--- title: "KAK Industry Gold Low Mass AR-15 BCG" description: "Low-mass AR-15 BCG for 5.56 NATO and .300 BLK builds, featuring a satin gold anodized aluminum carrier, NP3 C158 dual ejector bolt, and NP3 cam pin." canonical_url: "https://www.kygunco.com/product/kak-industries-k-spec-enhanced-low-mass-bcg-ar-15-5.56-300-blk" meta: author: KYGUNCO "og:description": "Low-mass AR-15 BCG for 5.56 NATO and .300 BLK builds, featuring a satin gold anodized aluminum carrier, NP3 C158 dual ejector bolt, and NP3 cam pin." "og:image": "https://cdn.kygunco.com/assets/products/283612/thumbnail.jpg?v=1743080207" "og:image:height": "500" "og:image:width": "500" "og:title": "KAK Industry Gold Low Mass AR-15 BCG" --- > 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) / [Bolt Carrier Group](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/bolt-carrier-group) / KKN-425-0510-002 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/283612/main.jpg?v=1743080207) For illustration purposes only, this image may not be an exact representation of the product. # KAK INDUSTRY K-SPEC Enhanced Low Mass BCG AR-15 5.56/300 Blk The KAK Industry K-SPEC Enhanced Low Mass BCG is an AR-15 bolt carrier group for 5.56 NATO and .300 BLK builds with appropriately tuned gas and buffer systems. It features a satin gold anodized aluminum carrier, a C158 NP3 dual ejector bolt, and an NP3 cam pin. The BCG is intended as a consumable component rather than for hard use. $247.49 ** 5 interest-free payments of **$49.50** 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 Selling fast. Limited quantities available. Item # 283612 Style KKN-425-0510-002 UPC 811163036061 Condition New Manufacturer [KAK Industry](https://www.kygunco.com/brand/kak-industry) Weight 1 lb This BCG is designed as a consumable part, ideal for AR builds with finely tuned gas and buffer systems to extend its lifespan. It is recommended for use with mid length, rifle length or similar gas systems for optimal performance. The aluminum carrier features a satin gold anodize finish, matching the Mil-Spec buffer anodize color, while the C158 NP3 dual ejector bolt and NP3 cam pin ensure smooth and reliable operation. Though not intended for hard use, this BCG delivers efficient performance when used in appropriately configured systems. ** 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 KAK Industry ```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/kak-industries-k-spec-enhanced-low-mass-bcg-ar-15-5.56-300-blk#webpage","@type":"WebPage","description":"Low-mass AR-15 BCG for 5.56 NATO and .300 BLK builds, featuring a satin gold anodized aluminum carrier, NP3 C158 dual ejector bolt, and NP3 cam pin.","name":"KAK Industry Gold Low Mass AR-15 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