Hi Guys,
Robert told me about this thread, so I'll chime in
EMR-C has a taller profile than the factory mag release button due to its blind hole, continuous serrations top. When installed on an AR15, the height over mag release fence is about 0.08, enough to constitute accidental mag drop risks. The EMR has a through hole and will not protrude over the mag release fence. We discourage the use of EMR-C on duty and defense AR15s for that reason, but the extra height happens to fit thicker 308 receivers as if it were designed for it, when used in conjunction with AR15 spec mag catches.
Armalite AR10 had (might still) have specific mag catches with a different thread pitch and longer shaft, which made it necessary to mate it with a proper mag button (non-AR15 spec). If your receiver uses an AR15 spec mag catch, the factory mag release button is too short, or rather, the mag catch shaft is. Either way, it's hard to access when the button is so close to the receiver.
Here's a polished EMR-C. We don't have polished EMR-C anymore, they're all Type 3 hard coat anodized. Both EMR and EMR-C have a slight curved top, which together with its semi aggressive horizontal serrations, aim to mitigate undue vertical movement of the user's finger. EMR-C and EMR were old, 2010 era projects I worked on while I was still at BAD. After my departure, EMR and EMR-C were the first Forward Controls Design products we introduced. BAD is allowed to make a similar version which they call BAD-EMR.
RE: our 308 spec ABC/R v2, it's based on the DPMS LR308 bolt catch, and it has no preference for either a screw or roll pin. Our 223 spec ABC/R v2 actually works on 308 ARs as well.
Bookmarks