Gun & Hose

MTM MSG28 Short Gun Upgrade Kit

Entry-level short gun kit built around the Italian-made MTM SG28, with an Aquatouch short lance, nozzle set and quick connects.

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About MTM MSG28 Short Gun Upgrade Kit

Looking to ditch the bulky factory trigger and upgrade your setup? The SG28 kit is your ideal entry point into short gun control with real hardware, not plastic toys.

The MTM SG28 Upgrade Kit is a ready to go package built around MTM’s compact short gun, ideal for those wanting better handling without overcapitalising on pro-tier gear.

The SG28 features a lightweight body with an integrated brass live swivel and a smooth-pull trigger that feels far better than the clunky stock guns found on most machines. It's rated for up to 280 bar (4,060 PSI) and includes quick connects, so you can integrate it into your current setup straight away.

The included Aquatouch Quick Connect Short Lance gives you extra reach while keeping the form factor nimble and balanced, perfect for tight areas, low panels, and general rinsing control. Whether you're running a foam cannon or just want better accuracy on your rinse, this kit is a proper step up in usability and build quality.

Features
  • SG28 Short Gun: Entry level MTM trigger with integrated brass live swivel and reliable performance.
  • 280 bar (4,060 PSI) Rating: More than enough pressure handling for electric units and mid-spec petrol washers.
  • Quick Connect Short Lance: Adds just enough reach while keeping things nimble for tight work.
  • Quick Connect Ready: Kit includes standard 1/4" and 3/8" quick connects, just plug in and go.
  • Cleaner, Safer Wash Process: Short gun format keeps you close and in control, reducing arm fatigue and increasing precision.

Specification

MTM SG28 Short Gun:

  • Max Pressure: 280 bar (4,060 PSI)
  • Max Flow: 45 L/min (12 GPM)
  • Inlet: 3/8” Female BSP with Brass live swivel
  • Outlet: 1/4” Female BSP (requires quick connect for foam cannons or lances)
  • Internals: Full brass construction
  • Trigger: MTM Easy-Hold Trigger System
  • Body Style: Short gun (compact stubby form)
  • Temperature Rating: 160°C / 320°F max
  • Weight: Approx. 500g
  • Made In: Italy

Quick Connect Short Lance: Balanced reach and control, perfect for rinsing.

Aquatouch 1/4" Full Swivel Nozzle Set: (0°, 15°, 25°, 40° spray angles)

Quick Connect Ready: Includes pre installed 3/8” inlet and 1/4” outlet fittings.

Kit Includes

MTM SG28 Swivel Short Gun – Premium Italian made short trigger gun featuring a shockproof reinforced body and an integrated brass live swivel for improved comfort and durability.

Aquatouch Quick Connect Short Lance - Compact short lance designed to improve control and make rinsing easier around wheels, grills and tighter areas.

Aquatouch 1/4" Full Swivel Nozzle Set (0°, 15°, 25°, 40° spray angles) - High quality 1/4" quick connect nozzles for improved pressure washer performance and spray control.

Quick Connect Fittings - Allows fast and easy swapping between foam cannons, nozzles and accessories.

How to connect
  1. Connect your fitting kit using the supplied PTFE tape.
  2. Click the fitting into the 3/8" quick connect on the MTM SG28 swivel.
  3. The short lance optionally connects into the 1/4" side, and you're ready to wash.
Compatibility
If you are looking to connect this gun to your pressure washer, we have made this easy with branded short gun fitting kits, containing all necessary adaptors + waterproofing tape. Simply browse the table below and click the link to shop yours. Upon clicking the link, you'll find detailed model information to make sure you have selected the right one. If you are struggling to figure out which one is best for you, just get in contact with us and we can sort you out!
Suitable Brands Short Gun Fitting Kit / Adaptor
Karcher K Karcher K Short Gun Fitting Kit
Karcher HD Karcher HD Short Gun Fitting Kit
Ryobi, Ozito, Typhoon, Ferrex Ryobi / Ozito Short Gun Fitting Kit
Bosch AQT, Kinchrome, ARBlue Bosch AQT, ARBlue, Michelin Short Gun Fitting Kit
Gerni, Nilfisk, Stihl, Husqvarna, AVA, Kinchrome, ToolPRO Gerni / Stihl / Nilfisk Short Gun Fitting Kit
Lavor / Lavorwash Lavor / Lavorwash Short Gun Fitting Kit
Honda, Full Boar, Dewalt, Spitwater, Makita, BAR, Kranzle, Jetwave 3/8" QC To M22 14mm Short Gun Fitting Kit
Shipping & returns

