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Shop Radical Firearms AR15 Parts

Radical Firearms is an American manufacturer that produces a wide range of firearms and firearm accessories. The company’s products are known for quality and reliability as well as a lifetime warranty for as long as you own it. ESAD ARMS stocks Radical Firearms AR15 parts for upper assemblies and receivers, including buffer tube kits, barrels and more. Shop our selection of Radical Firearms AR15 parts and supplies today!

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Radical Firearms Stainless Steel Gas Tube - Carbine
Radical Firearms Stainless Steel Gas Tube - Carbine
Our Price: $9.00
In Stock

Radical Firearms Carbien Length Gas Tube (Stainless Steel).
16" Radical Firearms 5.56 w/ 12" FTR Keymod Rail
16" Radical Firearms 5.56 w/ 12" FTR Keymod Rail
Our Price: $229.00
(Out of Stock)

The Radical Firearms 16” 5.56 NATO M4 Barreled Upper Receiver is a law enforcement grade, drop-in solution for your next AR build. Crafted with quality materials and covered by Radical’s lifetime warranty, this MIL-SPEC upper receiver provides an outstanding solution for any budget. Finish the build with your favorite lower receiver, charging handle, bolt carrier group, and sights then head for the range!

Includes the Radical Firearms First-Gen Thin Rail System, an ultralight and slim free float handguard for the AR-15. Features large cooling holes, multiple sling attachment locations, and a suppressor friendly internal diameter. Reversed KeyMod slots allow for superior mounting strength compared to traditional KeyMod cuts.

Features:
  • 16" 41V50 chrome moly vanadium steel M4 contour barrel
  • Chambered in 5.56 NATO with 1:7 twist rate
  • 1/2x28 A2 flash hider
  • 12" free float Radical Firearms FTR rail
  • Made in the U.S.A. in Stafford, Texas!

NOTE: This barreled upper does not include a bolt carrier group or charging handle.
7.5" Radical Firearms 5.56 w/ 7" M-LOK FCR Rail
7.5" Radical Firearms 5.56 w/ 7" M-LOK FCR Rail
Our Price: $249.00
In Stock


NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.


Does not include bolt carrier group or charging handle.


The Radical Firearms 7.5" 5.56 NATO M4 Barreled Upper Receiver is a law enforcement grade, drop-in solution for your next AR build. Crafted with quality materials and covered by Radical’s lifetime warranty, this MIL-SPEC upper receiver provides an outstanding solution for any budget. Arrives at your door with the hard work done. Complete this build with your favorite lower receiver, bolt carrier group, charging handle, and sights, then head for the range!

The Radical Firearms FCR system is a slim handguard that provides the weight savings you want without sacrificing any of the mounting possibilities you require. This freefloat design offers a monolithic Picatinny rail and plenty of M-LOK attachment points for all your gear.

16" Radical Firearms .458 SOCOM Rifle
16" Radical Firearms .458 SOCOM Rifle
Our Price: $1,099.00
Sale Price: $769.00
Savings: $330.00
(Out of Stock)

Radical Firearms
Forged Milspec Rifle
Semi-automatic
458 Socom
16" Barrel
Black Finish.
MBA-2 Stock
Panzer Muzzle Brake
10RdbMagazine
Includes Rifle Case
20" Radical Firearms 6.5 Grendel MBA1
20" Radical Firearms 6.5 Grendel MBA1
Our Price: $999.00
Sale Price: $779.00
Savings: $220.00
(Out of Stock)

Radical Firearms, Forged Milspec Rifle, Semi-automatic, 6.5 Grendel, 20" Barrel, Black Finish, MBA-1 Stock, Pepper Pot Muzzle Brake, Includes Rifle Case, 10 Round Magazine