Hostile AEG Parts - Fuze Piston Complete #4F
PRO MATCH TRIGGER
Featuring a flat-faced and grooved, straight "pro match" trigger that provides a much shorter pull and snappier response than standard airsoft AEGs.
AMBIDEXTROUS SELECTOR SWITCH
Precision alloy Selector Switches, designed for both left and right hand manipulation.
AMBIDEXTROUS MAG RELEASE
Precision Allow Mag Release designed to accommodate left and right handed players and off-hand manipulation.
Billet Receiver
Constructed from high-density nylon fiber polymer, the receiver manages to stay exceptionally lightweight while maintaining rugged durability for the field.
TECHNICAL SPECIFICATIONS
Hostile AEG Parts - Fuze Piston Complete #4F
Hostile AEG Parts - Fuze Piston Complete #4F
What's New
New Gear for 2026
Hex PWR Barrel Restock
BARREL BUILDERPick your colors and build your own custom Hex PWR Barrel Kit.
NEW RMX GOGGLE COLORS
SHOP NOWThe HK Army RMX Goggle System delivers toolless lens swaps, anti-fog dual-pane clarity, and tri-layer comfort foam.
NXL LONE STAR PAINT
TEAM SIGNUPReserve team paintballs for HK Army Exclusive at NXL Lone Star 2026.
new turbine pro regs
See New ColorsFully adjustable 350–650 PSI output with a 360° rotating bonnet, ensuring maximum comfort and performance.
