The barrel can seem that it is lock in when it isn't really. I considered sending mine back again to CD until finally I checked it more than excellent and found the barrel wasn't seated effectively. The Churchill is made by Akkar and imported by European American Arms. The 612 https://directoryserp.com/listings13127663/smith-wesson-m-p-12-bullpup-12-gauge-shotgun-fundamentals-explained