Quote:
Originally Posted by ThunderCactus
The 455mm barrel thing is a bit of a misconception. What was meant, was that a 455mm barrel is most efficient on a FULL CYLINDER. As opposed to a 509 barrel.
ptw's and aeg's use the exact same physics and a lot of the same internals, and you can get amazing accuracy on just a 9" barrel (TW5s). That being said, GBBR physics aren't significantly different and amazing range and accuracy is possible on a 5" barrel.
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I would have to disagree a bit. 455 is as far as most people have been able to maintain air pressure to centre the BB in the barrel. I've gotten up to 550mm accurately, and I've been able to maintain air pressure to that distance as well. I can verify that by the FPS gains I get in that gun going up to that length.
The reason I can get that is because I'm at a slightly higher FPS, and because I'm really anal about air seal. So much so that most people call me out on bullshit for my FPS claims. Apparently nobody wants to believe that a M120 with a perfect air seal will put out 455 FPS. No I'm not using a bore up kit.