What aftermarket barrels are available for the Viper-M1?
At the time of this writing, no aftermarket barrels are in mass prodiuction. At a customer request J&J made a single prototype hardchrome Viper M1 barrel. They later made 6 hard anodized ceramic J&J Barrels for the Viper M1, but never produced them for market. Knowing that Dawn and I had a couple of Vipers, Joe West hooked us up with the barrels. To my knowledge no other manufacturer has produced aftermarket barrels for the Viper M1. The “VXT” barrels that USAPP sold for the Viper M1 were made under contract for them by a well known aftermarket barrel manufacturer, and side by side with that maker’s brand barrels about the only difference is the logo laser engraved on the barrel. The accuracy difference between these barrels and the stock barrel is noticable. 9.0 How can I tell if I have a pre 1997 Viper M1? The surest sign that you have a pre 1997 Viper M1 is that the velocity adjusting screw is on the right hand side. Does this matter? In most cases no. The original Viper we tested (