--- title: "Radical Firearms 5.56 AR Pistol 10.5\" 30rd" description: "Radical Firearms 5.56 NATO AR pistol with a 10.5\" Melonite M4-profile barrel, 1:7 twist, 10\" free-float M-Lok rail, and 30rd capacity." canonical_url: "https://www.kygunco.com/product/radical-firearms-fp10.5-5.56m4-10rpr-forged-ar-pistol-5.56-10.5-m4-10-rpr-b5" meta: author: KYGUNCO "og:description": "Radical Firearms 5.56 NATO AR pistol with a 10.5\" Melonite M4-profile barrel, 1:7 twist, 10\" free-float M-Lok rail, and 30rd capacity." "og:image": "https://cdn.kygunco.com/assets/products/211870/thumbnail.jpg?v=1723493035" "og:image:height": "500" "og:image:width": "500" "og:title": "Radical Firearms 5.56 AR Pistol 10.5\" 30rd" --- > 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) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Handguns](https://www.kygunco.com/category/shooting/guns/handguns) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/handguns/semi-auto) / RDC-RF00139 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/211870/main.jpg?v=1723493035) For illustration purposes only, this image may not be an exact representation of the product. # RADICAL FIREARMS RPR 5.56 NATO 10.5" 30rd - Black The Radical Firearms RPR is a black 5.56 NATO AR pistol with a 10.5" Melonite-finished M4-profile barrel, 1:7 twist, carbine-length gas system, and A2 flash hider. It features forged 7075-T6 receivers, a 10" free-float M-Lok thin rail, MIL-STD controls, and a 30rd capacity. 5.0 ** ** ** ** ** [2 reviews](#reviews) $402.49 ** 5 interest-free payments of **$80.50** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Fulfilled by a partner warehouse. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 211870 Style RDC-RF00139 UPC 816903022434 Condition New Manufacturer [Radical Firearms](https://www.kygunco.com/brand/radical-firearms) Model RPR Hand Right Hand Finish Black Round Capacity 30 Caliber 5.56 NATO, 223 Rem Action Semi-Auto Barrel Length 10.5 in The Radical Firearms 10.5" M4 Profile 5.56mm AR Pistol uses MIL-STD Upper and lower receivers along with our RPR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. Starting in 2019 we are excited to be adding the SB-Tactical SBA3 5 to our line of pistols. Regardless if it's your first or fiftieth, a Radical Firearms AR pistol will not disappoint! - Barrel Material: 4140 Chrome Moly Vanadium - Barrel Finish: Melonite - Barrel Profile: M4 - Barrel Thread Pitch: 1/2X28 - Twist Rate: 1:7 - Barrel Extension: M4 Feed Ramps - Gas System: Carbine Length - 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: MIL-STD - Dust Cover: MIL-STD - Handguard Type: Free Float - Handguard Style: M-Lok Thin Rail - Handguard Length: 10" - Charging Handle: MIL-STD - Lower Receiver: Forged 7075 T6 - Lower Receiver Finish: Type III Anodizing - Safety: MIL-STD - Fire Control Group: MIL-STD - Buffer Tube: Carbine Buffer Tube ** 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). 5.0 ** ** ** ** ** 2 reviews ** ** ** ** ** 2 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** Raymond Phoenix, AZ This is my 6th RF 15, one thing I notice is the upgraded anodizing and better lower to upper fitment. They just got better! 4 months ago ** ** ** ** ** ** Freddie J. Peyton, CO Great service as usual, fast reply when I have had questions. 8/25/2025 ** ** ** ** ** ## Don't Forget Your Ammo ```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-fp10.5-5.56m4-10rpr-forged-ar-pistol-5.56-10.5-m4-10-rpr-b5#webpage","@type":"WebPage","description":"Radical Firearms 5.56 NATO AR pistol with a 10.5\" Melonite M4-profile barrel, 1:7 twist, 10\" free-float M-Lok rail, and 30rd capacity.","name":"Radical Firearms 5.56 AR Pistol 10.5\" 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