5KU Slide and Frame Kit LimCat for Hi-Capa 5.1 Tokyo Marui Black / Silver

The 5KU Slide and Frame Kit LimCat for Hi-Capa 5.1 Tokyo Marui Black / Silver is a comprehensive CNC-machined aluminium upgrade kit for the Tokyo Marui Hi-Capa 5.1 GBB platform. This two-tone version combines a black/silver anodised finish with a 5-inch LimCat Custom-inspired design, providing a striking basis for a custom competition or race gun build.

The set does not just consist of a slide and matching frame/chassis. 5KU also supplies various internal components, including a lightweight aluminium nozzle housing, recoil spring guide, CNC-machined hammer assembly and stainless steel sear. As regards the outer barrel, the kit is designed for use with 5KU 5-inch outer barrels, but these are not included.

CNC-aluminium 5-inch LimCat Custom-design

The slide and the frame/chassis are made from CNC-machined aluminium. The precision-machined contours and recesses give the kit its distinctive competition-inspired look, whilst also ensuring a relatively lightweight slide profile.

This version features a two-tone anodised finish in Black / Silver. The combination of black and silver components gives the Hi-Capa greater contrast than the all-black version and complements builds that incorporate, for example, a silver outer barrel, trigger, magwell or other CNC-machined components.

A lightweight slide assembly can contribute to fast and responsive cycling when the Hi-Capa is correctly adjusted. However, the final result depends on the overall configuration, including the nozzle, blowback unit, recoil spring, outer barrel, magazine, gas pressure and temperature.

Comprehensive kit for the Tokyo Marui Hi-Capa 5.1

The 5KU GB-601-BK2 has been developed for the Tokyo Marui Hi-Capa platform in a 5.1 / 5-inch configuration. The lightweight aluminium nozzle housing supplied reduces moving mass within the slide and forms a key component of the blowback assembly.

In addition, the kit includes a recoil spring guide, a CNC-machined hammer assembly, a stainless steel sear and various internal assembly components and pins. This makes the set considerably more comprehensive than a standalone aftermarket slide.

A 5KU 5-inch outer barrel is not included and must be used or purchased separately. Other parts required to assemble a fully functional Hi-Capa may also need to be transferred from the existing replica or added separately, depending on the replica in question.

Although the kit has been developed for the Tokyo Marui Hi-Capa 5.1, this does not mean that every combination of aftermarket parts is fully drop-in. Differences in tolerances between manufacturers may affect the fit of the slide, frame, outer barrel and internal components.

Assembly, adjustment and performance

5KU states that fitting this kit may require technical knowledge. Careful fitting is particularly important for reliable operation, especially when carrying out a complete slide and frame/chassis upgrade.

During assembly, check that the slide moves smoothly along the frame, that the nozzle can retract fully, and that the outer barrel has sufficient room to move. The interaction between the hammer, sear, trigger mechanism and safeties must also be carefully checked after assembly.

A lightweight nozzle housing and aluminium slide may be beneficial for a fast GBB cycle, but do not automatically guarantee greater gas efficiency or a higher cyclic rate. A well-functioning custom Hi-Capa is achieved by fine-tuning the components to work together as a complete system.

Do not force parts into place if they do not fit correctly. With CNC components, a minor tolerance issue can be the difference between smooth operation and a slide that behaves as if it personally objects to cycling.

Practical insights

The Black / Silver LimCat kit is particularly interesting as a basis for a complete Hi-Capa custom build. As several key external and internal components are already designed to complement one another, the result is much more cohesive than if a standard Hi-Capa were simply fitted with a separate aftermarket slide.

When selecting the other parts, particular attention should be paid to the outer barrel. 5KU specifically states compatibility with its own 5-inch outer barrels. Parts from other manufacturers may be usable, but must be checked individually for dimensions and fit.

Once assembled, it is advisable to carry out a thorough check of the replica first, without any BBs. Pay particular attention to the movement of the slide and nozzle, the correct operation of the hammer and trigger, and the functioning of all safety mechanisms. Only once the mechanical operation is correct can the complete GBB configuration be further tested and adjusted.

Who is the 5KU LimCat Black / Silver Kit suitable for?

The 5KU Slide and Frame Kit LimCat Black / Silver is particularly suitable for experienced Hi-Capa users, airsoft technicians and players who wish to convert a Tokyo Marui Hi-Capa 5.1 into a fully customised race or competition-style replica.

