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PDI 6.01 430mm compared to 554mm

4148 Views 6 Replies 6 Participants Last post by  MiloXC3
i currently have a PDI 6.01 430mm inner barrel with 4 barrel spacers in my VSR,

is it worth the $150 dollars to buy a new PDI 6.01 554mm barrel in terms of accuracy? will i notice a increase of accuracy????
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I read somewhere that the best barrel length (for maximum power, accuracy will be the same) for a vsr-10 cylinder is 500-510mm, assuming you have good compression. So, that 554mm barrel won't give you much of a power advantage. Accuracy will be the same, if not slightly worse because the piston will hit the cylinder head before the BB will exit the barrel.. i guess you could get a bore-up kit with that 554mm in order to maximize power efficiency with heavier springs/bb's, but even then there's only a small advantage in fps. And with fps limits, why spend the money? I'd rather save the money for far more important upgrades.
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