Are folding buttstock legal to use on pump action shotguns? Somehow common sense tells me that they are illegal in NY (based on knowing other NY gun laws lol) but I can't find any information that confirms that.
They should be legal on a pump shotgun under NYS law. The assault weapons ban section that applies to shotguns is for semi-autos only.
(b) a semiautomatic shotgun that has at least two of the following
(i) a folding or telescoping stock;
(ii) a pistol grip that protrudes conspicuously beneath the action of
(iii) a fixed magazine capacity in excess of five rounds;
(iv) an ability to accept a detachable magazine;