But, if they count that as a stock, the barrel is highly illegal...
Also, I believe this is one of the most tactical upgrades you can add to this type of firearm!!!! After all... If either end is pointed at you, chances are you're gonna get Raped...
Ask questions first; Distance? Windage? Elevation?
""...when you capture spoils from the enemy, they must be used as rewards, so that all your men may have a keen desire to fight, each on his own account""
- Sun Tzu
"A petty thief is put in jail. A great brigand becomes a ruler of a State."
- Zhuang Zi