that is due to the training can being used and it not having proper gas seal dipshit. the vp9 fires from a locked breach that must be manually opened meaning there is literally nowhere for gas to escape from rearward if the silencer is mated to the host properly as directed until you manually cycle the breach. this is only on the first shot as the whole system charges with gas pressure on certain cans like the training can b&t provides alongside the one with wipes that youre supposed to use in field but youd know that if your depth of knowledge on firearms exceeded fucking youtube videos you buttfucking candyass
United States