BudsGunShop.com - Complete lower assembly??

David, yes Sir. All's you need is a complete upper, a topped off magazine or drum and you are ready to Rock-N-Roll. Cheers and stay safe!

Franklin Armory 2039: Franklin Armory firearms are proudly made in America with 100% American-made parts and materials. This particular AR-15 pistol lower receiver features their phenomenal Binary Firing System III trigger. Also included is an SB Tactical SBM4 pistol arm brace installed. This fantastic lower receive comes in an attractive Type III hard coat anodized black finish. Includes one 30-round ASC steel Magazine.
---------
Full details here
classicfirearms.com/franklin-armory-2039-bfsiii-equipped-straight-trigger-complete-ar-pistol-lower-w-sbm4-brace/

This is indeed a complete assembled pistol lower, comes with everything you need, in a lower ( full LPK, mag release l, safety selector, bonary, trigger, pistol brace, buffer tube assembly) just toss a complete upper ( including CH, BCG, barrel, and forgrip) and your ready to go.