It is a known bug that using the ammo option and doing a melee kill will sometimes result in a crash during looting. You can send your savegame to mike@cheathappens.com.
For me, No Reload causes the CTD when looting a melee item after a non-melee kill. Savegame sent.
[Edited by DGMan, 12/14/2015 2:38:51 PM]