Description
If you're running a 7.62×39 AK and want to maximize time between mag changes, this Zastava polymer 40-rounder delivers a serious upgrade from standard capacity. Made in Serbia by the same factory that supplies military units, this magazine gets legitimately vetted through demanding field conditions before it ships.
Steel-Reinforced Build Where It Matters
The polymer frame keeps weight down compared to steel mags, but Zastava doesn't cut corners on durability. The rear locking lugs are steel-reinforced, and the follower is a steel last-round bolt hold open design. This combination means you get positive feedback when the magazine empties, which beats guessing whether you've got another round ready to go.
Serbian Military Testing Standards
These magazines pass testing that most polymer mags only dream about. They're dropped from shoulder height onto concrete with a loaded rifle to verify impact resistance. Temperature cycling from minus 40 to plus 60 degrees ensures they stay consistent whether you're shooting in cold or heat. The result is a magazine that functions reliably across extreme conditions without losing spring tension or developing cracks.
Practical Double-Stack Magazine
The 40-round capacity fits standard AK magazines that use the double-stack design, so fitment depends on your specific rifle's magwell tolerances. Some users report minor fitting needed, which light sandpaper can address. Once fitted to your rifle, this magazine runs smoothly with both steel and brass-cased 7.62×39 ammo.
Key Specifications
- Caliber: 7.62x39mm
- Capacity: 40 rounds
- Material: Black polymer frame with steel-reinforced rear locking lugs
- Follower Type: Steel last-round bolt hold open (BHO)
- Manufacturer: Zastava Arms, Serbia
- Model Number: ZAPMAG40
- UPC: 685757098434
- Compatibility: AK-47 and variants using 7.62×39 double-stack magazines
- Weight: 0.55 lbs
- Operating Temperature Range: -40°C to +60°C (-40°F to 140°F)
- Grade: Military-grade, used by Serbian military special forces
- Spring: High-tensile steel spring
What’s Included
- One 40-round polymer magazine
Frequently Asked Questions
Will this 40-round magazine fit my AK rifle?
This magazine fits all AKs using 7.62×39 double-stack magazines, but AK rifle manufacturers have varying magwell tolerances. It may fit perfectly as-is or require minor fitting. You can test fitment by inserting the magazine several times to identify any binding points, then lightly sand those areas if needed. This is a common adjustment with polymer magazines and nothing unusual.
What does the bolt hold open feature do?
The steel BHO follower holds the bolt back after you fire the last round, giving you tactile and audible feedback that the magazine is empty. This aids reload speed and situational awareness by making it immediately clear you need a fresh magazine. Some AK platforms work better with this feature than others, so test it with your specific rifle to confirm it functions as intended.
How durable are polymer magazines compared to steel?
Zastava's polymer magazines are impact-resistant, corrosion-resistant, and lighter than steel alternatives while maintaining durability through military-grade testing. They won't rust in harsh conditions and handle drops well thanks to steel reinforcement at critical stress points. Steel magazines are more traditional and arguably more rugged in extreme abuse scenarios, but this polymer design performs reliably in normal field use and range shooting.
Can I use this magazine with different ammunition types?
Yes, this magazine feeds reliably with both steel and brass-cased 7.62×39 ammunition. Magazine performance depends more on proper fitment to your rifle and spring tension than ammunition type, so as long as the mag seats correctly in your magwell, feeding should be smooth regardless of casing material.





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