ATI Remington 870 7 Shot Mag Extension

The Remington 7 Shot Fluted Aluminum Magazine Expansion is used to expand your round capacity to 7 shots for Remington 870 12 GA Shotguns. It holds an additional 2 ea size 2 3/4" shotgun shells. It is constructed of military type III anodized, 6061 T6 aluminum making it virtually indestructible. It requires a minimum barrel length of 18.5". It does include the magazine spring.