Lancer shotgun extension tube rem.870/1100/versamax plus7

FEATURES
-Designed to attach to existing shotgun magazine tubes to provide added capacity to the shotgun
-Machined aluminum components combined with a lightweight carbon-fiber tube
-Creates a lightweight, durable extension to your shotgun
-An extra-long spring is included that can be cut to optimize loading
-Extension clamps are recommended for extension tubes that extend beyond the end of the barrel
-The LSX-7X adds seven rounds to magazine's capacity

Other Features: Extra long spring included that needs cut to length, plus 7 rounds, length 17.7" some rem.Shotguns require minor modification of the shotguns magazine tube, two indents/tabs must be removed for proper operation