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We offer headspacing services with each bolt added to your AR barrel purchase. The JP high pressure bolts feature a smaller firing pin channel than standard DPMS pattern 308 AR bolts, minimizing primer pocket flow with higher pressure loads. This is beneficial for some of the hotter 6.5 Creedmoor factory loads available. JP High Pressure [...]


The 6.5 Grendel version of the JP EnhancedBolt™ is compatible with any AR-15 platform using a Mil-spec bolt carrier and 6.5 Grendel sub-components. This is a Type II bolt assembly and conforms to current SAAMI specifications for the 6.5 Grendel cartridge.