The two-tone Black/Silver finish provides a good basis for both a relatively understated build and a configuration featuring contrasting CNC components. Thanks to the included nozzle housing and hammer components, this kit also goes considerably further than a purely cosmetic external upgrade.

For users with no experience of completely dismantling, fitting and readjusting a Hi-Capa GBB, it is advisable to have it assembled by an experienced airsoft technician.

Specificaties

• Note: 5KU
• Model / stijl: LimCat Custom Style
• Product code: GB-601-BK2
• Producttype: Slide and Frame / Chassis Kit
• Platform: Hi-Capa
• System: GBB
• Compatibiliteit: Tokyo Marui Hi-Capa 5.1
• Size: 5 inches
• Material: CNC-machined aluminium
• Afwerking: Two-tone anodized finish
• Colour: Black / Silver
• Nozzle housing: Lightweight aluminium
• Nozzle housing included: Yes
• Recoil spring guide inbegrepen: Ja
• Hammer assembly included: Yes
• Hammer assembly: CNC-gefreesd
• Stainless steel sear inbegrepen: Ja
• Internal hammer/valve components: Included depending on the model
• Pins included: Yes
• Compatibele outer barrel: 5KU 5-inch outer barrel
• Outer barrel included: No
• Technical installation knowledge recommended: Yes
• Toepassing: Custom Hi-Capa / competition- / racegun-build

Contents of the pack

• 1x 5KU LimCat Style 5-inch CNC Aluminium Slide
• 1x 5KU LimCat Style Frame / Chassis
• 1x Lightweight aluminium nozzle housing
• 1x Recoil Spring Guide
• 1x CNC-machined Hammer Assembly
• 1x Stainless Steel Sear
• Internal hammer/valve component, depending on the version
• Pins / mounting parts
• Outer barrel not included

Common mistakes

• Please do not regard this kit as a fully assembled Hi-Capa.
• Please note that the 5-inch outer barrel is not included.
• Do not automatically assume that installation is entirely a ‘drop-in’ process.
• Do not force the slide over the frame if it is noticeably stuck.
• Carefully check the fit of the outer barrel and nozzle assembly.
• After assembly, check that the slide and nozzle can move freely.
• Test the hammer, trigger and all safety mechanisms before using the replica.
• Do not expect a lightweight slide or nozzle housing to automatically guarantee a higher cyclic rate.
• Please bear in mind the tolerances when combining parts from different aftermarket brands.
• Do not forcefully tighten CNC parts if the fit is incorrect.
• If you do not have sufficient experience with Hi-Capa GBB technology, have the assembly carried out by an experienced airsoft technician.

Frequently Asked Questions

Which Hi-Capa model is this 5KU LimCat Kit designed for?
The kit has been developed for the Tokyo Marui Hi-Capa 5.1 GBB series.

What is the product code for the Black / Silver version?
This two-tone version has the product code GB-601-BK2.

Is this version entirely black?
No. This is the Black / Silver two-tone version. The general colour ‘Black’, which is sometimes mentioned, is not the full colour description for this version.

What material are the slide and the frame made of?
The main structural components are made from CNC-machined aluminium.

What sort of finish does the kit have?
This version has a two-tone anodised finish.

How long is the slide?
It is a 5-inch configuration, compatible with the Hi-Capa 5.1 platform.

Is the nozzle housing included?
Yes. The kit includes a lightweight aluminium nozzle housing.

Is a hammer assembly included?
Yes. A CNC-milled hammer assembly is included in the set.

Is a sear included?
Yes. The kit contains a stainless steel sear.

Is an outer barrel included?
No. The outer barrel is not included.

Which outer barrel does 5KU recommend for this kit?
The kit is specifically stated as being compatible with 5KU 5-inch outer barrels.

Is this a complete Hi-Capa that’s ready to use straight away?
No. It is a comprehensive upgrade and build kit. Depending on the original replica, additional parts may need to be transferred or purchased separately.

Is the installation a completely drop-in fit?
You shouldn’t assume that. Fitting and technical adjustment may be necessary.

Is it advisable to have it assembled by a professional?
If you have little experience of completely dismantling and reassembling a Hi-Capa GBB, it is strongly recommended that you have it assembled by an experienced airsoft technician.

The 5KU Slide and Frame Kit LimCat for Hi-Capa 5.1 Tokyo Marui Black / Silver combines a CNC-machined two-tone aluminium construction with a lightweight nozzle housing and extensive internal components to create a high-quality custom Hi-Capa 5.1.