The barrel length on these used to make them restricted but now they are listing them as having a 470.1mm barrel;
http://www.kel-tec-cnc.com/su16a.html
I know these aren't AR equivalents but the price is right and now that they have unrestricted barrels IMO they would make worthwhile truck guns...
http://www.kel-tec-cnc.com/su16a.html
I know these aren't AR equivalents but the price is right and now that they have unrestricted barrels IMO they would make worthwhile truck guns...




















































