If you keep your magazines loaded or use them daily, consider replacing the springs annually to preserve flawless magazine function. Refresh your heavily-used Wilson Combat Full-Size 8 round .45 ACP magazines with this convenient replacement spring and follower kit. Make sure you're always at peak performance! IncludesAnti-tilt followerHigh tensile spring for improved reliability Fits these 8 round Full-Size .45 ACP Wilson Combat magazines:47D47DE47DAB47DC47DCB47DOX47DOXB