Primer Wads

[jgh4445]

OK...So what is the purpose of the tissue paper at the bottom of the case or in the primer pocket? Obviously the end purpose is smaller groups I know. But what does it do? Note: Today I shot my 45-70 with the Lyman 457132. I used Swiss 1.5 and Swiss 2F. I tried 65 gr compressed .0200 and 70 grains with the same compression. Tried 5 each with one .030 Walters wad and 5 with two. Did not drop tube. Weighed all bullets and allowed 1 gr deviation. Thumb seated all of the rounds with no crimp. The 2F won out with both 65 and 70 gr. I had read of the paper in the case deal so I tried it with five of each load. The 65gr with paper in the primer pocket ( toilet paper) was a clear winner. The 70 gr load had tissue at the bottom of the case and it also produced smaller groups than the 5 that had no paper. Why? By the way, these groups were at 100 yds on to an 8 inch 100 yd orange target. Groups were in the 2-3 inch range without tissue and easily half that with tissue.