Maxx Hop Up Unit M4A Pro
Best precision upgrade for dedicated airsoft technicians seeking ultimate shot consistency.
This precision-machined upgrade replaces stock chambers to significantly improve consistency and accuracy. The integrated latching system prevents BB spillage during magazine changes, while the robust construction ensures a stable, airtight seal for more reliable performance shot after shot.
$85.00
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Who it's for
- Competitive players seeking maximum consistency and long-range performance
- Tactical users who value efficient reloads and minimal ammo waste
- Marksmen requiring exact control over their BB trajectory
Who should skip it
- Builders who prefer using standard off-the-shelf internal components
- Casual owners looking for a simple drop-in upgrade experience
- Novice technicians who are uncomfortable with advanced airsoft internal work
Performance breakdown
Adjustment Precision
Rotary dial offers granular control for dialing in perfect flight paths.
Build Durability
CNC-machined aluminum construction withstands rigorous use without warping or fatigue.
Air Seal Consistency
Multi-spring tensioning ensures a rock-solid seal for stable muzzle velocity.
Feeding Reliability
Integrated latching system eliminates annoying BB drops during magazine changes.
Installation Complexity
Requires technical proficiency to properly align and shim for optimal performance.
Hop-up Versatility
Easily accommodates R-hop, flat-hop, and standard setups for custom builds.
Key Specs
Material
Aluminum 6061
Compatibility
Tokyo Marui, G&G, KRYTAC M4/M16 AEG series
Gearbox Compatibility
Version 2
Nozzle Length Compatibility
21.00mm - 21.25mm
Inlet Adaptor Outer Diameter
11mm
Hub Outer Diameter
12mm
Hub Inner Diameter
8mm
Feeder Outer Diameter
8.85mm
Feeder Length
6mm
Overall Length
51.65mm
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