[TNK]

That is an awesome idea. The thing is, in order for me to put my short handguard/silencer onto the reciever, I'm going to need to take the space of the delta ring, and use the threads on the upper reciever. By using those threads, I can't attach a chamber block on and thus I can't put an outer barrel on there. I guess i could just somehow attach the part of the outer barrel with the front sights ONTO the handguard/silencer. and just have the inner barrel free floating inside the handguard/silencer without an outer barrel piece there.