jond36 Posted September 5, 2009 Report Share Posted September 5, 2009 Has anyone tried HPA (Compressed Air) in their GBB or GBBR? I was going to try it in my GHK or my WE SCAR. From a paintball point of few, HPA is better than CO2 so if a gun can handle regulated CO2 can't it handle Air at 125 PSI? Even guessing on your imput would help. Also any experienced paintballers might know. Thanks, Jon. Link to post Share on other sites
Wupjak Posted September 5, 2009 Report Share Posted September 5, 2009 I've been down that road. It'll work. I did it with my WA M4. Consistency was better shot to shot, but that gun was a ticking time bomb. Question is, why? You lose the flexibility of gas in mag. I don't have an issue with the external line, but you're handicapping yourself to a fixed number of rounds and/or a loud, time consuming magazine swap (drop magazine, disconnect QD air fitting, reconnect air fitting to new mag, insert fresh mag). If you're set on an external air gbb, buy an Escort MP5 or one of daytonagun's Escort-based setups. Best GBB I ever owned were my two Escort MP5s. Link to post Share on other sites
Stealthbomber Posted September 5, 2009 Report Share Posted September 5, 2009 First I think we need to clarify what the OP means by "work with HPA". If he means "Can I hook up an extremal HPA rig to a mag?" then yeah, it'll work. It'll also leave you have to reload the mag with BBs over and over or, alternatively, have several mags with a QD coupling on them. Alternatively, if he means "Can I fill the mag with HPA?" then the answer is an outright "NO!". Link to post Share on other sites
snorkelman Posted September 5, 2009 Report Share Posted September 5, 2009 If you're storing a mag worth of pressurised air at 125 PSI in the mag itself then three to five progressively weaker shots and you're going to be filling it again. Likewise if you're doing a quick n dirty hookup an external bottle with regulator up via a hose n QD fitting, then not only are you tethered (in a less than ideal place) but you're going to dump a mags worth of 125 PSI air when you uncouple the QD as a result theres no practical use for HPA in the mag whatsoever, and only real uses for a HPA hose-fed mag are: 1 as a cheap feed for plinking where fast reloads arent an issue 2 to tune/tweak/trobuleshoot/ the rifle itself - where you have one less variable to take into account (shifting gas pressure) while trying to nail down other inconsistencies 3 to torture test the rifle - HPA fed mag, 1.2l bottle, regulator set to 100 to 130 PSI, bolt stop disabled, selector set to auto.. then trigger pulled and taped back in firing position Link to post Share on other sites
jond36 Posted September 5, 2009 Author Report Share Posted September 5, 2009 **Edit: Disregard Snorkelman answered** How about CO2 in the mag at 120 PSI? Same result as air? Link to post Share on other sites
snorkelman Posted September 5, 2009 Report Share Posted September 5, 2009 **Edit: Disregard Snorkelman answered** How about CO2 in the mag at 120 PSI? Same result as air? yup untill you've got CO2 in a liquified state then all you've got is vapour - 120 PSI CO2 vapour isnt going to do you any better than 120 PSI air Link to post Share on other sites
jond36 Posted September 5, 2009 Author Report Share Posted September 5, 2009 Alright thanks that's all I needed. Link to post Share on other sites
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