Black powder- Cash and carry. No ID required. Get one brand new mailed to you. Pistol Howda pistol Shotgun Smoothbore Rifle Shtf? Shove anything that fits down the barrel with a wad between the powder and whatever you put in it will come out. Correct measurements should yield decent results at short ranges. Keep your power dry. Stored properly, B P should last indefinitely. Can also be reloaded in modern brass. But most semi autos won't cycle properly. Stick to revolvers for reloading with B P.