The GMR-15 is an updated version of JP's industry-leading 9mm carbine the GMR-13. It’s loaded with innovative features that elevate the pistol caliber carbine platform. First, they started with a ...
JP MicroFit™ takedown pins bring most receivers up to a rock-hard fit and can dramatically improve even the sloppiest receivers. OFFICER Media Group's mission is to provide the most valuable and ...
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