UMP-9 Semi

The UMP-9 Semi is an SMG with weak damage per bullet but decent DPS. It can only be obtained from the mystery boost at the start of a run. It starts as semi-auto, but upgrades to full-auto after 100 kills.

In Arena, it can be purchased as Riot Guard, Breacher, Assassin, Heavy Gunner and Engineer as a Series 2 weapon.

The abbreviation for this weapon is 'UMP.'

Characteristics
Advantages:
 * Good recoil control
 * Good ammunition reserve
 * Becomes full auto after 100 kills

Disadvantages:
 * Semi-auto trigger makes it awkward to use compared to most SMGs
 * Small magazine size
 * Low overall damage per shot; struggles against armor

Ammo

 * Pickup: 50
 * Ballisticsoft.png Ballistic Soft Ammunition
 * 9mm FMJ Basic
 * Compatible Ammo
 * 9mm Armor Piercing
 * 9mm Hollow Point
 * 9mm Soft Point

Perks

 * 100 Kills Full-Auto Upgrade
 * Gains full-auto after earning 100 kills with the gun

Notes/Tips

 * This weapon can only be gained by starting a run with mystery boost on, or under the Series 2 category of the weapon shop in Arena mode.

Trivia

 * The UMP-9 Semi is based off the HK UMP using the stick magazine that's intended for the .45 cal version as the usual 9mm magazine is curved
 * This weapon went through several design and stat changes before the Legion Rising update, and was formerly named UMP-45 Semi.