Get a Speedy Pellet Inspector in your caliber at www.airgunproducts.com. Having inspected well over 75,000 pellets I can guarantee you will find some with bent skirts, wrinkled heads or lead flash in the rear cavity in every tin of JSB's.
Chachoze is right, the size of the holes in the SPI was kind of a compromize but it will accomodate 95% of all of the pellets in the Straight Shooters sample packs and a lot more pellets that we have tested. The problem with the match type pellets is that there is VERY little difference in the...