Kinda new to AR-15's

UUK is not "merely an upper", it's a kit, complete with everything except the actual lower receiver and sights/optic - for $792 unassembled or they'll build the upper for $99 for a total of $891. A monkey of average intelligence can put together a lower, especially something like an Aero M4E1 with the threaded bolt catch pin, integral trigger guard and threaded takedown detent hole. The only tools needed are a castle nut wrench, brass punches (good to have for maintenance anyway), a center punch for staking the castle nut, a set of hex keys, and MAYBE a small vise and vise block. Hell, I assembled one last month on a dining room table (minus staking) with nothing but a set of hex keys, castle nut wrench, and a towel. It's a STUPIDLY good deal.

/r/ar15 Thread Parent