Glock

GLOCK G19 Gen4 MOS features a Glock factory threaded barrel; a dual recoil spring assembly that substantially increases the life of the system. The G19 GLOCK accessory rail for your attachments, the MOS configuration makes mounting a reflex sight on the pistols slide without the need for a new slide or separate mounting System quick and easy. Adding to that, the modular back strap system makes it possible to instantly customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for left and right-handed shooters.