Originally Posted by PoFF
Actually, the primer alone ain't sufficient to push out the whole lot (BBs + wad) out of the barrel. (20" Rem 870 in my case) You'll require at least 1.5 grain of quick powder ( I"ve been using Titegroup), to obtain approximately 300-320 FPS. Very inconsistent results too.
Since the combustion of the powder created very low pressures (compared to a real load), the combustion is incomplete and extremely dirty. The Shotgun fouls up really quickly.
Been there, tried it : bad idea.
I added it as a tongue in cheek joke. I wasn't serious. :P