MDWS has some new barrels available including this one.
https://www.maddogweapons.com/store/p631/MDWS_.277_Wolverine_Premium_Ranger_Barrel_-_5R%2C_12.5"_1%3A7_416R_Stainless_Threaded.html
The PDW gas system is based, in part, on some of my feedback. I'll pick one up as soon as I can and swap it out with my pistol length system.
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