Main Work 

Regulator & Tune (Includes a full service)

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 efficienc

- 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.

Rifle Collection & Return Service


We can arrange a collection and return service from you via our fully insured next day courier if you are not local to us. This service allows air rifles to be collected and returned to your home address on a fully insured next day service.

*PLEASE READ THE FOLLOWING*

1. We will only need the action/metalwork of the rifle, no stock, silencer, scope or shroud etc.

2. If applicable, please include the magazines or magazine you prefer to use with the rifle, if you have ever had any problems with them and we can investigate as required.

3. Please ensure the rifle is not cocked or loaded when packing for shipping! Rifles can still be charged with air.

4. Do not ship in a case/bag or with stock on(except for stock engraving or spring rifles) Shipping with these will incur a £25 storage/re-shipping charge.

5. Pack the rifle in a plain, strong cardboard box preferably with adequate newspaper or bubble wrap packing and mark the box with FRAGILE and DO NOT AIR UPLIFT. 

6. Collection can take place any time between 09:00 and 18:00 on the day, we cannot specify a time unfortunately.





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