--- title: "Radical Firearms Black/Grey AR Rifle, 16\" 5.56" description: "Semi-automatic 5.56 NATO AR rifle with a 16\" Socom barrel, 15\" free-float M-Lok handguard, mid-length gas system, and 30rd magazine." canonical_url: "https://www.kygunco.com/product/radical-firearms-fr16-5.56soc-15rpr-gry-ar15-black-grey-5.56-16-15-rpr-m-lok-rail" meta: author: KYGUNCO "og:description": "Semi-automatic 5.56 NATO AR rifle with a 16\" Socom barrel, 15\" free-float M-Lok handguard, mid-length gas system, and 30rd magazine." "og:image": "https://cdn.kygunco.com/assets/products/233644/thumbnail.jpg?v=1751431946" "og:image:height": "500" "og:image:width": "500" "og:title": "Radical Firearms Black/Grey AR Rifle, 16\" 5.56" --- > 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) / [Rifles](https://www.kygunco.com/category/shooting/guns/rifles) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/rifles/semi-auto) / RDC-FR16-5.56SOC-15RPR-GRY ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/233644/main.jpg?v=1751431946) For illustration purposes only, this image may not be an exact representation of the product. # RADICAL FIREARMS RPR 5.56 NATO 16" 30rd AR15 Semi-Auto Rifle - Black / Grey The Radical Firearms RPR is a black and grey semi-automatic AR rifle chambered in 5.56 NATO. It features a 16" Socom-profile barrel, 15" free-float M-Lok handguard with grey accents, forged 7075-T6 receivers, a mid-length gas system, 6-position stock, and 30rd magazine. 5.0 ** ** ** ** ** [5 reviews](#reviews) $437.99 ** 5 interest-free payments of **$87.60** 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 Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 233644 Style RDC-FR16-5.56SOC-15RPR-GRY UPC 814034027342 Condition New Manufacturer [Radical Firearms](https://www.kygunco.com/brand/radical-firearms) Model RF-15 Hand Right Hand Finish Black Round Capacity 30 Caliber 5.56 NATO Action Semi-Auto Barrel Length 16 in The Radical Firearms 16" Socom 5.56mm AR rifle uses MIL-STD Upper and lower receivers along with 15" RPR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. Regardless if it's your first or fiftieth, a Radical Firearms AR rifle will not disappoint! Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ### SPECIFICATIONS - Barrel Length: 16" - Barrel Material: 4140 Chrome Moly Vanadium - Barrel Finish: Melonite - Barrel Profile: Socom - Barrel Thread Pitch: 1/2x28 - Chamber: 5.56mm - Twist Rate: 1:7 - Barrel Extension: M4 Feed Ramps - Gas System: Mid 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: Yes - Dust Cover: Yes - Handguard Type: Free Float - Handguard Style: M-Lok Thin Rail w/ Grey accents - Handguard Length: 15" - Charging Handle: MIL-STD - Lower Receiver: Forged 7075 T6 - Lower Receiver Finish: Type III Anodizing - Fire Control Group: Semi-Automatic MIL-STD - Buffer Tube: Carbine MIL-STD - Stock Adjustment: 6 Postion - Stock: Grey B5 BRAVO - Magazine: 5.56mm 30 Round ** 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). ## Frequently Bought Together 5.0 ** ** ** ** ** 5 reviews ** ** ** ** ** 5 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** Atterrius Louisville, KY Good price and good choice 5/23/2025 ** ** ** ** ** ** Brandon Culpeper, VA To be honest, the build quality is nice! I would strongly advise lubing the internals and the BCG, other than that it was flawless! This is a much better option for a budget build or a base build than any other rifle I've seen and used on the market. I caught this on sale for $400 but it feels like a $1000 dollar platform. You won't be disappointed! 3/12/2025 ** ** ** ** ** ** Thomas MAGNOLIA, TX First, this is a very sharp looking weapon for the price with several features that sets this apart from your standard AR platform. \* The rubber butt pad \* the rubber grip pads \* the full length pic rail and \* the check rest. Most of all it is made right here in Texas. Have only put about 50 rounds down the tube, but so far flawless operation. My only issue would be that the weapon came in dry as a bone with no lubercation what so ever. Upon cleaning it right out of the box, I could tell it had been fired. (good to know it was tested before shippment) Although this isn't a deal breaker, might be good to mention on the operational manual to lube it up before firing. Will write more after I get a couple thousand rounds down the tube. 8/12/2024 ** ** ** ** ** ** Adam Brooklyn Park, MN Love everything works great I couldn't be happier and I got it in just a few days 9/6/2023 ** ** ** ** ** ** Victor Bentonville, AR As advertised and shipped in a timely manner. 8/1/2023 ** ** ** ** ** ## 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-fr16-5.56soc-15rpr-gry-ar15-black-grey-5.56-16-15-rpr-m-lok-rail#webpage","@type":"WebPage","description":"Semi-automatic 5.56 NATO AR rifle with a 16\" Socom barrel, 15\" free-float M-Lok handguard, mid-length gas 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