Brownell's WOLFF SIG Mainspring Kit

Brownell's Wolff SIG Mainspring Reduces Trigger Pull, Improves Accuracy.

Three, reduced power springs for tuning and smoothing felt trigger pull.

Fits: the newer P220, P226 and P229's that use a short mainspring with a plastic, hammer spring base insert.

Contains: 1 each of 17, 18, and 19 lb., reduced power, mainsprings. P220 factory spring is 22 lb. P226 and P229 factory spring is 24 lb.