Scattergun Technologies Shotgun Magazine Extension with Vertical Sling Mount for Remington 870, 1100, 11-87 12 Gauge 1-Round

Selected for use by the US Secret Service and the US Border Patrol, these extensions add capacity to your tactical shotgun and provide a convenient sling mount. Each unit is shipped ready to install with an extra-power magazine spring and high-visibility follower. For Remington 870, 1100 and 11-87. Parkerized steel.Notes: Later model Remington 870, 1100, and 1187 shotguns utilize a plastic follower spring retainer and magazine cap retainer held in place by two tabs or indents in the magazine tub