Geissele 11.5-inch Super Duty DDC Carbine on an LMT MARS-L with KAC NT4

Built around a Geissele blemish-sale 11.5-inch Super Duty upper in Desert Dirt Color with its 10.5-inch MK16 rail, mounted on a factory FDE LMT MARS-L ambidextrous lower. It runs a BCM bolt carrier group, a Centurion Arms AST two-stage trigger and a Geissele Super 42 spring with an H3 buffer. An all-black EOTech EXPS3-0 and a KAC NT4 suppressor contrast with the tan furniture.