Much like Google Reviews - members are allowed to create (1) unique thread for each vendor/manufacturer. You may "edit" your thread at any time to reflect any changes.
Oh yeah, that's one I forgot as well. Got new HP SS mags from Bin when I had that gun as well.
Sorry Aurelius I haven't taken my Terminator apart yet. There's some instructional videos on Bin's YouTube channel "SigShooter" though. Take a look through the archives, might be something showing you what you need.