The HK VP9 has been lauded by shooters of all stripes for its superior ergonomics and durability. T4E, a Umarex brand, is now producing a fully licensed .43 caliber paint/dust/rubber ball replica pistol of this incredibly popular Heckler & Koch sidearm. The T4E HK VP9 features blowback slide operation that helps the shooter experience real-life performance from this marker. Additionally, the 1:1 ratio VP9 features last round hold open, a working magazine release, and identical grip shape and texture as the firearm. Give your training and magfed paintball experience the real HK treatment it deserves. This marker is rated for 3.75 Joules. HK VP9 Holster Compatible Blowback Action 12g Non-Threaded CO2 8-Round Magazine LRHO .43 Caliber Paint, Dust, Rubber Ammo Compatible 3.75 Joules CO2 Powered Blowback Action Powered By (1) 12g CO2 Cartridge Drop Free 8 Shot Magazine Shoots .43 Caliber Paint, Dust, or Rubber Ammo Shoots various types of projectiles including: Plastic balls Rubber balls Kinetic Rounds Self Defense Pepper Rounds *note we do not recommend using paintballs in anything rated over 12 joules as they are likely to burst in the chamber.