Wilson Combat Spring and Follower Kit, Standard Tube, 12 Gauge, SGSFK-ST

Extra-Power Magazine Spring for Improved ReliabilityHigh-Visibility Follower for Improved Feeding and Visual Reference of Empty Magazine TubeFor Use with Standard Magazine Tube and 1 Shot Extension TubeFits Remington M870 ; 1100 ; 1187 - 12 Gauge;