Armory Sponsor
Posted: 9/7/2011 4:48:07 PM EDT
| If you SBR an ar lower you have and on the form 1 you use .223 or 5.56 for the caliber, after you get the paper work back is it legal to swap uppers/calibers on that SBR registered lower? like going from a 5.56 upper(what it is on the form 1 as) to a .22lr upper. |
Armory Sponsor