Cooper 243AI Rifle, Montana Varminter, 390 rounds fired. Im pretty sure this is a 10 twist ..
Weatherby Mark V in 300 Wweatherby with factory weatherby stock. Rock creek 11.27tw SS 5R #..
300 Win Mag built by SPR, Surgeon 1086, jewell trigger, McMillan A5 Adjustable. Bartle..
Rock River upper and lower, fluted Rock Creek SS 5R cut rifled 8tw barrel, Geisselle trigger..