AR15 folded reciever

[coop44]

I have been looking at hk type rifles and how to fold a receiver from a flat, when something occurred to me. Why not a folded receiver using Ar15 parts? More of a mental exercise than a serious consideration, but the more I think on it the more it seems feasible. Press fit the barrel into a trunnion. A threaded bushing for the buffer tube. Still brainstorming this.

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