While I've often heard (and even tried) a toilet-paper/plain-paper "dot" over the flashhole in BP cartridges,
never have I heard of anything mores extensive than that... nor of its use in smokeless rounds.
Anyone ever heard of this?
http://forums.accuratereloading.com/eve/forums/a/tpc/f/9421043/m/9481094362
incidentally....
https://www.rockymountaincartridge.com/products.htm
never have I heard of anything mores extensive than that... nor of its use in smokeless rounds.
Anyone ever heard of this?
http://forums.accuratereloading.com/eve/forums/a/tpc/f/9421043/m/9481094362
incidentally....
https://www.rockymountaincartridge.com/products.htm