I am curious about the proper method to hold the upper in a vise while torquing on a muzzle device. I understand that the best way is to clamp the barrel as close to the muzzle as possible using barrel vise blocks, rather than clamping the upper receiver in an upper receiver vise block, because this can potentiality damage the receiver. However, what about situations with longer handguards/rails that extend too far towards the muzzle to allow for the use of barrel blocks? Surely the rail doesn't need to be removed to install and torque the muzzle device, right? I'm specifically referring to devices where the manufacturer recommends 25-30 ft-lbs of torque.
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