Free shipping over $999 · Rifles and pistols ship to the FFL dealer you chooseNew arrivals listed by date · independent storeFind your city · Shipping & FFL
Help & FAQ
Home / Shop / Rifles
Radical Firearms AR-15 MHR MHR Free-Float 5.56 NATO Rifle

The Radical Firearms AR-15 MHR is a 5.56 NATO semi-automatic rifle built around MIL-STD upper and lower receivers and a 15-inch MHR free-float rail system. Its 16-inch Melonite-finished barrel includes M4 feed ramps and a threaded muzzle, while the free-float handguard provides a stable platform for accessories without adding pressure to the barrel. B5 furniture gives the rifle a comfortable, consistent interface for both prone and upright shooting.

Key features

  • 16-inch Melonite-finished barrel offers corrosion resistance and a durable bore surface
  • 15-inch MHR free-float rail provides extensive accessory space while helping maintain barrel consistency
  • MIL-STD upper and lower receivers support broad AR-15 component compatibility
  • B5 Type 23 pistol grip and adjustable stock improve control and shooting comfort
  • M4 feed ramps promote reliable cartridge feeding
  • Threaded 1/2x28 muzzle supports compatible muzzle devices and suppressors

The Radical Firearms AR-15 MHR combines practical B5 furniture, a free-float rail, and a durable 16-inch barrel in a versatile 5.56 NATO rifle configuration.

Radical Firearms AR-15 MHR MHR Free-Float 5.56 NATO Rifle: quick facts

What caliber is the Radical Firearms AR-15 MHR MHR Free-Float 5.56 NATO Rifle?
It is chambered in 5.56 NATO.
How many rounds does it hold?
30+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 16 inches, overall length 32.5 inches, weight 6.8 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: Yes; threaded barrel: Yes.
What sights and finish does it have?
finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in United States?
Yes. It ships to a licensed FFL dealer in United States; you pick it up there after the background check. Rifles and shotguns ship to a licensed FFL dealer, and your state's rules on age, features and magazine capacity apply at pickup.
Is it in stock?
Yes, at $546.24. Orders leave within 1-2 business days; shipping is free over $999.

Similar rifles in stock

Shop all →