Installation

Tips & Tricks

How to Install – Step 1

After removing the dust cover and the axis pin’s shephards crook retaining wire, remove tension from the hammer spring to facilitate axis pin removal (and to avoid hammer spring “bite” to your hand). This is best done by pulling up the two wings of the braided wire hammer spring and securing the wings behind the hammer head with a bread wrapper twist tie.

How to Install – Step 2

My recommendation of how to place the AK Master Mount™ side rail: Use a small punch or long nail to follow your factory axis pins out of the receiver from right to left. This keeps your trigger and hammer assemblies in place so you don’t have to fight the springs.

Then place the female end of my long bolts over the tip of the punch / nail and follow it back thru the receiver from left to right. Once again this keeps the hammer and trigger assemblies in place. Align the octagon head of my proprietary bolt in the corresponding cut-out in my rail and secure the bolt loosely with my short screw. Do one pin at a time.

The “Sweet Spot”

The AK Master Mount ™ side rail is held to the AK receiver wall by side compression. The underside of the two Allen head screws must compress firmly against the right outside receiver wall in order to have the adequate compression needed to keep the side rail tight against the left receiver wall.

So if you are experiencing slight movement of the side rail after installation, remove the Allen head screw from each hex pin to ensure the end of that pin is not flush with the outside receiver wall. Because the receiver walls actually flex inward during tightening of the Allen head screws, you want the shaft end of the hex head pins inset into the right receiver wall. Remember we are working with an AK, so there can be variations in receiver width.

The quickest way to check if pin length is the issue for your side rail’s movement is to add a couple of washers underneath the Allen head screw before installation. Just make sure the center hole in the washer is bigger than the hex pin shaft’s diameter.

This in effect simulates a wider receiver and ensures the underside of the Allen head screw is actually compressing against the outside receiver wall and not just “bottoming out” on the shaft end of the hex pin. Once this diagnosis is confirmed, remove the washers and use a metal file to remove some metal material from the shaft end of the hex pin. Do not worry about removing too much.

Optic Mount Choice

Basically any AK side optic mount will fit the AK Master Mount™ side rail. The two main styles of optic side mounts are classified as the “regular styled AK side mount” and the “SVD styled side mounts (these have the central rotating cam that fits into the scalloped out area in the center of the dove tail part of the side rail).” Both styles fit the AK Master Mount™ side rail.

Which ever mount you choose will only require the initial adjustment of the locking bar to fit the dovetail on the side rail. You can then remove the mount and replace it without further adjustments. It is purely personal choice which brand or type of optic mount to choose. There are many commercially available optic mounts available at different price ranges. They all have their pros and cons so it really comes down to personal choice which brand on type of optic mount to choose.

AK with an underfolder stock

Any side rail can be problematic for an underfolder AK as the underfolding stock may hit the side rail when the stock is folded. The inside of the folder arm is usually notched (like is done to clear the safety lever) to allow it to fully clear the side rail.

Regardless of that, the optic mount will definitely have to be removed from the side rail in order for the stock to fold up. This is true for any brand of side rail.

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