The Radical Firearms 20" 6.5 Grendel 1:9 twist barreled upper receiver is a flat-top, law-enforcement grade, drop in, and ready to be mounted to any Mil-Spec AR-15 lower receiver. Being fully mil-spec compliant, it is a natural choice for every shooter looking for a high-quality AR-15 upper.
The upper comes assembled and complete and includes features like a forward assist, shell deflector, ejection port door and barrel nut. Radical Firearms even included one of their high-quality bolt carrier groups and charging handles with the upper. The 20" stainless steel barrel is covered by a 15" Radical Firearms hybrid KeyMod handguard and finished off with a Pepper Pot muzzle brake.
Features and Specifications:
Radical Firearms CFU20-6.5-SS-MED-15FHR
20" Stainless Steel Match Grade Barrel with Stainless Finish
1:9 twist rate
Mil-spec Bolt Carrier Group
M4 feed ramps
Radical low profile micro gas block
Pepper Pot muzzle brake
15" Radical Firearms hybrid Key-Mod free float handguard
Forged flat top upper receiver with forward assist, shell deflector, and ejection port door
Made in Houston, Texas U.S.A.!