Originally Posted by shotgunred
Keavy barrels are more accurate and last longer. the dissipate heat better. If it really bothers you lift weights once in a while or just practice holding you gun on target for periods of time.
The DPMS Panther classic weights 9lbs empty. With a lighter shorter barrel I could knock that down to around 7lbs or so. I use to power lift so I don't think I need to lift weights "once in a while".