The M-LOK compatible SAINT rifles chambered in 5.56mm NATO feature slim M-LOK compatible handguards from Bravo Company, with an internal aluminum heat shield. The SAINT rifle in this configuration has an A2-style front sight and pinned gas block. Each M-LOK compatible SAINT model includes a low-profile, dual aperture flip-up rear sight with A 1/2 minute of angle windage adjustments.. Springfield SAINT includes the Accu-Tite tension system that eliminates movement between the upper and lower receivers, a Carpenter 158 bolt carrier group, shot-peened, HPT/MPI inspected bolt, Melonite finished CMV barrel inside and out, and nickel-boron coated trigger compone Mfg: Springfield Armory