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AirsoftPro AWS / MB44xx ZERO Complete Upgrade Set Gen. 4 is an upgrade kit for Tokyo Marui AWS L96 airsoft sniper rifles and compatible WELL MB44xx series models. It includes a Gen. 4 ZERO CNC trigger box, lightweight hybrid piston, stainless steel spring guide with ball bearing, and a 9-mm upgrade spring. Thanks to its 90° piston sear, the set is designed for high-power upgrades.

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MDM0014
Perhaps you're someone who compromises, settles for less, and isn't demanding... Or you're the type who opts for Tokyo Marui weapons! The TM L96 AWS offers impeccable performance, precision, great upgrade potential, and, of course, flawless build quality! Tokyo Marui - There's nothing better!
ASPRO316
AirsoftPro CNC stainless steel cylinder head for TM L96 AWS and WELL MB44xx airsoft sniper rifles is a durable upgrade part designed to improve the air seal and increase rifle performance. It is machined from a single piece of stainless steel on CNC machines, and its high-quality sealing minimizes air loss while maintaining consistent rifle performance.
MARUI051
Perhaps you're someone who compromises, settles for less, and isn't demanding... Or you're the type who opts for Tokyo Marui weapons! The TM L96 AWS offers impeccable performance, precision, great upgrade potential, and, of course, flawless build quality! Tokyo Marui - There's nothing better!
The 4th generation of the AirsoftPro ZERO upgrade kit provides a complete solution for improving the performance and reliability of Tokyo Marui AWS sniper rifles. Compared to the previous generation, the trigger box has been completely redesigned and now features a robust construction with an integrated steel spring guide support. This provides secure guidance for the spring guide and increases the overall durability of the assembly, even when using powerful upgrade springs. The kit also includes a lightweight hybrid piston with a stainless steel sear, a rotating stainless steel spring guide with a ball bearing, and a 9-mm upgrade spring according to the selected variant. All components are designed to work together seamlessly, creating a reliable upgrade for demanding use.
Includes a Gen. 4 ZERO CNC trigger unit, hybrid piston, rotating stainless steel spring guide with ball bearing, and a 9 mm upgrade spring according to the selected variant.
The 90° sear prevents piston lift during cocking and allows safe use with powerful upgrade springs.
The two-piece trigger design allows horizontal trigger adjustment by approximately 7 mm for improved ergonomics.
The trigger housing is CNC machined from 6061-T6 aluminum alloy, while the highly stressed components are made from hardened and stainless steel.
Designed for springs up to M160 and supported by available spare parts for long-term maintenance.
The trigger mechanism does not support the original safety. Always follow safe firearm handling practices and exercise extra caution when handling the rifle.
| Variants | AWS / MB44xx |
| Color | Combination |
| Body/receiver material | Metal |
| Piston head | Metal |
| Spring guide | Metal |