From: Mad Bull
30-day limited warranty
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Things I liked:Really like this extension. Put it on my mp5 airsoft. Like the every thing.Did make the group change, found out the bbs were hitting the extension,took it off allined it with the barrle,group went right on.
Things I would have changed:Nothing wish I had got it along time ago.I have been having so much fun with this airsoft gun.
does not include shipping and tax