Carmatech Engineering Backpack - Typhoon CO2 Tanks the Vortex Mod has been

the Vortex Mod has been the most widely used

Standard 1mm by 3mm o-rings for faster switching and to make replacement easy with standard o-rings available anywhere

Sewn in D-rings for the addition of suspenders

Not only is the marker well-built but the maintenance is extremely easy

The LAPCO design has precisely optimized the venting timing

Carmatech Engineering Backpack - Typhoon CO2 Tanks the Vortex Mod has beenSafely Stores Complete SAR12C Supremacy package By Only Removing the Barrel and Foregrip. Made of Mil Spec Material and has fantastic Stitch Quality. Storage Compartments For: SAR12C & Optics, Foregrip, Six [6] Magazines, Bipod, 20 Inch Barrel, and Additional Accessories.