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Guide

Stamped vs milled AK receivers: which one should you buy?

Every AK-series rifle starts with one of two receivers, and the choice changes the weight, the balance and the price of the finished rifle more than any other single decision. We build both, so this is the plain version of the answer we give on the phone.

What a stamped receiver is

A stamped receiver begins as a flat sheet of steel that is pressed into a U-shaped channel and riveted to a front and rear trunnion — the solid blocks that carry the barrel and the stock. It is the configuration most 7.62×39 rifles have used since the late 1950s, because it is lighter and faster to produce than cutting a receiver from solid metal.

In the hand, a stamped rifle carries lighter and points faster. The trade-off is that a sheet-metal receiver flexes slightly more than a solid one, which matters mostly when you hang a heavy optic off a side rail.

What a milled receiver is

A milled receiver is machined from a solid billet of steel. There are no rivets holding the trunnions in, because the trunnion surfaces are part of the receiver itself. That makes the rifle heavier — usually around a pound, depending on the pattern — and stiffer.

Shooters choose milled for three reasons: an optic mount that keeps its zero, the extra mass soaking up recoil impulse on longer strings, and the look of the machined flats, which pairs particularly well with a premium wood set.

Side by side

 StampedMilled
WeightLighterAround a pound heavier
RigidityGoodHigher — better for optics
ConstructionRiveted sheet steel + trunnionsMachined from billet
Best forCarrying, general shooting, classic feelOptics, heavier wood, bench work

What does not change between them

On our bench both get the same treatment: a chrome-lined barrel pressed and pinned, headspace checked with go and no-go gauges before the rifle goes any further, metalwork finished in Gun Kote, and furniture fitted rather than dropped on. The receiver decides the character of the rifle; it does not decide the standard it is built to.

How to choose

If the rifle is going to be carried, shot with irons, and generally used the way an AK has always been used, stamped is the honest answer and the lighter one. If you are mounting glass, or you want a heavier rifle with a thick walnut set that feels planted, milled earns its extra weight.

Still unsure? Tell us how you plan to use it and we will tell you which one we would build for that job — including when the answer is neither.