Gunsmith - M4A1

One objective

1. 01
   

   Modify an M4A1 to comply with the given specifications

   Colt M4A1 5.56x45 assault rifle

   How it has to end up

   Build it in the builder

   • Ergonomics ≥ 37
   • Recoil ≤ 300
   • Durability ≥ 60
   • Magazine ≥ 60
   • Effective distance ≥ 800 m
   • Weight ≤ 3.8 kg

   And one part of each of these kinds

   • Silencer

   Recoil is the sum of vertical and horizontal, which is how the quest measures it. The builder shows vertical only.