EMR-A v2, Short is a shorter version of EMR-A v2. EMR-A
EMR-A v2 (2024 to present) replaced the 2017 to 2024 original EMR-A.
EMR-A v2 uses the familiar and superb Norgon Ambi-Catch mechanism where the entire mag catch plate pivots when pressed on the left side, whereas EMR-A v1 used an aluminum lever attached to the magazine release plate and when the lever is pressed, the plate is lifted away from the receiver.
Two lever options are available. Standard and Extended Reach (about 0.09" longer than standard). Force amplification achieved from a lever means the extended reach lever is easier to reach, it's also easier to press than the standard lever. For users with small hands or shorter fingers, the extended reach lever makes the EMR-A a joy to use. For duty and defense ARs, we recommend the standard lever.A 10.9lb rated magazine catch spring is included with each EMR-A. We've long considered the standard magazine catch spring to be rather weak (rated at 8.3lb), accidental / unintended mag drops can take place if a user slings his weapon, and has gear and pouches on the vest. A stiffer mag catch spring mitigates these risks, thus it is an integral part in the EMR-A package.EMR-A's catch is made from CNC machined 4140 steel and black nitride coated, its lever is 7075 aluminum and Type 3 hard coat anodized. The roll pin has a shear strength of 800lbs.
Standard for EMR-A, Nov. 2019 and onwardThe LP (low profile) mag catch shaft reduces the mag catch shaft length by a full revolution, or 0.03. The LP option on the EMR-A reduces the installed height of the right hand mag release button, resulting in a right side mag release button that sits below the mag release fence. This is our latest step to mitigate accidental / unintended mag drop risks.The LP on the EMR-A will not reduce the EMR-HC's installed height on an AR15/M16 to the point where EMR-HC doesn't constitute accidental / unintended mag drop risks. The LP option's shorter mag catch shaft aims to reduce the installed height of a TDP spec mag release button (such as our EMR-H), it isn't a solution for extended mag releases, the installed height of which would require a drastically shorter shaft to offset. 
Notes:* EMR-A v1 lever pivots on the receiver. * EMR-A needs to be removed before installing / removing the trigger. EMR-A is installed and removed in the same manner as a factory mag catch.
* Please wear eye protection while installing EMR-H, EMR-HC, and EMR-A with the 10.9lb mag catch spring, there's considerable spring tension in the 10.9lb spring.
Incompatibilities (v1 and v2 standard length only, the new upcoming short EMR-A v2 will be compatible)
* Due to lack of standards for 308 ARs, EMR-A v1 will not work with all 308 AR style lowers.
* Geissele's Maritime Bolt Catch. Material from either the top edge of EMR-A's lever, or the bottom edge of Maritime Bolt Catch's lower paddle may need to be removed for both to work together. The close proximity of these two control surfaces makes this combination less than ideal.
* CMC's anti walk pins
* KNS Gen 2 anti-rotation trigger/hammer pins. KNS Gen2 Mod2 and Gen JJ, and Gen ST (Spikes Tactical) are compatible with EMR-A with standard lever, but not with extended lever. Gen2 Mod2's pins connecting bar may require minor fitting on thicker receivers to create adequate clearance for the EMR-A's lever when pressed.
* HK 7.62mm AR style rifles, MR762 series.
* Aero 308 AR lower receivers.
* Hodge Defense Mod 2 lower receivers.
* APF side folder lowers
* 17 Design billet lowers
* Uintah Precision lowers
* Silencer Co SU 4766 lowers
* Radian bolt catches
* Battery assist device levers.
WARNING: This product can expose you to chemicals including metallic nickel, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
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