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highny · September 3rd, 2009, 17:23

Hello everyone!

I couldn't find any forum that could answer my question, so sorry if somebody already answer this.

I'm looking into upgrading my spring and I've been thinking up to FPS 400-415.

Now, I know there's a spring guide chart, but it's with .2 bbs which is .05 less than what I use...

I'm using .25 bbs, so I'm just wondering, how much FPS would drop between .2 and .25. And which spring would you recommend at wargameclub.com to get my FPS up to 400-415 if I were to use .2 and .25.

Also, I read that, if I'm increasing the tension of my spring, I should always get better bushing. The mod guide I read on the sticky part didn't really give me enough info to find the right one for my gun.

I use an ICS M4 so I'm assuming it's a v2 gear box. There's different size of bushing out there, so does anyone know which size is for this gear box?

Also, which type would you recommend(with stand tension up to 400-415 FPS with .25 bbs) at wargameclub.com? There's lots, but they don't give any detail on any of them...

If you got another website that's better than wargameclub.com, please feel free to leave me the link.

Thank you for reading.

September 3rd, 2009, 17:23	#1
highny Trader rating Join Date: Jul 2009 Location: Calgary	Upgrading spring... Hello everyone! I couldn't find any forum that could answer my question, so sorry if somebody already answer this. I'm looking into upgrading my spring and I've been thinking up to FPS 400-415. Now, I know there's a spring guide chart, but it's with .2 bbs which is .05 less than what I use... I'm using .25 bbs, so I'm just wondering, how much FPS would drop between .2 and .25. And which spring would you recommend at wargameclub.com to get my FPS up to 400-415 if I were to use .2 and .25. Also, I read that, if I'm increasing the tension of my spring, I should always get better bushing. The mod guide I read on the sticky part didn't really give me enough info to find the right one for my gun. I use an ICS M4 so I'm assuming it's a v2 gear box. There's different size of bushing out there, so does anyone know which size is for this gear box? Also, which type would you recommend(with stand tension up to 400-415 FPS with .25 bbs) at wargameclub.com? There's lots, but they don't give any detail on any of them... If you got another website that's better than wargameclub.com, please feel free to leave me the link. Thank you for reading.