Description
There are plenty of 5.56 rifles out there, but very few of them are built like this. The Zastava PAP M90 comes out of the same Serbian factory that has been turning out military pattern rifles for decades, and it shows in the details. The receiver uses a thick 1.5mm bulged trunnion, the same heavy-duty construction Zastava is known for, and the 18.25 inch barrel is cold hammer forged and chrome-lined so it will shrug off high round counts and rough weather for years. A double stack bolt and adjustable gas block keep the action running smoothly, and the adjustable front and rear iron sights work exactly the way you expect on an AK pattern rifle.
Furniture That Earns Its Spot on the PAP M90
Zastava did not cut corners on the touch points here. The Magpul Zhukov stock folds for compact storage and transport, which is a real convenience given the longer barrel on this rifle, and the Magpul grip fills the hand better than standard AK furniture. Up front, the quad rail handguard gives you Picatinny real estate on all four sides, so mounting a light, laser, sling point, or forward grip is simple. The muzzle wears standard 14x1mm left-hand threads, meaning the huge world of AK muzzle devices is open to you.
Why the M90 in 5.56 Makes Sense
Running 5.56 NATO and .223 Rem through an AK platform is a great combination. You get soft-shooting, affordable, easy-to-find ammo paired with the simple reliability that made these rifles famous. It ships with a 30 round Magpul PMAG, and there is a bolt hold open notch on the safety selector for range work and cleaning. At 7.9 pounds it carries the heft of a serious rifle without being a chore to handle.
For anyone who wants an AK that does something a little different, or a 5.56 rifle with real military heritage behind it, the PAP M90 is a hard build to top.
Key Specifications
- Manufacturer: Zastava Arms USA
- Model: PAP M90 (ZPAPM90)
- MPN: ZR90556QR
- UPC: 685757098823
- Caliber: .223 Rem / 5.56 NATO
- Action: Semi-Auto, Gas Operated
- Barrel: 18.25" Cold Hammer Forged, Chrome-Lined
- Muzzle Thread: 14x1mm LH
- Receiver: 1.5mm Bulged Trunnion
- Capacity: 30+1
- Stock: Magpul Zhukov Folding Stock
- Handguard: Quad Rail
- Sights: Adjustable Front and Rear Iron Sights
- Overall Length: 37" (35" with stock collapsed)
- Weight: 7.9 lbs
- Finish: Blued
What’s Included
- Zastava PAP M90 rifle
- One 30-round Magpul PMAG magazine
Frequently Asked Questions
Is the barrel on the Zastava PAP M90 chrome-lined?
Yes. The 18.25 inch barrel is cold hammer forged and chrome-lined, the same process Zastava uses on its military production rifles. That combination resists corrosion and throat wear, so the barrel will hold up to high round counts and less than ideal conditions with basic maintenance.
Does the Magpul Zhukov stock on the PAP M90 fold?
It does. The Zhukov folds alongside the receiver to shorten the rifle considerably for transport and storage, which is handy given the longer 18.25 inch barrel. It also brings a more modern cheek weld and feel than traditional AK furniture.
Can I add a muzzle device to the PAP M90 5.56?
Yes, the muzzle is threaded in the standard AK pattern of 14x1mm left hand. That opens up a huge selection of brakes, flash hiders, and compensators made for the AK platform, so swapping muzzle devices is quick and inexpensive.
What can I mount on the quad rail handguard?
The quad rail gives you Picatinny rail on the top, bottom, and both sides of the handguard. That means lights, lasers, forward grips, sling mounts, and rail-mounted optics all bolt on without any gunsmithing. It is one of the easiest AK configurations to accessorize.



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