AirGunTech: Re Engineering Spring Powered Air Rifles for smoothness, consistency, and to better suit UK power levels.

HW85 Part3, trigger block and rear spring guide

Some spare time this afternoon, decided to attack the trigger block machining and make the rear spring guide. Usually the trigger blocks have a straight flat edge for the spring guide to fit too, with the 85 there is enough meat to to form a recess for the guide to locate into. its only 2mm deep but it helps keep the guide centralised and should help smooth out the shot cycle…every little tweak helps.


Check out the pics, self explanatory what has happened here, the guide is made from Nylotron which has a moly lubricant added to its composition.








Still to make is the front top hat spring guide and then the bearings for the spring to rotate on (these are just PTFE thrust washers) which are next to be machined.

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