The BP50 is Call of Duty: Modern Warfare 3‘s newest weapon‚ and this bullpup assault rifle is one of the best long-range options in the entire game. It boasts exceptional accuracy and stability‚ and with the right attachments‚ it’s basically a laser beam. Best BP50 Build in Modern Warfare 3 Screenshot: PC Invasion Since the BP50’s strengths lie in its accuracy and fire rate‚ this build capitalizes on that and transforms the weapon into one of the fastest-firing long-range weapons in Modern Warfare 3 without sacrificing any stability or recoil control. Optic: Corio Eagleseye 2.5x Underbarrel: Kimura RYN-03 Vertical Grip Stock: Moat-40 Stock Comb: Reliant-IX Comb Rear Grip: Trst-IV Grip Tape With the Moat-40 Stock‚ the BP50 gains a boost to gun kick control plus a slight increase to ADS speed at the cost of some movement speed. The Reliant-IX Comb balances this out with a large increase to sprint-to-fire speed and another small boost to ADS ...