its not an AR15 variant...so its non-restricted
just like the AR-180B i use on yotes....front and center in this pic:
and the CZ858, Tavor, Sl8...just to name a few more
nice rig John...cant beat an ar style semi for callin yotes IMO....i know mine isnt an XCR...but along the same lines...hope you dont mind me throwin a pic up