--- title: "Apex Tactical SD 9/40 Spring Kit" description: "Spring kit for Smith & Wesson SD and SDVE pistols. Smooths trigger pull, improves reset, and reduces pull weight by about 2.0 lbs. from factory." canonical_url: "https://www.kygunco.com/product/apex-tactical-107-120-mp-sd-9-40-spring-kit" meta: author: KYGUNCO "og:description": "Spring kit for Smith & Wesson SD and SDVE pistols. Smooths trigger pull, improves reset, and reduces pull weight by about 2.0 lbs. from factory." "og:image": "https://cdn.kygunco.com/assets/products/19280/thumbnail.jpg?v=1713454610" "og:image:height": "500" "og:image:width": "500" "og:title": "Apex Tactical SD 9/40 Spring Kit" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Handgun Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/handgun-parts) / [Handgun Attachments](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/handgun-parts/handgun-attachments) / PXT-107-120 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/19280/main.jpg?v=1713454610) For illustration purposes only, this image may not be an exact representation of the product. # APEX TACTICAL M&P SD 9/40 Spring Kit Spring kit for Smith & Wesson SD and SDVE series semi-auto pistols, including SD9, SD40, SD9VE, and SD40VE. Designed for duty/carry use, it smooths trigger pull, improves reset, and reduces trigger pull weight by approximately 2.0 lbs. from factory. Can be used alone or with the Apex SD Polymer Action Enhancement Trigger. $21.38 ** 4 interest-free payments of **$5.34** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Almost gone. Order now before it sells out. Item # 19280 Style PXT-107-120 UPC 856008005390 Condition New Manufacturer [Apex Tactical](https://www.kygunco.com/brand/apex-tactical) Weight 3 lb ### [Apex SD Spring Kit](https://store.apextactical.com/WebDirect/Products/Details/191685) **What It Does** The Apex SD Spring Kit produces a smoother trigger pull and improved reset and is designed for Duty/Carry use. The kit works as a stand-alone or in conjunction with the Apex SD Polymer Action Enhancement Trigger. **Expected Results** – Reduces trigger pull weight by approximately 2.0 lbs. from factory – Smooths trigger pull – Improves reset **Applicable To What Gun(s)** Smith & Wesson SD & SDVE Series semi-auto pistols (SD9, SD40, SD9VE & SD40VE). Works in conjunction with the [Apex SD Polymer Action Enhancement Trigger](https://store.apextactical.com/WebDirect/Products/Details/191674). NOT for use in the Sigma Series pistols (see [Apex Sigma Spring Kit](https://store.apextactical.com/WebDirect/Products/Details/191681)). **In The Package** 1 ea. Apex Trigger Return Spring 1 ea. Apex Striker Block Spring 1 ea. Apex SD Striker Spring ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Apex Tactical ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/apex-tactical-107-120-mp-sd-9-40-spring-kit#webpage","@type":"WebPage","description":"Spring kit for Smith & Wesson SD and SDVE pistols. 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