt Carrier Group
  • JP AR15 Complete Bolt Carrier Group

JP AR15 Complete Low Mass Bolt Carrier Group

$335.95
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All our JP Complete Low Mass Bolt Carrier Groups include bolt carrier, JP enhanced bolt assembly, firing pin, cam pin, and firing pin retainer.  Ready to drop in your upper and run. We know they sell the BCG without the bolt but why buy a top of the line JP bolt carrier group, then put a standard bolt in it. Our bolt carriers include the JP Enhanced bolt. 

Available in black stainless or polished stainless.

JP Low Mass Bolt Carriers

For the no-compromise competition rifle, the LMOS™ offers the most significant improvement in the felt impulse of the rifle as compared to any modification other than the addition of a compensator. By reducing the reciprocating mass, the overall impulse as felt by the shooter is further reduced, and bolt velocity is increased without significantly affecting reliability. JP LMOS™ equipped rifles have virtually no reciprocating mass feel.

Reliability with these parts is excellent for competition use. Most shooters that use and maintain this operating system feel that it is a great performance improvement. Some shooters have even reported fewer unexplained flyers in their groups with the JP LMOS™ system.

The JP Low Mass Carrier works out nicely in the new type of civilian machined receivers that don't have a forward assist. Although it doesn't have the forward assist serrations, it functions in military type receivers as well. It just won't allow the use of forward assist on the receiver. The dust cover functions normally.

You may be wondering why some of the stainless carriers appear black. This is due to a new state of the art surface finish for stainless called QPQ (Quench, Polish, Quench). This is a five-step process resulting in a rock hard surface with natural lubricity. Some want the bright polished look and that is available on the JPBC-3 Low Mass carrier.

 

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