Caliber: 5.56 NATO or 223 Wylde. Mil-spec forged 7075 receiver set with Magpul MOE triggerguard. Barrels: 16” or 18”. JP Supermatch 416R barrel, 1:8 twist, black Teflon finish. JP tactical compensator. Hogue Overmolded buttstock, A2 grip, Rapid Configuration handguard, rifle length, with JPHG-SM QD sling mount. JP Full Mass Operating System with EnhancedBolt assembly. JP LE Enhanced Reliability Fire Control Package, 4.0 to 4.5 lbs. trigger-pull weight. Models include Compact Professional Rifle, Professional Rifle, Essentials Carbine, M-LOK Patrol Rifle, and Patrol Rifle. Based in Hugo, MN. Values are for the Essentials Carbine (18” barrel); add 26% for the Compact Professional Rifle (13.5” barrel” and the Professional Rifle (16” barrel).