Yes, the varrous “bump fire” stocks are enjoyable to shoot, but they have limited practical utility. With one pushing the weapon forward, maintaining aim (which is usually accomplished by pulling the gun to the rear) is pretty much out the window. Fostech Outdoors, known for their Origin 12 shotgun has been hard at work pushing … Read More …
Source: As Close to Practical Full-Auto as One Can Get – MAC Shoots the “Echo” – The Firearm Blog