Upgrade kit for AWS / MB44xx Gen. 4 AirsoftPro

Upgrade kit for AWS / MB44xx Gen. 4 AirsoftPro dedicated to power upgrades.
Upgraded component that ensures good performance, durability and resistance to strong springs.

A first improvement is the modern shape with beveled edges. Overall, all the components of the trigger have been modified compared to the old generation.
The steel and hardened spring guide stopper is now part of the entire trigger.

Another improvement is the ability to adjust the trigger position, a possible option even if the rifle is assembled. The trigger can be adjusted in a 7 mm travel length.

Before ordering this trigger, make sure that the piston mounted on the rifle is 90 degrees.

The package includes:
Upgrade trigger
Piston 90 degrees
Steel spring guide with bearing
9mm upgrade spring, M160

Trigger features:
- Lightweight and durable body made of 6061-T6 aluminum alloy
- Aluminum parts with matt black anodized finish
- Piston sear, trigger sear and spring guide stopper made of steel and hardened to HRC 28-32.2.
- The top of the trigger is equipped with ball bearing for smoother trigger move.
- Trigger position is adjustable
- Two torsional springs safety returns the catch to the original position.
- The axis are made of stainless steel
- The trigger is made of 23 parts
- Tested with springs up to M160
- Easy installation
- DOES NOT include safety. This demands a little more attention when handling the rifle, since it cannot be secured.

Hybrid Piston
Made at precision CNC machines from durable and lightweight aluminum alloy: 6061-T6 (Dural) with anodized finish.
The piston catch is made of stainless steel.
The piston has two sliding polyacetal (POM) rings.
The piston head is provided with a back-pressure system with O-ring (it expands and seals better)
The diameter of the piston is enlarged to be able to mount stronger 9 mm upgrade springs.

Dimensions:
Length - 75.9mm,
Outer diameter - 19.8mm,
Inner diameter - 13.5mm
Weight: 24 g

Spring guide:
It allows the use of standard 7 mm springs, but also 9 mm upgrades.
Made of stainless steel with a smooth surface.
Axial bearing makes pulling back much smoother, because of limited spring rotation.

Spring
Made of quality heat treated wire, polished to the end and chemically blackened to withstand corrosion.
The outer diameter is 12.8mm.
The package includes M160 spring

Compatibility: sniper rifles Marui AWS L96 and Well MB44xx copies (4401,4402,4403,4404, 4410, 4411,4412 ... etc)