I usually go for these when feeling frisky. Way better fit than any Trojan or bathroom wall dispenser.Oh, that rubber cover. Based on the thread title, I had a completely different answer. Glad I read a little further.
Are these what you seek ?
View attachment 369420
The rubber ones are available directly from holosun
View attachment 369439Rubber Cover -Holosun
holosun.com
yup...ebay for sureEbay has them.