I ask because i throw them at 955fps and they have not good BC ! With a spring gun I see the drop comparing with 8.4gr in 920-940fps . And only in real calm wind and weight group well in 70-80-90. They are going everywhere when there is even slightly wind . I think i have to detune the gun with hope of better BC and shoot some 9.5gr Loguns to check and them. Airgun god i have see what you mean with dots. Guidodg i remember your group because the HW100 in .177 and 10.3gr was my central plan but i have not gone to pcp world yet ! What about BC ? Thanks both.