Calibers: .223, 6.5 Grendel, .224 Valkyrie, .22 LR. Capacity: Magazines vary by chambering. Receiver: Machined from billet 7075-T6 upper/lower receiver set with left-side charging system on the upper receiver. Matte black hardcoat anodizing on aluminum components. Barrel: JP Supermatch 416R air-gauged, button-rifled, cryogenically treated barrel Thermo-Fit to the receiver, polished stainless, JP Compensator. Stock: Hogue OverMolded, Magpul MOE, Magpul CTR, LUTH-AR “Skullaton,” or Mission First Tactical BATTLELINK. Handguard: JP MK III system. Grip: Hogue pistol grip. Sights: Optics ready top rail. Trigger: JP Fire Control Package available in weights of 3.0 to 4.5 lbs. Overall Length: NA. Features: Scaled-down version of the LRP-07 available with the same caliber, barrel, handguard, metal finishing and stock options as the CTR-02. Exaggerated bevel on the magazine well. JP adjustable gas system; choice of JP Low Mass Operating System or JP Full Mass Operating System.