CZ Scorpian Evo M4 Buffer Tube Adapter.. Condition is Used. Adapter for your scorpion Evo pistol. Allows for M4 buffer tube assembly to work with your Scorpion pistol. Condition is used, minor finish wear, no major dents or scratches. Still in great condition. Would allow the use of such braces as KAK Industries Shockwave brace or SB Tactical SBA3 or SBA4. $40 Located in Loveland Colorado.