13.5": $1150 shipped to your FFL Price is Firm Sold 10.75": $1050 shipped to your FFL Price is FirmSold
I have two an American Defense Mfg (ADM) Builder kit available. One has a 13.5" MLOK Handguard and the other It has a 10.75" Handguard. Otherwise, the only difference is that the 13.5" has the ADM Enhanced Reliability Buffer (which can be purchased for $66 from ADM) and spring and the 10.75" does not.
Otherwise the only things necessary to complete the rifle/pistol are: