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Recommened BBs in a pistol

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Old April 10th, 2013, 15:45   #1
cav.
 
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Recommened BBs in a pistol

Hi guys! I just received my KWA M1911 MK I. Opened the box and it says "Recommended use with 0.25g BBs." My question is, some games require you to have a gun that will not go over 350-360FPS shooting on .20g BBs. Does that mean I will not be able to use my pistol because it only takes .25g BB?

Still new at this Enlightenment is welcomed!
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Old April 10th, 2013, 15:48   #2
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chrony your gun on .20 to see the velocity. you can use whatever weight you want in the pistol it's personal preference.
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Old April 10th, 2013, 15:49   #3
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No, you can still use it. Just make sure that when you do the initial chrono that it's under the limits.

Reason it's recommended is because the hop ups are usually tuned for those weights. Most TM springer pistols with fixed hop ups are tuned for .25g BB's.

In CQB you will chrono with .20g then use whatever you want. Typically I rock .25's for FIBUA/CQC games (eg. in a "CQB village" or indoor field) and .28's for outdoor longer range games.
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Old April 10th, 2013, 16:09   #4
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Oh ok. Thanks guys, I thought you had to use the recommended BB's stated in the game rules and on the gun. Thanks That clears things up for me!
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Old April 10th, 2013, 17:09   #5
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All the above is true and id suggest 28 or even 30 see what the gun likes best but keep in mind alot of indoor places only allow the use of 20's no higher so youll need some for those places
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Old April 10th, 2013, 21:23   #6
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All the above is true and id suggest 28 or even 30 see what the gun likes best but keep in mind alot of indoor places only allow the use of 20's no higher so youll need some for those places
Yeah, I'll just buy a bag or two of 20s Already have a bag of 25

Thanks
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Old April 10th, 2013, 21:37   #7
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GBB pistols love .28's. And I had a TM MK 23 Socom that thrived off of .30's.
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Old April 10th, 2013, 22:21   #8
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Haha yeah?? I need to check what the FPS on the M1911 >_> Im hoping I wont need to downgrade anything

Is it worth getting a chrono as a beginner?
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Old April 10th, 2013, 22:35   #9
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For the chrono, it's a "big" investment at first, but I bought mine and don't regret it.

Just get a good one, even if the price is higher. The ASC first choice would be the xCortech x3200, around 90$, and since you have the same as everyone else, your readings won't be off with the community.
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Old April 10th, 2013, 22:36   #10
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I'll find out if my KWA 23 n Usp will like .3s shortly

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Old April 10th, 2013, 22:39   #11
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For the chrono, it's a "big" investment at first, but I bought mine and don't regret it.

Just get a good one, even if the price is higher. The ASC first choice would be the xCortech x3200, around 90$, and since you have the same as everyone else, your readings won't be off with the community.
That was the one I was looking into..and also the one from Evike coz it's cheap. But reading reviews about Evike and the fact that it looks too good to be true, I will shell out a bit more! You get what you pay for :C Thanks!
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Old April 10th, 2013, 22:58   #12
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I use nothing but .28 and .3 in my pistols... Gas guns love heavy bbs :-)
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Old April 10th, 2013, 23:29   #13
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Note the reason why I run .25's indoors is because of the shorter engagement distances and the heavier the BB the longer it stays in the barrel for gas to act on it (gas expansion vs a more "linear" compression of a piston in an electric). For a short pistol it's not a big difference but in a gas rifle with a longer barrel you can actually increase the energy output of the BB significantly when using heavier BB's.

tl;dr Mind the energy output of a gas gun and the weight of BB you use. While in an electric it's more or less linear so a .20 will take the same energy as a .25 or heavier (they just move slower due to the momentum equation "m1v1=m2v2").
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Old April 10th, 2013, 23:49   #14
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Note the reason why I run .25's indoors is because of the shorter engagement distances and the heavier the BB the longer it stays in the barrel for gas to act on it (gas expansion vs a more "linear" compression of a piston in an electric). For a short pistol it's not a big difference but in a gas rifle with a longer barrel you can actually increase the energy output of the BB significantly when using heavier BB's.

tl;dr Mind the energy output of a gas gun and the weight of BB you use. While in an electric it's more or less linear so a .20 will take the same energy as a .25 or heavier (they just move slower due to the momentum equation "m1v1=m2v2").
I probably will buy a bag of 28s to see the difference. Since my rifle is also a GBB, chances are I will just run with 20s and 25s. Dont think Ill do much outdoor events. Its good to know though
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Old April 11th, 2013, 02:19   #15
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Generally the idea I find is that you use one grade weight higher outdoors. So for instance, if you use .20's for CQB, you'd use .23's for outdoors. That's the pattern I'm noticing.

Alas, my gun has a garbage fps and only fires @ 310 fps, so I'm stuck with .20's and .23's. :/

Also, a little off-topic, but cav, I noticed you're in Sheridan's animation program. Just a friendly hello from a Durham College Game Dev student!
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