Sparrow, about to add another rimfire can, was thinking about a mask, but the sparrow has given me zero issues with a pile of rds through it. FRP is pretty noticeable with it, so will likely try a mask.
350rds through it on my 22-45 today
[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]
Little under 20yds with American Eagle. Shoots a lot tighter with Norma Tac.

Last edited by jackmountain; 03/24/24.