Umarex NITROAIR PREFILLED NITROGEN CARTRIDGES (2PK) whisper Do not look straight into hpa m4 adapter FPS Range 370 400 Style:Blue/White NINJAPK68D

Do not look straight into the muzzle to check the installation of the device to prevent any accident like mistakenly pulling the trigger or firing the gun

trigger guard and the stock are made out of steel

providing you a compact platform while retaining its ability to house a large capacity battery

Both button faces are CNC milled from 6061 Aluminum

The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional parts

Umarex NITROAIR PREFILLED NITROGEN CARTRIDGES (2PK) whisper Do not look straight into hpa m4 adapter FPS Range 370 400 Style:Blue White NINJAPK68D Do not look straight into the muzzle to check the installation of the device to prevent any accident like mistakenly pulling the trigger or firing the gun trigger guard and the stock are made out of steel