--- title: "CMMG AR-15 Lower Pin and Spring Kit" canonical_url: "https://www.kygunco.com/product/cmmg-55aff75-ar-15-lower-pin-and-spring-kit" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/121520/thumbnail.jpg?v=1710776654" "og:image:height": "500" "og:image:width": "500" "og:title": "CMMG AR-15 Lower Pin and 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) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Lower Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/lower-parts) / CMM-55AFF75 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/121520/main.jpg?v=1710776654) For illustration purposes only, this image may not be an exact representation of the product. # CMMG AR-15 Lower Pin and Spring Kit $10.47 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 Item # 121520 Style CMM-55AFF75 UPC 815835011974 Condition New Manufacturer [CMMG](https://www.kygunco.com/brand/cmmg) Weight 1 lb **CMMG AR15 PARTS KIT LOWER PINS & SPRINGS** •Contains the following: Trigger spring, hammer spring, (2) hammer trigger pins, (2) takedown springs, disconnector spring, safety selector detent, safety selector spring, bolt catch spring, bolt catch plunger, bolt catch coil pin, trigger coil pin, buffer retainer spring, buffer retainer & takedown detent ** 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 CMMG ```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/cmmg-55aff75-ar-15-lower-pin-and-spring-kit#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"CMMG AR-15 Lower Pin and Spring 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