Radical Firearms 10.5" 5.56 NATO 1:7 Carbine Length M4 Barreled Upper - 10" M-LOK FCR Gen3 Rail

The Radical Firearms 10.5" 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.

NOTE: This upper receiver has a barrel that is less than 16” in length and is intended for use in AR pistol or legal short-barreled rifle builds. Other configurations may violate Federal law.


Does not include bolt carrier group or charging handle.

Features:

• 10.5" 41V50 chrome moly vanadium steel M4 contour barrel
• Chambered in 5.56 NATO with a 1:7 twist rate
• 1/2x28 A2 flash hider
• 10" Radical Firearms M-LOK FCR rail
• Gen 3 rail mounting system
• Made in the U.S.A. in Stafford, Texas!