Check the listing for details. Apex Tactical 100-065 Competition Spring Kit for 9mm .40 .357 Smith & Wesson M&P. Color: Silver, Condition: New. Listed at 28.50 USD. Details This spring kit will will reduce the trigger pull in your M&P. But, we recommend using this kit only for competition. If combined with one of our full trigger kits we advise using the Heavy Sear Spring (purple) instead of the Competition Sear Spring. When installed properly, this drop-in kit will: – Reduce trigger pull weight – Direct drop-in replacement parts, not fitting required For Use In These Guns #100-061 - For use in the Smith & Wesson M&P pistol in .45ACP. #100-065 - For use in the Smith & Wesson M&P pistols in 9mm, .357SIG and .40S&W. Does Not Fit These Guns Not for use in the M&P M2.0 models. Does not function in the M&P Shield models. What's Included 1 ea. Competition Striker Spring 1 ea. Competition Sear Spring (1/8") 1 ea. Competition Trigger Return Spring 1 ea. Slave Pin MSP Sports is an authorized retailer for Apex Tactical products.This item is brand new and has never been used. Fast Shipping and 100% Satisfaction Guaranteed!Any item we sell can be returned for a full refund (for any reason).* WE NEVER CHARGE A RESTOCKING FEE *Backed by the MSP Sports Guarantee. If your item is lost or damaged in transit we will replace your item or refund you 100% including any shipping charges.