Ive tried thunderbolts in 10gr and 13 gr in a HW100 kt .22.they are very hard you could all most use them again. The 10 gr are for spring guns and 13gr are for PCP.
Shot 4 rabbits with 13 gr and they went down straight away , had a look and pellets went straight through there head at approx 30 yards .Did a bit more testing and there was to many flyer's
Hi
The ultra is a fantastic gun fo the money ,then have it regged its even better .If you want to pay a bit more have the scorpion then have that one regged to
Let us know how you get on with these pellets. Like i said they are the best ones through my kt pellet on pellet running at about 630 fps 11.8 ft lb and i have tried nearly ever pellet going.
RSW supper fields are very good as well 15.9 gr
ultra fire with red led of eBay . If you go on eBay then sporting goods, hunting , night vision . I had mine of golf 94 i think for about £30 includes mount, touch, pressure switch and batteries