BudsGunShop.com - Question

Joel, the Impala Plus uses a Kinetic recoil operated system (Inertia) and is drilled and tapped. You can pause at 19 seconds to see taps here : youtube.com/watch?v=os_yDfj6ZKY

"The new shotgun Impala Plus, which operates with a semi-automatic, kinetic reaction system, has gained great appreciation and reached an important market share with its technical features, flawless operation and wide design range." Their web site does not mention being drilled and tapped.