** [[File:Parallar symbol.png|10px]]'''1250'''
Upon completing the requirements listed above, the engineer will offer a brand new LWMMG, one [[LWMMG ammo belt box|LWMMG ammo belt box]] , and one [[LWMMG ammo belt box|box of 100 LWMMG links]] in exchange. For this reason, this weapon is '''Rarity 7 (Unique)'''.
Please note that the Proving Grounds engineer is only available during the day shift (between 8 AM and 8 PM).