Wilson Combat Spring And Follower Kit Extension Tube 12 Gauge
Features and Specifications:
Manufacturer Number: SGSFK-EX
Extra-Power Magazine Spring for Improved Reliability
High-Visibility Follower for Improved Feeding and Visual Reference of Empty Magazine Tube
Remington 12 Gauge M870, 1100, 1187, with Two-shot or Three-Shot Extension Tubes
Follower is not grooved to fit newer 870 magazine tubes.
The detent in the magazine tube may be filed down for follower fitting.