Denny Crane
Member
MBC PPC#2 148 gr DEWC in .38 Sp cases and 2.8 grs Bullseye.
8" Python avg 740 FPS
8 3/8" S&W Mod 27-2 avg 725 FPS
4" Diamondback avg 730 FPS
6" Officers Model Special avg 690 FPS
Makes no sense to me.
What actually causes this? Throat/bore size?
8" Python avg 740 FPS
8 3/8" S&W Mod 27-2 avg 725 FPS
4" Diamondback avg 730 FPS
6" Officers Model Special avg 690 FPS
Makes no sense to me.
What actually causes this? Throat/bore size?