Quote:
Originally Posted by Skunkhome
There is no provision on the rear of the receiver to receive the extension. The mp15-22 carbine receiver is a one piece unit. Tube is not removable or replaceable without serious modification. I think perhaps that the upper receiver may be interchangeable between the carbine and pistol creating a SBR, regardless of the legality
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Thank you Skunk thats what I was wondering. So I just need to find a 15-22 rifle stripped lower!