--- title: "Radical Firearms 5.56 Complete Upper Assembly" description: "New Radical Firearms complete upper assembly with a 16\" 5.56mm SOCOM barrel, 15\" M-Lok free-float handguard, and included nitride BCG." canonical_url: "https://www.kygunco.com/product/radical-firearms-cfu16-5.56soc-15rpr-complete-upper-assembly-5.56-socom-16-15-rpr" meta: author: KYGUNCO "og:description": "New Radical Firearms complete upper assembly with a 16\" 5.56mm SOCOM barrel, 15\" M-Lok free-float handguard, and included nitride BCG." "og:image": "https://cdn.kygunco.com/assets/products/211926/thumbnail.jpg?v=1713454190" "og:image:height": "500" "og:image:width": "500" "og:title": "Radical Firearms 5.56 Complete Upper Assembly" --- > 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) / [Upper Receivers](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/upper-receivers) / RDC-RF00325 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/211926/main.jpg?v=1713454190) For illustration purposes only, this image may not be an exact representation of the product. # RADICAL FIREARMS Complete Upper Assembly 5.56 Socom 16" 15" RPR The Radical Firearms complete upper assembly features a 16" 5.56mm SOCOM-profile barrel, 15" RPR M-Lok free-float handguard, forged 7075-T6 M4 upper receiver, and medium-length gas system. It includes an A2 flash hider, .750 low-profile gas block, MIL-STD charging handle, and nitride-finished bolt carrier group, and is ready for installation on a MIL-STD lower receiver. $292.71 ** 5 interest-free payments of **$58.54** 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 Item # 211926 Style RDC-RF00325 UPC 816903025633 Condition New Manufacturer [Radical Firearms](https://www.kygunco.com/brand/radical-firearms) Finish Black Weight 2 lb Barrel Length 16 in ### Radical Firearms Complete Upper Assembly 5.56 Socom 16" 15" RPR The Radical Firearms 16" Socom profile 5.56mm is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15" RPR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered. **SPECIFICATIONS** - Barrel Length: 16" - Gas System: Medium Length - Barrel Profile: Socom Profile - Barrel Material: 4140 Chrome Moly Vanadium - Barrel Finish: Melonite - Muzzle Thread: 1/2x28 - Chamber: 5.56mm - Twist Rate: 1:7 - Barrel Extension: M4 Feed Ramp - Gas Block Type: .750 Low-profile Gas Block - Muzzle Device: A2 Flash Hider - Upper Receiver Material: Forged 7075 T6 - Upper Receiver Style: M4 MIL-STD - Upper Receiver Finish: Type III Anodizing - Forward Assist: Yes - Dust Cover: Yes - Handguard Type: Free Float - Handguard Style: M-Lok Thin Rail - Handguard Length: 15" - Charging Handle: MIL-STD - Bolt Carrier Group Included: Yes - BCG Finish: Nitride ** 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 Radical Firearms ```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/radical-firearms-cfu16-5.56soc-15rpr-complete-upper-assembly-5.56-socom-16-15-rpr#webpage","@type":"WebPage","description":"New Radical Firearms complete upper assembly with a 16\" 5.56mm SOCOM barrel, 15\" M-Lok free-float handguard, and included nitride BCG.","name":"Radical Firearms 5.56 Complete Upper 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