moonzapa
Member
I went to my friendly public range today to sight-in a newly built 22BR rifle. However, one of the loads for my 22BR left a small residue of "soot" from the case neck all the way down the sides of the cases. Haven't seen this before. I was shooting the Sierra 40 grain Blitzkings over 28.0 grains of Reloader 7, sparked by Federal Small Rifle "Match" primers. COL: 1.685" (bullet ogive). Got several 5-shot groups that were the size of a nickel at 50 yards. (The Sierra Reloading Manual suggested the use of Remington 7-1/2 primers. This was the only departure I made from the manual.
I inspected the fired cases and noted no high pressure signs; the bolt lifted easily and there were no marks on the cases.
The other load I used, 50 grain Sierra Blitzkings, shot very well using Benchmark powder and Federal Small Rifle Match primers. No soot issues at all. I'm thinking that I may want to use a slower burning powder that fills the case more.
Anyone experience this?
I inspected the fired cases and noted no high pressure signs; the bolt lifted easily and there were no marks on the cases.
The other load I used, 50 grain Sierra Blitzkings, shot very well using Benchmark powder and Federal Small Rifle Match primers. No soot issues at all. I'm thinking that I may want to use a slower burning powder that fills the case more.
Anyone experience this?