For sale is extra srs parts I have, I bought these for a friend who didn’t end up wanting them (he quit) I tested them out in my srs a bit but other than that they are practically new other than fast hop Fast hop is in parts but all should be there, I upgraded to a tnt chamber and no longer need this I also have a 500mm madbull barrel or zci 455mm barrel I can throw in for another $10 (pick one) Also can throw in a close to 3 j spring (unknown brand) for $5 Parts included -Silverback VMP -Silverback Teflon spring guide -faceless sniper mouse fart piston head -faceless sniper piston guides -Silverback fast hop This is pretty much everything you need to upgrade a srs from scratch