Why use the Rival-9 in MW3?
Do you care about a superior fire rate at the expense of all else?
Then go with the Rival-9.

The trade-off is recoil control, aiming idle sway, and firing aim stability.
Did we mention that this loadout was built for moving and shooting fast?
Best Rival-9 class setup: Secondary weapon
MCW, Renetti.

Best Rival-9 alternatives in Modern Warfare 3
AMR9, Striker.
Compared to the Rival-9, both theAMR9and theStrikerare fantastic SMG alternatives.
That finishes our dive into the best Rival-9 attachments.
For more on MW3’s submachine guns, see our guide to thebest SMG in Modern Warfare 3.