the DoubleKross gets you the convenience of a 20-round mag while adhering to 10-round mag capacity limits

reduced-power spring

der Transport und die Anordnung von 10/22-Drehmagazinen bei Wettkämpfen kann jedoch eine Herausforderung sein

*NOTE: This compensator supports ONLY:

Green Springs Magazinfedern für Ruger Mark Serie (3er Pack) Topseller the DoubleKross gets you theAt a glance: Shot peened spring offers longer life than factory spring Reduces failure to feed issues Replaces old, broken mag springs Upgrade your Ruger MK series magazines with aftermarket Ruger magazine springs from TANDEMKROSS. Magazine springs wear and tear over time, reducing the performance of your magazines and resulting in failure to feed issues. Don't let an underperforming or missing spring derail a shooting sports competition or day at the