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Vsr help hop up increases fps


sickswan
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So purchased a vsr g spec i have the zero trigger unit Teflon cylinder pss10 orange piston pss10hop up 6.02 tightbore in it. These are my chrono figures with 0.25g as I don't have any 0.2 or 0.4 which I will actually be using.. The figures seem a little high once I apply any hop up at half hop it is boosting the fps by 50 is this normal in a vsr.. Do you guys set yours using 0.2g to under 500fps or by thepower output in joules it makes? 

I will have some 0.2 and 0.4 in next few days so will have to test again..

Also anyone know what rating this spring is.. I mean the one that came in this box as it just says 450fps on it.. I believe this is the spring in the rifle thanks for any help. 

Luke

See photo.. 

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Definitely possible for it to raise FPS in a bolty. Happens on mine. Basically it creates a better air seal between bb and barrel. 

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14 minutes ago, sickswan said:

Yeah I've read about the back pressure the hop can cause which makes sense.. Thanks for the reply.. Do you snipe? If so do you set using 0.2 under 500fps or joules with 0.4

Thanks again

 

Well its not what I do that matters, it's what the site chooses to chrono at. 

 

My Sniper rifle fires at 450 with the hop off and 485 with the hop on at .2's. I am happy with that. 

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