As an aside, I've been shooting the Wal Mart Feds for years now, and have patterned them extensively on paper. I haven't seen any significant improvement when I switch to AAs on paper. They're a little stiff for light guns, but I wouldn't trade them for anything with my SX-1.

Also, Academy in north Texas has some 3 1/4 drm 1oz of the same "model". They seem to shoot very well too, and are very clean like the ones above.