Matt...
I don't know what the pressure is with that load but it's bound to be fairly high. For similar speed and less pressure, you can try 18 to 18.5 grs. H4227. Or, just drop down to 9.0 grs. Unique...it should still have you very close to 1000 fps (+ or -).
I don't know what the pressure is with that load but it's bound to be fairly high. For similar speed and less pressure, you can try 18 to 18.5 grs. H4227. Or, just drop down to 9.0 grs. Unique...it should still have you very close to 1000 fps (+ or -).
