Radical Firearms RF-15 FP7.5 5.56 NATO 7.5″ 30+1

About this product

The Radical Firearms RF-15 FP7.5 is a compact AR-style pistol built around MIL-SPEC forged upper and lower receivers. Chambered for .223 Rem / 5.56 NATO, it pairs a short 7.5″ free-float RPR rail with a 1:7″ twist barrel to support a wide range of modern rifle powders and bullets. The platform includes a Magpul BTR pistol brace, a top Picatinny rail, and a 7″ M-LOK forward guard for accessory mounting and modularity.

Key Specifications

• Chambered in .223 Rem / 5.56 NATO for compatibility with common service cartridges.
• The barrel measures 7.5″ to keep overall length compact while maintaining ballistic performance.
• Magazine capacity is 30 + 1 rounds as listed in the product attributes.
• This is a semi-automatic action for familiar AR-style operation.
• The barrel twist is 1:7″, listed with 4150 chromoly construction and vanadium elements.
• The handguard is a 7″ free-float M-LOK RPR design with a top Picatinny rail for optics.
• Equipped with a Magpul BTR pistol brace for stabilized shouldering when permitted.
• Receivers are specified as forged MIL-SPEC upper and lower construction.
• Finish and color are listed as black anodized across the receiver and furniture.
• Weight is listed at 122 ounces in the product specification table.

Compact, configurable, and built on proven AR components, the RF-15 FP7.5 is suited for shooters seeking a short-barrel AR platform with room for optics and accessories. Its free-float M-LOK rail and forged receivers provide a stable foundation for range use and accessory fitment, while the Magpul BTR brace offers a practical stabilization option where allowed.

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