Yes these are “commerical” inside diameter & they work fine on commercial & milspec tubes (read a post about that - can’t explain - but they do based on my empirical testing)
Plus a collector bonus LOL -poor English translation from German “slime line” 🤡
New - not take-offs -...
I was going to stop posting in this section but HK webshop prices are too nice - 22 left.
German HK Slimline Forearm - Black - G3, 91, PTR - Used
German HK Slimline Forearm - Black G3, 91, PTR - Used Very Good Condition...