Maxx Model CNC Aluminum Hopup Chamber for M4 / M16 Series Airsoft AEG Rifles

Features

• Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability
• Precision rotary dial design for fine hopup adjustments
• Re-engineered the hopup levers and nubs to work best with R-hop, Flat-Hop and Standard-Hop to keep the BBs shooting straight and accurate on every single shot
• Accepted the nozzle length from 21.00mm
• Fully compatible with most aftermarket soft and hard rubber bucking without losing FPS or dropping BBs
• Equipped with a new CNC Delrin Locking C-Clip design to hold barrel tight without wobbling and twisting, 3 compression springs on top, at bottom and in center of housing to ensure the hopup unit is exactly centered, straight and air tight
• Compatible with any 11mm inner bore AEG Gearbox/HPA Engine nozzle outlets
• Specially designed with BB Latching System to prevent dropping BBs after removing the magazine, Manually opened to release BBs from inside hopup chamber by hand.

Model (Type): M4A - PRO

Hopup Kit Includes:

• 1 x CNC Aluminum Hopup Chamber M4A Pro (with BB Latching System) unit
• 2 x CNC Acrylic Side Cover
• 2 x CNC Brass 2.5mm Side Wing
• 1 x CNC Steel Pivot Pin
• 1 x CNC Aluminum Hopup Lever
• 1 x CNC Aluminum Soft Round Nub
• 1 x CNC Aluminum Soft Flat Nub (4mm)
• 1 x CNC Aluminum Hard Concave Nub (4mm)
• 3 x Steel Nub Spring
• 1 x CNC Steel Spring Guide
• 1 x Steel Upper Compression Spring
• 1 x Steel Center Compression Spring
• 1 x CNC Delrin Locking C-Clip
• 1 x CNC Brass Barrel Spacer
• 1 x Brass Barrel Spacer Holder O-ring
• 1 x CNC Aluminum Rotary Dial Knob
• 1 x CNC Aluminum Inlet Adaptor (OD11mm)
• 1 x CNC Brass Inlet Spacer

Overall Length: 51.65mm
Overall Height: 37.75mm
Inlet Adaptor Outer Diameter (to fit into Gear Box): 11mm
Hub Outer Diameter (to fit into Outer Barrel): 12mm
Hub Inner Diameter (to fit Nozzle): 8mm
Feeder Outer Diameter (to fit magazine): 8.85mm
Feeder Length (to fit magazine): 6mm
Application: For most Tokyo Marui (include KRYTAC, except KWA) M4/M16 standard AEG version 2 gear box
Material: Aluminum 6061

Test Results: FPS might be increased from 10FPS to 30FPS over the stock setup. Please check your FPS!

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