Shop › LUTH AR 24" BULL BBL COMP UPPER 223 LUTH AR 24" BULL BBL COMP UPPER 223 $484.05 sold out Luth-AR 24" Bull Barrel Complete Upper Assembly, 223 Remington, Black Finish, 15" Palm Handguard Keymod, Complete Barrel Assembly w/BCG, Fits AR-15 FTBL-B24 Sold Out Added! Luth-AR 24" Bull Barrel Complete Upper Assembly, 223 Remington, Black Finish, 15" Palm Handguard Keymod, Complete Barrel Assembly w/BCG, Fits AR-15 FTBL-B24