nevermind...
I should have checked before posting, they're all "MULTI" anyway so it's a non-issue.
Any issues submitting a form 1 using 300BLK if the lower is marked "5.56mm multi" ?
Any need to add 300CAL to the lower engraving?
I know Jim will say, "Just submit 5.56mm 7"" but I already have a few of those (7.5") and want to build a 9" 300.![]()