No argument there but I get to shoot often and my days of 100 or more rounds of 22 in a single gun at a single session are behind me. Even in competition the most I usually fired in a days match was 90 rounds of 22 LR and I was using match ammo for that.In a long session with a pistol, the difference between shooting thunderbolt and Dynapoint (with which I have also had very good experience) is pronounced. With the former, after several hundred rounds the inside of the pistol looks as if you sprayed dirty engine oil in it, then through a handful of sand at it. With the latter, you get some accumulation of wax and a fine, gray residue, but you can't get through 500 rounds without the sandy accumulation that can adversely affect function.