Radical Firearms 20" .450 Bushmaster 1:14 Carbine Length HBAR Complete AR-15 Upper - 15" M-LOK MHR Gen3 Rail

The Radical Firearms 20”.450 Bushmaster HBAR Complete 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 and sights then head for the range!

Includes the Radical Firearms M-LOK Hybrid Rail System which offers a generous 1.8” inside diameter that easily accommodates most suppressors. Lightening cuts along the rail reduce weight and aid in rapid cooling while M-LOK mounting points and MIL-SPEC Picatinny continuous top and short bottom rails provide space for your favorite sights, optics, and accessories. Features anti-rotation tabs, non-rotating QD sling mounts, and a tough hard coat anodized finish. 

Features:
20" 41V50 chrome moly vanadium steel HBAR barrel
Chambered in .450 Bushmaster with a 1:14 twist rate
M16 cut bolt carrier group with Melonite finish
BCG high pressure tested and magnetic particle inspected
Standard charging handle
Custom Radical Firearms Panzer Brake
15" free float Radical Firearms M-LOK MHR rail
Gen 3 rail mounting system
Made in the U.S.A. in Stafford, Texas!

SPECIFICATIONS:
Barrel Length-20
Barrel Material-41V50 Chrome Moly Vanadium Steel
Brand-Radical Firearms
Caliber Gauge-.450 Bushmaster
Color-Black
Finish-Hardcoat Anodized
Gas System Length-Rifle
Gas System Type-Direct Impingement
Handguard-15 in Radical M-LOK MHR Rail
Muzzle Device-Radical Firearms Panzer Brake
Twist Rate-1:14