In day-to-day use, I doubt you will ever even notice any difference.

Basically, due to some pistons being discontinued, it's a case now of using what you have/can get, unless you have barrels replated to spec.
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Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.

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