100% American made JUST RIGHT CARBINES accept Glock or M&P magazines and are available in: 9mm, .40 S&W, .357 SIG, .45 ACP, and 10mm. New for 2018, the JRC 9mm Pistol! Every JR Carbine includes a Limited Lifetime Warranty. Built on reliable blowback operation, the JR Carbine is ambidextrous and can easily be converted between calibers. Including a Mil-spec Picatinny rail and threaded barrel, the JR Carbine will accept almost any AR accessory. Available with a 13" KeyMod Rail System or in a Takedown model and legal in 50 states, there is a Just Right Carbine that's right for you (less)