Adv Tech Rem870 12GA Mag Extension 8rd w/ Swivel St - 12 Gauge Caliber, 8 Rounds, Black, Aftermarket Origin

The Remington 8 Shot Fluted Aluminum Magazine Expansion is used to expand your round capacity to 8 shots for Remington 870 12 GA Shotguns. It holds an additional 3 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 20". It does include the magazine spring. It includes the Magazine Extension Swicvel Stud Cap.