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The Forward Controls Design EMR-HC is a purpose-built magazine release for large-frame AR-308 rifles, where the factory button often sits recessed and awkward to reach. Instead of the oversized aluminum blocks you see everywhere, FCD went the smarter route: a subtly taller profile that adds real usable surface without turning your mag release into a snag hazard. The button sits only about 0.04 inches taller than a factory release, but that small bump makes a noticeable difference when you're running reloads.
The face uses a gentle curve that follows the natural shape of your fingertip, paired with all-angle dimples that grip your thumb from every direction. That combination creates a self-centering surface, so your finger naturally settles into the sweet spot and resists sliding up or down under pressure. The dimpled texture shines when your hands are wet, gloved, or cold, keeping activation positive when it counts.
This is the extended version designed around 7.62/.308 receivers, and the taller profile is exactly what those platforms need. On a .308 lower, the EMR-HC lets you run standard AR-15/M16 spec mag catches as well as ambidextrous catch and release setups, and it sits neatly at the mag release fence rather than protruding awkwardly. It will also function on 5.56 AR-15s and M16s if you want the extra reach, though it was engineered with the big-frame guns in mind.
FCD cut the EMR-HC from heavy-duty 4140 chrome moly steel bar stock and finished it with a tough salt bath nitride (QPQ) coating for corrosion and wear resistance. It's a genuine drop-in part with no gunsmithing required, and the fit and finish are what you'd expect from a shop known for details. Made in the USA, it's the kind of small upgrade that quietly improves how your rifle handles every time you drop a mag.
The EMR-HC was designed and optimized for AR-308 / 7.62mm receivers, where its taller profile really pays off. It will also function on 5.56 AR-15s and M16s if you want the extra reach and surface area. Just keep in mind that on a .308 lower it sits neatly at the mag release fence, while it protrudes a bit more on a standard AR-15.
No, the EMR-HC is a true drop-in part that replaces your factory magazine release button. You'll reuse your existing mag catch and spring, or swap in a heavier spring if you prefer. Anyone comfortable doing basic AR maintenance can handle the install in a few minutes.
Both share the same curved, self-centering button shape and steel construction. The dimpled version uses all-angle dimples that grip your thumb from any direction, while the serrated version uses horizontal lines. It comes down to feel and preference, and the dimpled face tends to give great traction with gloves or wet hands.
Yes, that's one of the reasons the extended EMR-HC is popular on large-frame builds. On a .308 receiver, the taller profile lets you use standard AR-15/M16 spec mag catches as well as ambidextrous catch and release setups. Because 308 lowers vary between manufacturers, it's worth confirming fit if your lower is billet or differs from common specs.
| UPC | 682157948734 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | EMR-HC, AA (DIMPLED) |
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