MasterPiece Arms, manufactures of the MPA MAC Line of semi-auto submachine pistols and carbines, will unveil the new MPA57SST Defender semi-auto at the 2012 SHOT Show in Las Vegas, Nevada on January 17 – 20, 2012. Based on the successful, standard MAC design the new MPA57SST will be available in both a 5-inch fixed barrel pistol and a 16.75-inch carbine. Available in 5.7x28mm with 20-round magazines standard and a 30-round option for the carbine, the MPA57SST will feature a threaded barrel with ½ x28 threads making it suppressor ready.
The MPA57SST Defender Semi-Auto will come with adjustable sights, a side-cocker, scope mount and muzzle break and features all the accuracy, low recoil and performance expected from the Masterpiece Arms Defender series. MSRP will be $599.00. Masterpiece Arms will be submitting the new MPA57SST for California Compliance testing with a 10-round magazine for the carbines only.[youtube=http://www.youtube.com/watch?v=is2GTXH7YPg&feature=youtu.be]