Bootleg inc MLOK handguard, upper receiver and adjustable bolt carrier (for suppressed use). Arisaka Defense MLOK fingerstop. Rainier Arms Ultramatch 2 barrel. Geissele tall mount for Aimpoint T1/2. KAC Flask, for when you get thirsty during the boog. Headhunterblades.com Kryptos Dagger. Magpul 40 rounder and varying party favors for good measure.