Quote:
Originally Posted by Nighthawk70
The gun is designed to run on 134a, so a stronger gas without mods will break the slide sooner or later. There is a simple and cheap mod to use green gas or propane on TM hi-capa without problems. There is no need to change/upgrade the stock ABS slide.
The mod is to glue a small plastic part (10-15mm) in the blowback housing so the gas valve knocker disconnetor is engaged sooner: this will reduce the force of recoil enough so the slide won't break. It's easier done than said...
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I, like many other people, have ran stock TM guns for YEARS on propane. (personally it's a Hicapa 5.1 for me)