Following feedback from users, the army retrofitted their stock M107 rifles with various modifications to improve performance, such as accuracy and damage. Survivors in need of long range firepower will find it very useful.
An upgraded version of the M107 - Arctic, it can be used in much the same way. It has better range, damage and accuracy, which helps make its weaknesses less pronounced. Nonetheless, the presence of a minimum range as well as a slow rate of fire make it most useful as support for other survivors.