I have used 10/12,28/12 and 20/12 and they all work great. I am astonished at the nice patterns even with the 28/12
HOWEVER, I HAVE FOUND THAT IN OLDER GUNS WITH SHORTER CHAMBERS THAT THE SHORT TYPE GAUGEMATES ARE VERY HARD TO REMOVE AS IT IS HARD TO CATCH THE LIP ON THE FRONT .

Last edited by Stallones; 08/15/12 01:20 PM.