TSS Mylar?

So my buddy and I are all set up to load our TSS for the first time this morning and we realized that he got 12ga Mylar and not 20 guage. Can we still use it? Do we need to trim it and how much?

Yes, you will just have to trim it all by about 1/8” or so. I use 162 when I have it and then most of the time.

Yea just trim it a bit

217 in the 10” at 40 yds. I’d say we’re good to go!

What gun and load?

Remington 1187 compact, IC .555, 1 5/8oz. I don’t think that was an accurate count though. Buddy used a plate and it ended up only being an 8” circle and the pattern wasn’t centered good

Shoot at a poster board then count the 10 and 20 from the center of your pattern. Draw the circles after you shoot.