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 head and skirt diameter and that is what is counted on to make the SPI work.
Regarding Vettnut's problem, sometimes the laser cutter gets a little off on the upper dimension side since we are trying to accomodate so many pellets and the pellets fall through some of the holes but not all of them. If you are having a major problem let me know and I will send you another plate for your gauge. Out of thousands sold we have only had this happen 4 or 5 times. We want everyboy to be happy with their SPI and if you are having a problem we will fix it to your satisfaction, guaranteed!
Thanks,
Joe Peacock AirgunProducts.com
225 Cash Street
Jacksonville, Texas 75766
800-388-2001 ext. 106
11:43 AM
November 27, 2018