You are bidding on an excellent condition Virtue upgrade board/chip for the Dye DM4/DM5/DMC Matrix paintball marker. Board can shoot 10.5 bps. Comes with a copy of the manual. Board is in perfect working condition. Came off a working DM4 marker. One of the best upgrade board for these old school Matrix. Any questions, please email me. Bid with confidence and check out my other auctions for more paintball products and parts. Auction is for the U.S. Only.