I had one on my home defense gun and hated it. I recommend staying with the factory stock.
You cannot purchase a pistol grip for Hatsan/Escort shotguns. It is illegal to sell/buy pistol grips for any shotgun mfg. outside of the United States.
Yes
chuck Norris
A pistol grip shotgun, according to the ATF, is rulled as "any other firearm" and the buyer must be 21 or older to purchse..
No
The first known pistol grip shotgun is called a backpacker shotgun, with a shorter barrel, and shorter overall length. This is a very popular version of the shotgun, mostly purchased for home defense.
20 and up
100-400 or so
Never?
About $285 at Gunsatcost.com
Unlikely
Gun shop, gun show.