How to Switch Your Glock Mag Release: A Step-by-Step Guide for Lefties and Righties

If you’re a left-handed shooter with a Gen 3 Glock 19, you know the frustration: that factory magazine release is perfectly positioned to be useless. You’re not just adjusting a preference; you’re correcting a fundamental ergonomic flaw. Swapping the mag release is a 5-minute job that requires one specific tool and a new part. I’ve done this on dozens of pistols, from the subcompact G43X to the full-size G34, and the process is nearly identical across all Gen 3, 4, and 5 models. Let’s get into the specifics.

The Tools You Actually Need (And What to Avoid)

You need exactly two things: a 3/32″ punch and your new magazine release. A roll of tape is highly recommended. Don’t use a nail or a random screwdriver; you’ll mar the finish or, worse, slip and damage the polymer frame. The 3/32″ punch is the perfect size for the trigger housing pin you need to drive out. I keep a set of Grace USA punches in my kit specifically for Glock work. Before you start, clear the pistol, remove the magazine, and visually and physically confirm the chamber is empty. Field strip the gun to the point where the slide is removed, leaving you with just the frame. Place the frame on a soft, non-marring surface. A few layers of masking tape on the frame around the pin area provides extra protection.

Step 1: Driving Out the Trigger Housing Pin

Look at the frame. You’ll see two pins: the larger locking block pin at the front, and the smaller trigger housing pin just behind the trigger. You only need to remove the rear one—the trigger housing pin. Position your 3/32″ punch on the right side of the frame (the side with the factory mag release). Using a small hammer, tap the punch firmly and evenly. The pin will drive out from right to left. On Gen 4 and Gen 5 models, this pin has a slight lip; it’s designed to be removed from left to right. Check your model. The pin does not need to come all the way out; just drive it far enough to the left that its right side is flush with the inside of the frame channel. This frees the trigger mechanism housing just enough to access the mag release spring.

Step 2: Removing the Old Magazine Release

With the trigger housing pin shifted, you can now depress the magazine release button from the opposite side. If you’re converting to left-hand release, press the button in from the right side of the frame. You’ll feel the magazine release catch disengage from its seat inside the frame. While holding it depressed, use your fingernail or a plastic spudger to gently pry the release assembly out from the left side of the frame. Be mindful of the small, hooked magazine release spring that sits behind it. This spring can pop loose. Let the old release and spring come out together. Take a second to note how the spring is oriented—the hooked end engages the release, and the straight leg rests against the frame’s interior shelf.

Step 3: Installing Your New Release

This is where part quality matters. A poorly machined aftermarket release can cause binding or failure to lock back. I install and test every release we sell at Glockswitchstore. For a robust, extended option, the Hyve Technologies Monarch release is excellent for Gen 3/4, while the Vickers Tactical Extended Release is a proven choice for Gen 5. Insert the new spring into the frame first, hook facing toward where the release button will sit. Then, insert your new magazine release from the opposite side you just removed it from. For a left-hand configuration, insert it from the left side of the frame. You’ll need to depress the button as you slide it in, allowing the spring hook to catch in its notch. You should feel and hear a definitive click as it seats.

Step 4: Reassembly and Function Check

Once the new release is seated, realign the trigger mechanism housing. The hole in its tab must line up perfectly with the frame pin channel. Using your punch, carefully drive the trigger housing pin back in from the side you removed it from. Tap it until it is flush and even on both sides of the frame. Do not force it; if it binds, the housing is misaligned. The final, non-negotiable step is a full function check. Reassemble your Glock. With the slide on, insert an empty magazine. You should feel a positive click and the magazine should lock securely. Press your new release—the mag should drop free without having to pull on it. Repeat this process 5-10 times. Then, perform the same check with a loaded magazine (snap caps are ideal for this). Ensure the release works under the weight of a full mag. If you need a high-quality release to complete this job, you can browse our categorized selection for your specific Glock generation.

How to switch glock mag release

Clear and field strip your Glock. Use a 3/32″ punch to drive out the rear trigger housing pin just far enough to free the trigger housing. Depress the old mag release button and remove the assembly and spring from the frame. Install the new spring and release from the opposite side, re-seat the trigger housing, and drive the pin back in. Always perform a full function check with an empty and loaded magazine.

How to switch glock mag release side

Switching sides means you are converting the release for left or right-handed use. The physical process is identical to a standard switch, but you install the release component from the opposite side of the frame. For a left-handed shooter, you remove the factory right-side release and install the new one so the button protrudes from the left side of the frame. The internal spring orientation remains the same relative to the release itself.

How to reverse glock mag release

Reversing the Glock mag release is another term for switching its side. On Gen 3 and earlier models, you typically need a dedicated left-handed magazine release part. Gen 4 and Gen 5 models come from the factory with a reversible release; you simply punch out the pin, flip the factory part to the other side, and reassemble. For all generations, the critical step is ensuring the magazine release spring is correctly hooked during reassembly.

Whether you’re correcting the gun for your dominant hand or installing an extended release for faster reloads, the job is straightforward with the right part. We stock tested and proven releases for every Glock generation and model at Glockswitchstore. Don’t adapt to your equipment; make your equipment adapt to you.

Last updated: March 25, 2026