Originally Posted by Rock 'N' Roll Outlaw
If you do end up going the Star/Ares route, be aware that the mechbox isn't exactly a standard ver. 2 Star seemed to have come up with their own design that may or may not take parts that would normally fit in a standard ver. 2, also the ambi select fire is a BITCH and a half to get right when putting the box back in.
And I didnt know E1 makes a SCAR.
I was grumpy with my first comment. apologies.
The Star one isn't that bad for the Ambi safety, just gotta set it around 4-5 o clock position and it'll slide right in.