Radical Firearms 6.5 Grendel Upper Receiver ~ Review

By John Crump

John Crump, test shoots the Radical Firearms 6.5 Grendel Upper Receiver in this AR rifle upper parts review.

U.S.A. –

Radical Firearms used keymod front rail. This rail was a billet free floating hybrid raid. It also had picatinny rails towards the front of the handguard. That is where I mounted my bipod. Overall the rail was very sturdy and high quality. They now offer M-Lok rails which seem to work better than the keymod rails according to military testing. Then again I am not taking this rifle into combat so the keymod rails are just fine with me.

The coolest part of the rifle is the muzzle brake. In all honesty when I unpacked the upper receiver I didn’t even realize that it had a separate muzzle brake.

It isn’t just me that thought this. Everyone I let look at the rifle doesn’t realize it has a brake until it is pointed out. What Radical Firearms did was add a custom stainless steel muzzle prepper pot brake that sits flush with the barrel. It is one of the coolest looking things …Read the Rest

Source:: AmmoLand