Air Arms Cylinders Pre-drilled for APEX Regulator Installation

If you’d like to install an APEX Regulator to your rifle but haven’t got the tools required, we can supply a new pre-drilled cylinder for you to make installation into your rifle quick and easy. Due to The Air Arms firing valve body threads being non indexed, unfortunately we cannot guarantee the alignment of the hole when the cylinder is screwed onto the firing valve, so your vent hole may be on the underside of the cylinder, directly under the barrel,  or off to one side of the cylinder when assembled. 

Select the cylinder length you’d like (measure your original cylinder or maybe choose a longer cylinder length for more shots if you want) and let us know where you need the hole drilled by selecting the options below if you are buying an APEX Regulator at the same time, or leave a measurement in the box provided.

You can check the Air Arms Support section on their website for the manual for your rifle to check for the correct cylinder length. Message us with the part number and length of your cylinder if your cylinder is not on the list, we can supply any length OEM cylinder at request and add it to the website for you.

APEX Regulator drilling Options:

12ftlbs and below

FAC

Custom - Please enter a custom drilling distance in the box provided. We suggest this measurement is in the middle of the two oring seals on the regulator body. Once a custom measurement has been given there can be no refunds due to incorrect measurements provided. *If you don't choose this option and still enter a number in the box we will ignore it. Make sure you choose this option AND enter a number in the box provided*

Cylinder Lengths:

S335 – Rifle length mm

S335L – FAC Length mm

RN235 – Carbine mm

JT335FT – HFT500 Cylinder mm