The new GSG-9 pistol from ATI is a modernized and capable pistol caliber carbine that can easily be used for home defense plinking or a compact 9mm for fun at the range. It features a 7.5" barrel an M-LOK handguard for attaching lights or lasers and comes with an adapter that allows it to accept Sig P320 and Glock 9mm magazines. It includes a 33-round Glock style magazine.