DMW Extension tubes Include a collar, black follower and spring.. Size denotes capacity of magazine after installation. Nut and tube made from steel. Cap is made of aluminum that is red anodized. Cap slips into tube, which is rolled at the muzzle end, and keeps spring in place.
Available in three lengths. 8-rd (10-1/2″ OAL), 9-rd (12-1/4″ OAL), and 10-rd (14-3/4″ OAL) extensions. Each tube includes a collar, a black follower and a spring.
Proudly Made in the USA by Dave’s Metal Works