If it's any help I'm running 43.5grn 2206h and a 150 speer btsp out of an adi case in a 16inch barrel to get 2650fps tested in .5 upto 45grns and gained bugger all. Same case and powder but a sierra...
Type: Posts; User: country cuts
If it's any help I'm running 43.5grn 2206h and a 150 speer btsp out of an adi case in a 16inch barrel to get 2650fps tested in .5 upto 45grns and gained bugger all. Same case and powder but a sierra...