Other than compactness for vehicle operations, a 20" AR is superior in every aspect.
>Longer parts life>Smoother recoil>Cleaner bolt>Cooler bolt>Higher velocity>Lower cost over time>>63551351Depends on what round. Lake City M193? That's closer to 200 fps difference.
>>63551761>1:2Bullet spins so fast that it travels back in time and hits the target's grandpa.
>>63552519I'm 5'10" and have no problem handling my M16S1-ish clone. With an A1/collapsible stock, it's not that long.
>>63552657>While we're at it the gas tube was never designed to burst before the barrel. Nobody wasted time thinking about that.Agreed. For 20" ARs, the barrel always fails first during full auto torture tests. For shorter barrels, the gas tube always fails first.