Make that Glock 17 GBB Pistol look more space-age with the Echo1 CNC SD17 Glock 17 Long Suppressor available at Airsoft Atlanta... "The CNC SD17 Glock 17 Long Suppressor is a very long airsoft barrel extension unit with quick detach functionality. Easy to mount on and off with the press of two buttons. Aluminum lightweight construction metal, CNC made, and very high quality.