MP115 Kollider is the pack-a-punch version of the MP5K, it has higher damage and more ammo capacity.
The mp5k has low body shot damage, but tremendous head shot damage.
The MP115 Kollider has no PaP'd Texture. The texture sown is the normal skin for the MP5K.
The MP115 also does extreme headshot damage, being a one hit killer into the low twenties.
This model resembles the MAC10 model from Quake, without a suppressor, and different hands.