Reduced Power Mainsprings. Tune Your Trigger Pull with Ease. The first step in tuning a 1911 trigger pull is to reduce mainspring pressure. It gives you a much cleaner feeling trigger break and the lighter mainspring will not wear a hammer and sear as fast. High quality springs insure reliable ignition. A must to achieve a lower weight trigger job.
Article number: DP-MainSP-15
Dimensions: 7 x 5 x 2