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Old November 3rd, 2008, 21:48   #7
mcguyver's Avatar
Join Date: Aug 2005
Location: Northern Alberta
Originally Posted by Styrak View Post
Correct and incorrect. An AEG's FPS is directly related to BB weight. Gas guns are not affected as much and retain higher FPS when shooting with heavier weights.
Sorry, there is nothing incorrect in what I said.

Explain please why my M16A3 PTW will shoot 0.25g BB at 497 fps but will shoot a .20g at 530 fps? 20% decrease in BB mass but only a 6.6% increase in velocity? Don't worry, I already know the answer.

My old Marui G3 shot 265 with 0.25g and 295 with .20g. Same BBs (I haven't changed brands in years). Same 20% decrease in mass, but now an 11% increase in velocity.

Not all guns are consistant, and you can't say across the board that an X change in weight = a set velocity change.
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