Sig Sauer Locking Insert, P229, P229-1 $95.00 Locking Insert P229 40/357, P229-1 9/40/357. Sig Part: Locking-insert-4 In stock Sig Sauer Locking Insert, P229, P229-1 quantity Add to cart Category: Sig Sauer Related products Sig Sauer P220 / P226 Variable Recoil Spring 18lb. $14.97 Sig Sauer P220 / P226 Variable Recoil Spring 12lb. $14.97