Front and rear slide serrations

The internals provide positive lockup on Mil-Spec receiver extension positions

1x Adapter

Rotary type hopup with 6

5mm / 21mm / 24mmFits most Tactical Light Lens sizes

Umarex NITROAIR PREFILLED NITROGEN CARTRIDGES (2PK) Paintball Front and rear slide serrationsNitroAir is the first pre filled cartridge loaded with compressed nitrogen gas for use with N2 designated airguns. Umarex's NitroAir is the most revolutionary, innovative, and convenient solution for high pressure airguns. Compressed to 3,600 psi this two pack has 32 grams of nitrogen (N2) in each cartridge and works seamlessly with the Umarex Komplete NCR, the very first N2 cartridge PCP air rifle. These revolutionary nitrogen cartridges should only