Anyone know who makes this bolt release?

[smashycrashy]

http://cdn.bearingarms.com/uploads/2012/12/ARES-15-MCR-12.5-in-barrel.jpg

I have an MCR which doesn't have a bolt release due to the way it is designed, I was wondering if someone knew who made the above bolt release.

[nate76239]

Looks kind of like this discontinued dpms one with the top paddle bent downwards

http://www.brownells.com/rifle-parts/bolt-parts/bolt-hardware/bolt-catches/ar-15-tactical-bolt-release-prod5565.aspx

[3lsmc7]

Looks like it might be the DPMS release?

http://www.brownells.com/rifle-parts/bolt-parts/bolt-catch-parts/bolt-catches/ar-15-m16-tactical-bolt-release-prod5565.aspx

Edit: ^^^ beat me to it