The Radical Firearms RPR Carbine in .223 Remington/5.56 NATO (MPN FR16-5.56SOC-15RPR-CAR) is a semi-automatic AR-15 pattern rifle built on forged mil-spec upper and lower receivers with an M4 feed ramp and a forward assist with dust cover. Radical Firearms pairs a 16-inch barrel with a 1:7-inch twist, a low-profile micro gas block, and a mil-spec A2 flash hider, all wrapped in a 15-inch RPR M-LOK handguard with a top Picatinny rail. The rifle feeds from a 30-round detachable magazine, ships with a CAR-adjustable stock, and carries no factory sights, leaving the top rail open for an optic. Among AR-platform rifles in the AR rifles category, the RPR Carbine favors shooters who want a fully mil-spec-built 5.56 AR-15.

Key Specifications

• Chambered in .223 Remington/5.56 NATO.
• Rifled at a 1:7-inch rate of twist.
• Features a 16-inch barrel.
• Built on forged mil-spec upper and lower receivers.
• Includes an M4 feed ramp and forward assist with dust cover.
• Includes a low-profile micro gas block and mil-spec A2 flash hider.
• Wrapped in a 15-inch RPR M-LOK handguard with a top Picatinny rail.
• Feeds from a 30-round detachable magazine.
• Fitted with a CAR-adjustable stock.
• Weighs approximately 6.8 pounds.

Frequently Asked Questions

Does this rifle come with sights? No, it ships without sights, leaving the top Picatinny rail open for an optic.

Is the stock adjustable? Yes, a CAR-pattern adjustable stock ships standard.

What are the upper and lower receivers made of? Forged mil-spec aluminum, with an M4 feed ramp and forward assist.

Buy the Radical Firearms RPR Carbine 5.56mm

A fully mil-spec-built 5.56 AR-15 is exactly what the RPR Carbine delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.