Radical Firearms RF-15 .300 AAC Blackout AR Pistol, 8.5 inch Barrel, RPR M-LOK Handguard, A2 Flash Hider, Magpul BTR Brace - Black
This Radical Firearms RF-15 is an AR-15 pattern pistol chambered in .300 AAC Blackout with an 8.5 inch threaded barrel and the company’s RPR free-float M-LOK handguard. It features hard-coat anodized aluminum receivers, a continuous Picatinny top rail, and an adjustable Magpul BTR stabilizing brace. Attached is a pistol brace, not a stock. This firearm is legally a handgun.
Condition
Overall Condition: As-new condition with no signs of prior handling beyond what's typical from inspection (see photos).
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The pistol appears almost unused with only very mild handling wear.
What’s Included
- Radical Firearms RF-15 .300 AAC Blackout AR pistol
- 1x 30-round STANAG-pattern metal magazine
- Radical Firearms factory cardboard box
- Radical Firearms instruction/safety manual
The RF-15 uses a semi-automatic direct impingement system and a steel 8.5 inch barrel with a threaded muzzle capped by an A2-style flash hider. The configuration is purpose-built for the .300 AAC Blackout cartridge in a compact AR pistol format.
The Radical Firearms 7 inch RPR free-float M-LOK handguard provides a rigid, lightweight front end with a continuous Picatinny top rail. The upper receiver includes a forward assist, shell deflector, and ejection-port cover. There are no sights installed from the factory.
The pistol is equipped with a carbine-length receiver extension and an adjustable Magpul BTR stabilizing brace with a rear QD sling socket. Furniture includes a textured polymer grip. Safety is via a manual selector.
The lower is marked MODEL: RF-15 and CALIBER: MULTI with the FR monogram on the magwell. It accepts standard STANAG magazines and has a 30+1 capacity. Receivers are aluminum with a hard-coat anodized black finish, and the firearm is made in the USA. MFG part number: FP8.5-300HBAR-7RPR-BTR.




