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Old September 21st, 2010, 09:25   #1
Watdapakman
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Question FPS Limit

Hi folks! I just want to ask what is the FPS limit allowed in most field? I'm shopping for my first gun and I found this G&G M4 CQB-R MAX from BuyAirsoft Canada which has a 440FPS according to their spec. Please advise. Thank you.
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Old September 21st, 2010, 09:27   #2
AngelusNex
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most fields are 400 fps max. some, mostly down east are higher but I think they're highest is 425ish.
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Old September 21st, 2010, 09:36   #3
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yea and 400fps is a max not a goal lol

I also think the new G&G's coming out now come with a replacement spring for 350-380 FPS range
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Old September 21st, 2010, 10:21   #4
m102404
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Most all indoor places around you are 350fps max....and most outdoor fields are 400fps max.

Bolt action sniper rifles are sometimes allowed higher velocities...that is based on the user being trusted and proven competent.

Note...that chrony reading is with 0.20g BBs. Boxes often publish FPS ratings with other lighter weights of BBs since it results in a better spec number....but fields/games use 0.20's as a reference weight for those FPS numbers.

Some specific games allow higher velocities for everyone (i.e. up to 450fps max)...those tend to be the minority around here.

FPS limits are up to the specific host for that specific game. If it's not clear...ask the host.

DO NOT TRUST the published velocity rating, the general "this is what mine shoots", or guestimate reading. Buy a chronograph or buddy up with someone and split one.

A lot of games will have chrony checks before you can play...and it's a pass/fail. You either shoot under or you don't. It sucks balls to get all set for a game just to find out the minute before that you're a no-go for the game.

It's fairly straightforward to alter the power of an AEG...in essence it's a simple spring swap. A M90 will shoot 300-340fps (all readings with 0.20's) in most rifles...a M100 will usually do 330-360...a M110 will usually put out 380-410fps...(BIG generalizations because of the variance rifle to rifle).

If you want a "I don't want to worry about not chronying under for a game" setup...aim for a spring power one lower than the max. 380fps is a real sweet spot for a lot of setups.
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Old September 21st, 2010, 10:53   #5
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Indoor CQB can go as low as 330 FPS sometimes (basically 1 Joule). Outdoor, the generally agreed upon limit is 400 but may be higher or lower depending on host and field. Ie. a smaller outdoor field might be 360 or 380 while a larger outdoor field might have a limit of 420 or 425 (with specified Minimum Engagement Distances).

Aim for a speed of 360-380 on .20's. So an "M110" or "M120" is around the power rating of the spring you'll want to use. I was told once that the "M" rating is basically the speed you'll be shooting at in meters per second but I can't confirm this (however it does make sense if you do the m/s to fps calculations yourself).
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Old September 21st, 2010, 10:58   #6
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Quote:
Originally Posted by m102404 View Post
It's fairly straightforward to alter the power of an AEG...in essence it's a simple spring swap.
and with this said don't worry about what the gun you are looking at getting is shooting but more the quality of the gun and internals itself.
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