Reality - about $20.
But for good friend, good kid, saving for college or tech school - I’d bump it up for him if I could afford to.
Also depends on the lower - a fixed stock is usually less work and tools than a collapsible with castle nut to tighten and stake.
It’s not just about assembling - it’s about using the right punches and alignment tools as well - maybe buy him some tools in lieu of payment.
Last edited by AH64guy; 05/19/22.