Swiss precision and innovation come together again with the B&T GHM9 W/Glock Lower. With its enhanced trigger system and ambidextrous controls, this sporty 9mm pistol (stock optional with NFA registration) is a perfect and inexpensive semi-automatic platform for dynamic as well as sports shooting. Firearm Specifications Manufacturer: Brügger & Thomet Model: GHM9 Gen 2 Caliber: 9mm Luger Action: Blowback Barrel Length: 6.9" Overall Length: 17" Magazine Capacity: 27+1 Rounds Barrel Twist: 1:10" Finish: Black Matte Polymer