Free shipping over $150 (excludes Dangerous Goods and Bulky Items). Dispatched same day for orders before 2pm. 30-day returns on unopened products. Learn more ›

What's in the kit

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Integrated Brass Live Swivel

Integrated Brass Live Swivel

The SG28 features an integrated brass live swivel, helping reduce hose twisting while you wash. It makes the whole setup feel smoother in the hand, especially if you’re moving around the car or working with a longer pressure washer hose.

Quick Connect Ready

Quick Connect Ready

This kit includes quick connect fittings, making it much easier to swap between your short lance, foam cannon, nozzles, or other pressure washer accessories. No constant threading on and off, just click in what you need and keep washing.

Aquatouch Quick Connect Short Lance

Aquatouch Quick Connect Short Lance

The included Aquatouch Short Lance adds a practical amount of reach without making the setup feel awkward or oversized. It’s ideal for general rinsing, tighter sections, and keeping better control around delicate areas.

Adaptor Kit Included

Adaptor Kit Included

Each kit includes the selected short gun fitting kit to suit your pressure washer setup. Just make sure you choose the correct adaptor for your machine, as the hose connection is the bit that matters most when getting a short gun upgrade right.

In action

MTM MSG28 Short Gun Upgrade Kit, in action

MTM Hydro SG28 Easy Hold Spray GunVideo
Compact Short Gun Control
Compact Short Gun Control

The MTM SG28 gives you a much more controlled wash setup compared to a bulky factory trigger.

Frequently Asked Questions

Benefits of a short lance

A short lance improves control, comfort and manoeuvrability compared to the longer factory lances supplied with most pressure washers. The more compact setup makes it easier to work around wheels, grilles, mirrors, badges and lower sections of the vehicle without constantly dealing with awkward angles or excessive length.

It can also help reduce wrist and arm fatigue during longer washes, especially when using a foam cannon or rinsing larger vehicles. Combined with quick connect fittings and an integrated nozzle holder, the setup becomes much more practical for day-to-day use, keeping your nozzles organised, easy to access and quicker to swap between while washing.

Do I need any adaptors or fittings to install an MTM short gun?

Often, yes. Most premium aftermarket short guns are designed around a standardised quick connect system, making it easy to attach accessories like foam cannons, lances and nozzles.

Many pressure washers, however, use proprietary hose connections, so you may need a specific adaptor to connect the short gun to your hose and/or machine. Once the correct adaptor is fitted, the setup becomes far more versatile, easier to use and allows you to swap accessories quickly using the quick connect system.

What nozzle is best for vehicles?

For car detailing, a 40° pressure washer nozzle is usually the safest and most versatile choice. It produces a wider spray pattern that distributes pressure more evenly across the surface, making it ideal for rinsing paintwork, wheels, trims and other sensitive exterior areas without being too aggressive.

A 25° nozzle can also be useful for heavier cleaning tasks like tyres, wheel arches, engine bays or stubborn grime. However, it should be used with a bit more caution around softer surfaces and at closer distances.

MTM Short Gun Vs Standard Guns

MTM pressure washer short guns are widely considered a professional-grade upgrade over the standard plastic trigger guns commonly supplied with many pressure washers.

  • MTM short guns are constructed using high quality materials, featuring nickel-plated brass internals and stainless steel fittings.
  • These materials offer excellent durability and chemical resistance, while also giving the gun a more solid and balanced feel in the hand.
  • The upgraded construction allows them to handle higher pressures more reliably, improve longevity with regular use, and provide a more precise and comfortable washing experience.

Overall, MTM short guns are a durable upgrade that can noticeably improve both the usability and performance of your pressure washer setup.

Reviews

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
1 review
  • TC
    Troy C.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    Really great product

    Fast connect, easy to use and a lot better on the hands then a standard gerni handle

    WC Profile picture for Waxit Car Care
    Waxit Car Care
    22 seconds ago

    Stoked to hear the MSG28 upgrade is working well for you Troy! The fast connect and improved ergonomics make such a difference compared to standard handles.

    Thanks for taking the time to leave such a positive review mate!