9300 SST-X Tactical Carbine

MasterPiece Arms, manufactures of the MPA Mac Line of semi-auto submachine pistols and carbines unveiled the new Defender 9300 SST-X Tactical Carbine at the 2011 SHOT Show in Las Vegas. Built on the popular MPA Mac Mini 9MM, the  carbine comes complete with a muzzle break, 16-inch barrel, multi-reticle Holosight, an aluminum quad rail for application of accessories, a side cocking scope mount and a low profile, lightweight buttstock and a polymer 36-round magazine.