300 win mag vs 30 300 Win Mag Powder
I use IMR 4350 and IMR4831 with 165 grain Sierra's and Nosler BT's. They group around an inch to inch and a quarter with my 700. 300 Win Mag Load Development | The Pennsylvania Hunter! TESTED: Hodgdon Retumbo Magnum Powder What powder is Weatherby using? Best .300 Win Mag Rifles 2026 [Don't Buy Until You WATCH This!] ...