Employed by frontline infantry in a similar capacity as the EU SCAR 11, the Krylov FA-37 fires a comparable caseless armor-piercing round with considerably more recoil due to its lighter weight, hollow graphite stock. The PAC assault rifle is equally effective in winter environments, utilizing a built-in thermal dispenser. Appreciably damaging, but less accurate when fired fully automatic, the Krylov FA-37 is often operated in single-shot mode, precision enhanced via a fixed-position optical sight