Description
There's something about a wood-furnished AK that polymer just can't touch, and the Zastava PAP M90 in Serbian red is proof. Built at the legendary Zastava factory in Kragujevac, Serbia, this rifle takes the proven M70 operating system and chambers it in 5.56 NATO, so you get old-world Kalashnikov durability with ammo that's cheap, plentiful, and flatter shooting than 7.62×39. The red-stained hardwood stock, handguard, and grip give it a look that stands out at the range without trying too hard.
Built Like Zastava Means It
The M90 uses the same heavy-duty construction Zastava is known for: a 1.5mm receiver paired with a bulged front trunnion, the kind of overbuilt setup originally designed for the RPK. The 18.25 inch barrel is cold hammer forged and chrome lined with a 1:7 twist, so it stabilizes heavier 5.56 loads and will shrug off high round counts for years. Up front you'll find a 14×1 LH threaded muzzle wearing a classic slant brake, and the bolt carrier is machined from heat-treated nickel moly steel for corrosion resistance and long service life.
A 5.56 AK That Adapts to Your Ammo
One of the smartest features here is the three-position adjustable gas system. Running lighter loads or a different muzzle device? Bump the setting and keep it cycling clean instead of fighting short strokes. You also get a bolt hold-open notch on the safety lever, adjustable iron sights, and a side-mounted optic rail that accepts Yugo-pattern mounts when you're ready to add glass or a red dot.
Why the PAP M90 Earns Its Spot in the Safe
At around 8.5 pounds it carries that solid, planted feel AK fans appreciate, and it feeds from the included 30-round magazine while running with most 5.56/.223 AK mags on the market. Whether you're a Kalashnikov collector who wants a NATO-caliber piece or you just want a rugged, good-looking rifle that runs, the M90 delivers the goods.
Key Specifications
- Manufacturer: Zastava Arms
- Model: PAP M90
- MPN: ZR90556SR
- UPC: 685757098496
- Caliber: .223 Rem / 5.56×45 NATO
- Action: Semi-Auto
- Barrel Length: 18.25"
- Barrel: Cold hammer forged, chrome lined
- Twist Rate: 1:7"
- Thread Pattern: 14×1 LH
- Capacity: 30+1
- Receiver: 1.5mm with bulged trunnion
- Gas System: Three-position adjustable
- Sights: Adjustable iron sights
- Furniture: Serbian red wood stock, handguard, and grip
- Weight: Approx. 8.5 lbs
What’s Included
- Zastava PAP M90 rifle
- One 30-round magazine
Frequently Asked Questions
Does the Zastava PAP M90 work with standard 5.56 AK magazines?
Yes, the M90 runs with most 5.56/.223 pattern AK magazines on the market, though not every aftermarket mag has been tested. It ships with one 30-round Zastava magazine, so you're ready to go out of the box.
Can I mount an optic on the PAP M90?
You can. The rifle comes with a side rail on the left of the receiver that accepts Yugo-pattern optic mounts. Pair it with a compatible side mount and you can run a red dot or scope while keeping the adjustable iron sights as backup.
What is the adjustable gas system on the M90 for?
The three-position gas system lets you tune how much gas cycles the action based on your ammo and muzzle device. If you're shooting lighter or underpowered loads, bumping up the gas setting keeps the rifle cycling reliably. It's a handy feature that most stamped AKs don't offer.
Is the Zastava PAP M90 barrel chrome lined?
Yes, the 18.25 inch barrel is cold hammer forged and chrome lined, which protects the bore from corrosion and extends barrel life through high round counts. It has a 1:7 twist rate, so it stabilizes both lighter 55 grain and heavier 62 to 77 grain 5.56 loads well.




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