HW100 / HW101 Anti Tamper Replacement Kit

With Full Fitting Instructions & FREE Anti Ping Springs Kit

(Springs work well for both standard & FAC power*)

Allows you to adjust the power to remain within the legal limit, or modify to FAC levels (for FAC holders)

Please note: to get to FAC power you would also need to adjust the regulator power.  You will need a regulator pressure test kit - please see our other listings.

 We also supply FULL anti tamper overhaul kits including reg pressure kit, anti tamper replacement unit, springs kit & polyurethane cylinder seal oring OR44 + instructions (also FAC compatible). 

Don't be fooled by cheaper alternatives on ebay, as you will see from the pictures, our kits are made to the highest quality and are polished to a high sheen to ensure that our parts provide a greater consistency and are free from slubs, dents, chips etc which may have a detrimental effect on your equipment.  

Fits all HW100's & 101's (old and new). 

Also included is our anti ping kit which contains a pair of matched/balanced springs that significantly reduce and/or eliminate the problem of hammer bounce/hammer ping on the HW100.  The mainspring/hammer spring is 5mm longer than a standard spring, producing a softer smoother firing action.

SHIPPING is free within the UK 

You will receive:

1 x Anti Tamper Shuttle (Stainless Steel)

1 x 5mm Hex Head Adjuster  (Allen Key Type)

1 x Grub Screw (you don't need to use your old one)

+ FREE Paired Anti Ping Springs Kit (FAC compatible):-

1 x Longer hammer spring (mainspring)
1 x Paired inlet valve spring
1 x 12x1mm o-ring + a small amount of Molykote III lube

A user name and password will be emailed to you to allow you access to our extensive step by step fitting instructions / guide (complete with pictures).


Any questions at all, feel free to contact us: hw100.tuning@gmail.com



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