The Just Right Carbine is a semi-automatic pistol caliber carbine. The JRC is completely ambidextrous, allowing you to configure the charging handle and ejector on whichever side you prefer. This carbine uses standard AR parts for easy maintenance and customization. It features a 17" 1/2 X28 TPI barrel made of parkerized 4140 chromoly. DETAILS: Other features include a top-mounted Picatinny rail, 6-position buttstock, standard M-4 buffer tube, and standard pistol grip. The receiver, trigger housing, and magazine well are machined from aerospace grade 6061 T6 aluminum. Has an overall length of 31"-34.25" and weighs 6.5 lbs. Includes one 17 round M&P style magazine.