Here is what i get this morning testing the new toy hope this help someone, caliber is in .22. im not a good shooter and have a shaky hand , I'm sure many good shooter can get better groups.
i was using FX pocket chronograph and this are the numbers I got.
JSB Jumbo Monster 25.39 grains: speed 907-891 and 4.5 std dev in 14 shots
Range Master 18.13 grains: speed 1032-1021 and 4.0 std dev in 14 shots
JSB Exact Jumbo 15.89: speed 1081-1069 and 4.2 std dev in 14 shots
Howler Slugs 20.3 grains: speed 967-953 and 4.7 std dev in 7 shots
all this at 37 yards and the next 2 picts are the same groups.
and next is a group at 80 yards using the JSB Monster 25.39 grains
and this is what I got last Friday from AOA
i was using FX pocket chronograph and this are the numbers I got.
JSB Jumbo Monster 25.39 grains: speed 907-891 and 4.5 std dev in 14 shots
Range Master 18.13 grains: speed 1032-1021 and 4.0 std dev in 14 shots
JSB Exact Jumbo 15.89: speed 1081-1069 and 4.2 std dev in 14 shots
Howler Slugs 20.3 grains: speed 967-953 and 4.7 std dev in 7 shots
all this at 37 yards and the next 2 picts are the same groups.
and next is a group at 80 yards using the JSB Monster 25.39 grains
and this is what I got last Friday from AOA