This Lower Receiver looks mighty impressive! It's machined from a solid billet - or "chunk" - of aluminum, rather than starting out from a "forging" ... the typical, mass-produced "raw" forgings usec for *genuine* Department of Defense, MIL-spec hardware wouldn't have the right physical...
I think we need to be pretty clear - and FAIR! - about the issue(s) of a person going "sinister lefty"! :) As far as a high-cyclic semi-automatic rifle anyway!!!
From birth, I've been sight-impaired in my right eye - and other than kicking a soccer ball (or pointy football) left-footed, I'm...
The Stag Arms "ambi" barrel extension - alone - won't be of any use in a "build" ....... without a barrel attached to it. Have never, EVER heard of even the most skilled gunsmith in the Milky Way removing one B.E. and re-attaching another one - and having the locating pin align back in place...