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The FAB Defense FX-M4AKP takes a classic stamped-receiver AK and brings it into the modern era. Instead of that old fixed wood or polymer club, you get a collapsible M4/M16-style stock that also folds flat against the side of the rifle. It's built from fiberglass-reinforced polymer, so it shrugs off weather, drops, and general abuse the same way the rest of your rifle does. The whole thing installs as a bolt-on replacement for your original stock, no permanent gunsmithing required to get it mounted.
The big appeal here is length of pull and packability. The stock adjusts through multiple positions so you can dial in the fit whether you're running a plate carrier or shooting in a t-shirt, and the side-folding hinge lets you shave a good chunk off the overall length for a case, a pack, or a truck. Folded, it drops down to roughly 11 inches and extends out to around 14 inches, and the assembly runs right around a pound. The rubber butt pad grips your shoulder and helps you settle into position fast without slipping.
This version is made for stamped-receiver AK-47, AKM, and AK-74 variants, which covers a huge slice of the rifles out there including WASR, Bulgarian, and similar builds. It mounts to the receiver itself, so if your rifle has bottom or top tangs from the original stock, those may need to be trimmed by a gunsmith for the cleanest fit. Milled receivers, Saiga, Zastava, and under-folder AKMS rifles use different FAB Defense models, so double check your receiver type before buying.
AK owners keep coming back to this one because it locks up tight both folded and extended, and it makes the rifle feel more like an AR to run without changing what the gun actually is. The fit and finish get consistent praise, and it looks integrated rather than tacked on. If you already prefer an M4-style cheek weld and controls, this is one of the simplest ways to get there on a stamped AK.
This model is designed for stamped-receiver AK-47, AKM, and AK-74 variants, which covers most of the common builds like WASR and Bulgarian rifles. It replaces your original fixed stock and bolts to the receiver. If you have a milled, Saiga, Zastava, or under-folder AKMS rifle, FAB Defense makes a separate version for those, so verify your receiver type first.
For most stamped AKs it's a bolt-on swap you can do at home with basic tools. The one catch is that this stock connects to the receiver only and does not use the original bottom or top stock tangs. If your rifle has those tangs, they may need to be trimmed by a gunsmith for the cleanest fit.
Yes, it does both. The stock folds to the side to shorten the rifle for transport and storage, and the M4-style tube collapses through multiple positions so you can adjust length of pull. It locks up solidly whether folded or extended.
It's built from fiberglass-reinforced polymer composite, the same tough material FAB Defense uses across its stock line. Owners consistently note the fit and finish and how tight it locks up. It holds up well to weather and normal field use.
| UPC | 7290105940926 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FXM4AKP |
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