Question on Huma dual port and pellet probe on 25 cal FX Impact MK II. I installed both tested before install shooting JSB Heavies MKII speed was 905 avg for 10 shots 2 fps spread.
After installation same settings it 875 fps with 2 fps spread, question why the slow down Iam puzzled anybody else have this happen.
After installation same settings it 875 fps with 2 fps spread, question why the slow down Iam puzzled anybody else have this happen.