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  • Extra Magazine x1
  • Carbon Shroud With Internal Moderator


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Please read the information below regarding the different work options. To book your air rifle in please fill out the options at the bottom of this page. Once you have filled everything out, add the work to your basket and proceed to the checkout.

Main Work 

Regulator & Tune (Includes a full service)

Fill pressure after work
232 BAR
120+ shots
120+ shots

The Regulator & Tune packages are designed to make your rifle more consistent and air efficient, not more powerful. All sub 12 (non FAC) rifles are set to around 11.5ft/lbs after any work is done, keeping you well within the legal limit.

As Well as fitting a regulator and tuning the rifle we also engrave the breech block with the words RAT WORKS as a way of showing that your rifle has been regulated and tuned by us, this is free of charge. If you would like extra engraving as well please select from the drop down menu above and you will be charged accordingly. 

When the work is done by the RAT Works the action is extensively worked on to increase the performance, efficiency, accuracy and overall feel of the rifle. Almost every aspect of the rifle is modified, changed or enhanced in some way. Below is a list of all the work under taken as part of the tune.

Hammer Mechanism

- Ensure the assembly is free of any oil, grease or debris which can cause consistency issues

- Replace hammer spring with one of a more efficient design for use in regulated BSA rifles

- Polish the bearing surfaces in the hammer

- Hammer latch pin modified

- Custom made hammer weight & guide to minimize hammer noise & decrease strike time

- Generally, to benefit the rifle further the hammer replaced or modified.

Loading assembly

- Loading probe modified for better airflow, pellet feed and smoothness

- Bearing surfaces polished

- Probe guide and pellet tray are modified for a smoother cocking and loading cycle

- Cocking is modified on early models to remove the need to pull the bolt back further when loading a magazine

- If you include the magazine with your rifle they are also modified to remove any loading issues such as jamming whilst cycling

- Lubricant is added to parts of the assembly to allow a smoother action

- Bolt lock up mechanism is modified for more responsive and smoother movement, also increasing the rifles consistency.

- Bolt flip upon firing is removed or reduced as much as possible with the Gamo bolt setup

Exhaust valve, transfer port & barrel

- The exhaust valve stem assembly is modified to run more efficiently

- Valve is refaced and modified for a faster flow

- Valve body is modified for better airflow through the firing cycle increasing efficiency

- The valve pressure is reset to give a better performance and reduce the power variation of the rifle between heavy and lighter pellets

- The transfer port is modified to give more air flow efficiency

- Breech face modified to reduce wear on the pellet when loading

- Crown of the barrel re-cut the to increase the rifles accuracy

- Transfer port and barrel are aligned securely within the assembly

- Barrel is secured into the breech more accurately and securely than standard

Trigger assembly

- Hammer latch pin polished & refaced

- Trigger pin assembly is reinforced to reduce movement from left to right

- Trigger let-off is set to a comfortable and safe amount.

- Basic factory trigger adjustment screw replaced allowing greater range of adjustment 

-  2nd stage trigger creep reduced to zero/minimum possible with the Gamo trigger.

After the regulator is fitted and the tune carried out you can expect a shot to shot consistency of single figures as soon as the rifle has been worked on. A report sheet will be included with the rifle once work is complete detailing the shot to shot consistency through our SKAN chronograph, the rifle is held correctly in a mount to guarantee accurate results.  This consistency will improve further as the rifle is used.

PLEASE NOTE: We are not able to work on rifles fitted with aftermarket regulators other than ones we have fitted ourselves.

Stock Engraving

We can engrave either our logo or a logo/image of your choice, this can only be done on wooden/laminate stock.

For all Engraving options please click here

The RAT Works Carbon Fibre Shroud.

These bespoke carbon fibre shrouds are not only stunning to look at, they are lightweight, perform exceptionally well and are extremely quiet due to the internal moderator incorporated into the shroud. These are better than any off the shelf moderator.

All shrouds are made to order and are available for either 12, 15 or 18 inch barrels.

The 30mm diameter shroud will only fit the following BSA models: R10, Ultra CLX.

The 26mm diameter shroud will fit the following BSA models: R10, Ultra SE, Scorpion SE, Ultra CLX, R12 CLX, Scorpion TS.

The 26mm diameter shroud will also fit the GAMO Coyote, Phox, GX40, Venari, GX-250.

Once fitted, our shroud will be the same as the length of your barrel with a standard moderator on. (eg, HW moderator)

Getting your air rifle to us

Whether you would like to use our courier collection & return service or you would like to drop the air rifle in person. You will need to read through our delivery information by 
clicking here