Forum:What to use? Submachine gun

Hey guys i ran into another wall with two amazing guns for my level and cant pick what to use.

im a lvl 43 Hunter with 15 smg proficiency

1) KKA42 Combustion Hellfire - orange name - 74 damage - 87.2 accuracy - 6.9 fire rate - holds 28 rounds - X4 fire

2) T042 Malevolent stinger - Purple name - 110 damage - 90.2 accuracy - 13.4 fire rate - holds 31 rounds - +64% Recoil Reduction

any ideas?