2): The burst enables you to shoot a pre-determined number of BBs

Muzzle Velocity: 340~350 FPS (Measured w/ 0

Mode Operation: Side Switch (Quick-Release Swing Arm)

ProWin - M4 Chamber for M4

KRISS USA Limited Edition "Alpine White" KRISS Vector Airsoft SMG by Krytac (Model: High Velocity) Foregrip 2): The burst enables youFeatures Limited Edition "Alpine White" receiver and stock Licensed KRISS Vector GEN II housing with integrated buffer tube mount like the real firearm; retractable stock included Ambidextrous fire selector, Semi, two round burst, full auto fire modes; Ambidextrous safety Limited Edition stubby MLOK handguard with included handstop MIL STD 1913 picatinny top rail, MIL STD 1913 picatinny bottom rail KRISS Vector GEN II pivoting trigger mated to an 8mm