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Discussion Starter · #1 · (Edited)
Hi guy's, I am considering a TB for my VP9 since I'm expecting the Hearing Protection Act to pass.. anyway, I noticed that the TB'S (that come up on Google) for the VP9 don't have an O' ring.. do they come with an O' ring or not? If not' can we talk about why HK decided not to included it on the Vp9?

Thanks.
 
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