omega sd upper

So I have really wanted an MP5 SD for some time now, and I was seeing the barreled receiver kits from Atlantic Arms made by Omega. My question is about the availability of the kit, the benefits of the kit (I.e. the mad max bolt head, barrel quality, etc.) and also the benefits of building one...

This is a new product on the market for Roller Lock Aficionados wanting a SD Style set up to install their favorite SD suppressor on. The come complete minus the SD suppressor and the lower trigger pack allowing the final shooter to customize the gun to their liking. These are also built with a...