Killer Innovations Velocity Glock 17 Magazine Extension Black VAMEXG17BLK. These Magazine Extensions from Killer Innovations add an extra 5 rounds of 9mm or 4 rounds of .40 to your Glock mags. Killer Innovations Magazine Extensions were designed...
Killer Innovations Velocity Glock 17 Magazine Extension Black VAMEXG17BLK. These Magazine Extensions from Killer Innovations add an extra 5 rounds of 9mm or 4 rounds of .40 to your Glock mags. Killer Innovations Magazine Extensions were designed...