Forward Controls Design Enhanced Magazine Release (EMR)

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EMR

The EMR features a slightly curved button surface to fit the natural curvature of your finger. The form fitting curve, along with horizontal serrations, create a self centering surface that inhibits the finger's vertical movements. The EMR has a milspec through hole for the magazine catch's shaft, and is only 0.02" taller than the factory magazine release button. When installed, the EMR has minimal protrusion above the mag release button fence on most forged receivers.

Made from 7075 T3 aircraft grade aluminum bar stock, it is Type 3 Hard Coat anodized.

Please visit the EMR vs EMR-C page for an in depth review of the differences between the EMR and EMR-C.

The Enhanced Magazine Release-Continuous Serrations features a slightly curved button surface to fit the natural curvature of your finger. The form fitting curve, along with horizontal serrations, create a self centering surface that inhibits the finger's vertical movements. The EMR-C has an uninterrupted surface and serrations, its taller profile makes it easier to press and is only 0.04 taller than the factory magazine release button. When installed, the EMR-C has a 0.08 protrusion above the mag release button fence on most forged receivers.

Due to the EMR-C's installed height which protrudes 0.08" over the mag release fence when installed (only 0.06" or 0.07" of  the magazine release button travel is needed to drop a magazine), EMR-C is recommended for .7.62mm ARs only, though it does work on 5.56mm ARs and M16s.  For defense and duty ARs and M16s, please use our EMR that has only a 0.01" protrusion over most forged receiver magazine release fence.

For .308 ARs, the EMR-C' taller profile will allow you to use AR15/M16 spec mag catch and ambidextrous mag catch/release.  An EMR-C installed on a .308 AR will not protrude over the mag release fence.

EMR-C

The Enhanced Magazine Release-Continuous Serrations features a slightly curved button surface to fit the natural curvature of your finger. The form fitting curve, along with horizontal serrations, create a self centering surface that inhibits the finger's vertical movements. The EMR-C has an uninterrupted surface and serrations, its taller profile makes it easier to press and is only 0.04 taller than the factory magazine release button. When installed, the EMR-C has a 0.08 protrusion above the mag release button fence on most forged receivers.

Due to the EMR-C's installed height which protrudes 0.08" over the mag release fence when installed (only 0.06" or 0.07" of  the magazine release button travel is needed to drop a magazine), EMR-C is recommended for .7.62mm ARs only, though it does work on 5.56mm ARs and M16s.  For defense and duty ARs and M16s, please use our EMR that has only a 0.01" protrusion over most forged receiver magazine release fence.

For .308 ARs, the EMR-C' taller profile will allow you to use AR15/M16 spec mag catch and ambidextrous mag catch/release.  An EMR-C installed on a .308 AR will not protrude over the mag release fence.

Please visit the EMR vs EMR-C page for an in depth review of the differences between the EMR and EMR-C.


Made from 7075 T3 aircraft grade aluminum bar stock, it is Type 3 Hard Coat anodized. Proudly made in the USA.


 

EMR or EMR-C

EMR's root can be traced to a concept back in 2010, to increase the usable surface area while retaining the same footprint of the factory mag release button.  EMR achieves this by using a gentle curve on its top surface, together with the very effective horizontal serrations, inhibits vertical movement and auto centers the user's finger on the button.

EMR's height is almost identical to that of a factory mag release button.  Its top and bottom edge is slightly taller due to the curve, but this doesn't constitute an accidental/unintended mag drop risk which we'll discuss in detail.

The "ramp" on the mag catch that engages a magazine's cutout/window is but 0.05 in height.  A mag release and mag catch needs to travel 0.06 or more before a magazine is dropped, which is to say, not very much.  The standard lower receiver's mag release fence was designed to mitigate and prevent accidental/unintended mag release by acting as a stop/check.  Mag release buttons that protrude over the fence by 0.06 or more will effectively render the mag release fence useless, defeating a rather crucial feature on the receiver.

Top: EMR, bottom: EMR-C, both installed on a standard forged receiver:



For this reason, we recommend the EMR (with the mil spec through hole) for duty and defense ARs.  EMR-C has a blind hole and continuous serrations, its taller profile is perfect for use on 308 ARs in conjunction with AR15/M16 spec mag catches.  We do not recommend the EMR-C for defense and duty 223 ARs.

Additionally,  a factory button and our EMR both 8 full turns of the mag catch (number of turns can vary with other mag catches and buttons) till the mag catch's shaft comes to be about flush with the top of the mag release button.  7 full turns of the mag catch result in a visible hole on the mag release button, and the button protruding over the mag release fence, while it doesn't adversely affect the mag catch or the button, it will result in a taller button on the receiver, and this practice is best avoided.


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