I've made snap caps by putting an eraser from a pencil in the primer hole, just have to wittle eraser down some depending on caliber of course, a little super glue and an old pencil will get you in business. Although the hot glue idea sounds easier.
Wonder how RTV sealant would work...
Only once, then you send them to me for disposal.
No, but I'll wave the disposal fees for my OSA brethren.
Enter your email address to join: