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Reinforced V2 gearbox by ASG ULTIMATE in silver.
Includes 8mm steel ball bearings, selector plate, and high-quality hex screws.
Reinforced shell with chrome finish for maximum durability.
Suitable for long-term use with ASG M125 springs.
Unique serial number on each unit.
: Ultimate
ULTIM034
Steel Spring Guide with Bearing by ASG ULTIMATE in black. Designed for V2 gearbox (M4, MK18, HK416 and others). Durable steel construction suitable for high-power springs. Integrated bearing and rotating base for smooth operation and reduced friction. Improves rate of fire and gearbox smoothness.
: Ultimate
ULTIM044
INFINITY CNC U-30000 Upgrade Motor by ASG ULTIMATE with aluminum housing. High torque output with 30,000 rpm. Long axle, ideal for M4, MK18, HK416, SR-25 and other rifles. CNC-machined housing and end plate for long-lasting performance and top-tier durability. Efficient cooling, carbon brushes and ball bearings. This motor keeps going until the...
: Ultimate
ULTIM048
AEG Progressive Spring M125 by ASG ULTIMATE with orange marking. Color-coded stiffness for easy identification. Ideal for airsoft gun upgrades. Made from military-grade SiCr spring steel. Progressive winding for smoother startup and reduced strain on gears and motor.
: Ultimate
ULTIM073
CNC Aluminum Piston Head with Bearing by ASG ULTIMATE in blue finish. Lightweight and durable piston head for maximum performance and air seal. Integrated bearing for smooth operation and reduced spring tension. 8 ventilation holes for efficient O-ring pressurization.
: Ultimate
ULTIM077
CNC Aluminum Cylinder Head V2 by ASG ULTIMATE in blue finish. Precision-machined cylinder head made from aluminum with double sealing. Trumpet-shaped nozzle base for optimal airflow into the barrel. Cushioned impact surface to absorb piston shocks and protect the gearbox.
: Ultimate
ULTIM082
CNC Steel Cylinder for AEG by ASG ULTIMATE in black. Designed for inner barrels lenght of 301-400 mm. Precision CNC-machined seamless steel cylinder. Engineered for optimal air compression. Isonite surface treatment for corrosion resistance and reduced friction. External grooves enhance cooling during high-performance use.
: Ultimate
ULTIM094
Upgrade tappet plate V2 by ASG ULTIMATE in blue. Made from heat-resistant reinforced polymer. Compatible with AEG V2 gearboxes in M4, M16, MK18, HK416 and others. Excellent sliding properties for reliable feeding. Return spring not included.
The V2 gearbox from the ULTIMATE® Upgrade Series is built to handle extreme stress and performance builds. Crafted from a high-strength alloy, it easily manages heavy spring loads (up to M125) over prolonged use. It comes equipped with 8mm steel ball bearings with seatings designed to minimize shell warping and deformation during firing. The shell is chrome-coated to reduce friction and maximize wear resistance. The gearbox is held together with hex-head screws, and the package also includes the ULTIMATE selector plate.
Each gearbox has a unique serial number for quality assurance and easy identification. An ideal choice for building powerful and reliable AEGs based on the V2 platform.
| Color | Silver |
| Body/receiver material | Metal |
| Gearbox version | V2 |
| Bearings (mm) | 8 (mm) |
| Bearings (material) | Metal |