I found this on the web a few months ago...I hope it can help you.
AR-15 SBR Overall Lengths
From Colt’s website:
10.5" barrel = 29.00” Extended (28.9”)
11.5" barrel = 30.00” Extended
14.5" barrel = 33.00" Extended
16.0" barrel = 34.60” & 35.00” <----??? (not sure why the Gov't model...
Filed mine on 3/29 got the email stating it was submitted and called to check on it 2 days and they said the eform system did not capture some of the info I entered (trust name) even though they see that it was attached. Couple hours later I received the disapproved email. :mad: They said they...
Form: 1
Weapon type: SBR
Trust: Yes
Efiled: 29 March 2014 - system went down and it was rejected. Mailed my paper forms 11 June
Pending:
Received: Stamp came in today 8/6. :rockon:
Let's see what's next. :cool: