The Zastava PAP M90 is a semi-automatic rifle chambered in 5.56x45mm NATO with an 18.25-inch chrome-lined barrel. It weighs 10.78 lbs, holds 30+1 rounds, and ships with a fixed American walnut stock. 
 

Key Specifications 

• Action: Semi-Automatic 
• Caliber: 5.56x45mm NATO 
• Barrel Length: 18.25 inches 
• Capacity: 30+1 rounds 
• Weight: 10.78 lbs 
• Finish: Walnut/Black 
• Twist Rate: 1:7" 
   

Features 

The 18.25-inch chrome-lined barrel resists fouling and corrosion, extending service life. The 1:7" twist rate stabilizes heavier 5.56 projectiles. Adjustable front and rear sights let you tune zero for different distances. The fixed American walnut stock is traditionally constructed and adds some weight but gives the rifle a distinctive look compared to typical synthetic-stocked semi-autos. 
 

Usage 

The M90 works well for sport shooting and as a range rifle. The 5.56 NATO chambering gives good ammunition selection across a wide range of bullet weights. For home defense, the 30+1 capacity and semi-auto action are practical. At 10.78 lbs it is heavier than most comparable rifles, which is worth factoring in for extended carry or field use.

The PAP M90 generates positive feedback on build quality and its distinctive walnut-stocked appearance, which draws owners who prefer something different from the standard black synthetic rifle.

Accuracy at various distances gets good marks. Owners report the rifle performs reliably with a range of 5.56 loads, and the chrome-lined barrel holds up to regular use without degradation in accuracy.

Weight is the most common criticism. At 10.78 lbs it runs heavy for a semi-auto in this caliber, and owners who use it for extended range sessions or any kind of field application feel it. This comes up in nearly every substantive review.

Aftermarket support is more limited than AR-15 platforms. Compatible magazines and accessories exist but the selection is narrower, which is a practical consideration for owners who like to customize.

A few owners mention the trigger feel is acceptable but not remarkable, and some have experimented with improvements. Others note the initial transition from AR or AK controls has a learning curve.

Value opinions are divided between owners who think the quality justifies the price and those who point to AR-15 alternatives that offer more flexibility for similar or lower cost.

For me, the M90 is a very good starting point for building a competition setup. It lends itself well to modification for that purpose, which is the main quality I wanted from it. The magwell on mine is somewhat tight, though that has not kept it from accepting anything I have tried in it. That combination matters more to me than having everything set up exactly to my taste from the beginning. I can shape the rifle toward competition use while still having broad acceptance from the slightly snug magwell. As a base for a customized competition gun, it has met what I was looking for.