William A Harland
32 Cal
- Joined
- Nov 5, 2018
- Messages
- 45
- Reaction score
- 13
I have a layman GPR 54 caliber 160 twists ther fist model that came out, can I use the Federal Premium B.O.R. Lock MZ 50 caliber 270-grain Trophy copper bullet and get good performance out of them?