The Radical Firearms FP10.5-5.56M4-10RPR is a complete AR 15 chambered in 5.56mm NATO. This is a fully Mil-Spec AR-15 pistol with precision machined upper and lower receivers. It starts with a 4140V Chromoly Vanadium Steel M4 Barrel that is Melonite treated for a harder-than chrome finish! The Mil-Spec M-16 BCG is high pressure tested, magnetic particle inspected and melonite finished to ensure flawless performance in the field. It features a free float Radical Firearms 10″ RPR (Radical Parallelogram Rail) that is M-LOK compatible and has a full length picatinny top rail.
– CALIBER .223 REM/5.56MM NATO
– MAGAZINE (1) with 30rd capacity
– BARREL 10.5″ 4140V CMV, M4 Profile Barrel, Threaded 1/2×28 TPI, A2 Flash Hider, 1:7″ Twist with Black Melonite Finish
– RECEIVERS Forged 7075 T6, Type III Anodizing, M4 MIL-STD
– HANDGUARD 10″ Radical Firearms Free Float RPR M-LOK
– BRACE Pistol Tube
This RADICAL FIREARMS RF AR-15 PISTOL 5.56 Handguns Semi Auto is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
No matter your location, we ship to all 50 states. Looking for where to buy firearm near you? FRT-15.com brings the best selection to your door, legally and securely.
Shipping & Return Policy
📦 Fast shipping within 1–3 business days
🔁 30-day return policy for unused, unmodified items
