Unicorn 130% MWS Hammer Spring

Description

Stronger Hammer Action: Unicorn Airsoft 130% MWS Hammer Spring

Give your Tokyo Marui MWS trigger box a stronger and more positive hammer action with the Unicorn Airsoft 130% MWS Hammer Spring. Designed as an upgraded replacement for the standard hammer spring, this component increases spring tension to help provide a more consistent strike against the magazine gas valve.

With its 130% enhanced spring rate, the Unicorn hammer spring is a useful upgrade for MWS builds where reliability and consistent gas release are important. It is particularly suited to players tuning or upgrading their MWS GBBR, as well as those replacing a tired or weakened standard hammer spring.

Technical Specifications

Key Features & Performance

• 130% Enhanced Spring: Provides increased tension compared with the standard MWS hammer spring.
• For Tokyo Marui MWS: Designed specifically for MWS-spec M4/AR GBBR trigger boxes.
• Stronger Hammer Strike: Helps provide a more positive strike against the magazine gas valve.
• More Consistent Gas Operation: Increased hammer tension can help promote reliable gas release.
• Steel Construction: Made from durable spring steel/metal construction.
• Performance Upgrade: Well suited to upgraded and tuned MWS GBBR builds.
• Replacement Part: A useful replacement for a worn or weakened standard hammer spring.
• Compact Internal Upgrade: A small component that can make a noticeable difference when tuning the MWS trigger and gas system.
• Silver Finish: Easily identifiable during internal maintenance and installation.

The “Pro” Take

The hammer spring is a small component, but it has an important job inside an MWS GBBR. When the trigger is pulled, the hammer needs to strike the magazine valve with enough force to release the gas required for the rifle to cycle. A tired or weak spring can therefore become a problem when reliability starts to suffer.

The Unicorn 130% spring increases the available hammer tension without requiring you to replace the entire trigger assembly. It is particularly useful as part of a wider MWS build where other internal components have already been upgraded and the gas system is being tuned as a complete setup.

As with any internal upgrade, the final result depends on the condition and specification of the rest of the rifle. A stronger hammer spring can also alter the balance of the gas system and may increase the load on associated components, so it is best considered as part of a properly matched MWS build rather than an automatic performance increase on every rifle.

Compatibility & Installation

The Unicorn 130% MWS Hammer Spring is designed for Tokyo Marui MWS-spec M4/AR GBBR trigger boxes. It is an internal component and requires the trigger box to be accessed for installation.

Although the spring is designed as an upgrade component, installation should only be carried out if you are comfortable working on GBBR internals. If you are unsure, we recommend having the spring fitted by a suitably experienced airsoft technician.

Always check the complete specification of your particular MWS or MWS-compatible platform before ordering, particularly if you are running a clone or heavily modified trigger system.

Performance Considerations

The purpose of the 130% spring is to provide a stronger and more consistent hammer strike. It is not a standalone FPS upgrade, and actual changes to rifle performance will depend on the gas, magazine, valve, nozzle, bolt and other internal components being used.

Some manufacturers and retailers specifically highlight the spring’s suitability for hot-weather operation, where maintaining positive hammer operation can be useful as part of an appropriately tuned MWS system.

What’s Included

• 1x Unicorn Airsoft 130% MWS Hammer Spring

Friendly FAQ

What is the Unicorn 130% MWS Hammer Spring?
It is an upgraded hammer spring designed to provide increased tension compared with the standard MWS hammer spring.

What does a stronger hammer spring do?
It increases the force with which the hammer strikes the magazine gas valve, helping promote more positive and consistent gas release.

What MWS rifles does it fit?
It is designed for Tokyo Marui MWS-spec M4/AR GBBR trigger boxes. Compatibility should be checked if you are using a heavily modified or non-Tokyo Marui platform.

Is this a 130% spring?
Yes. The Unicorn spring is rated at 130% enhanced strength.

Will it increase FPS?
It is not designed as an FPS upgrade. Any change in muzzle energy or gas performance will depend on the complete configuration of the rifle and its gas system.

Is this suitable for a stock MWS?
It can be used as a replacement or upgrade component, although a stronger hammer spring is generally most useful where there is a specific reason to increase hammer tension or where the rifle is being tuned.

Is it difficult to install?
The spring is a relatively straightforward internal component, but accessing the MWS trigger box requires disassembly. If you are not experienced with GBBR internals, professional fitting is recommended.

What is the SKU?
The Unicorn 130% MWS Hammer Spring is UC-MWS-HMSP.