AC-Unity MP5 40-Round Magazine
The AC-Unity MP5 40-Round Magazine is a high-capacity 9x19mm magazine built for the HK MP5 platform and its variants. Constructed from AC-Unity's proprietary impact-resistant German polymer, it shaves weight off your loadout while standing up to hard use, rough handling, and temperature extremes from -60°C to +60°C. A clear side window gives you instant round-count visibility, and the corrosion-proof carbon wire spring carries a lifetime warranty. It fits HK MP5, SP5, MP5K, SP5K, HK94, MKE, MP5RS, and standard MP5-pattern clones — a solid pick for range work, training, and extended shooting sessions.
In stock
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- SKU
- ACU-MP540
$23.95
Description
Features
- 40-Round 9x19mm Capacity — Holds 40 rounds of 9mm Parabellum for extended range sessions, training drills, and reduced reload frequency.
- Proprietary German Polymer Body — Manufactured from an AC-Unity exclusive impact-resistant polymer that significantly cuts weight compared to traditional steel MP5 magazines.
- Clear Side Window — Transparent window along the magazine body lets you verify your remaining round count at a glance without dropping the mag.
- Carbon Wire Spring — Heavy-duty carbon wire spring delivers reliable feeding and is backed by a lifetime warranty against corrosion and set from extended loaded storage.
- Hardened Corrosion-Resistant Metal Components — Internal steel parts are hardened and treated to resist rust, wear, and the abuse of high round counts.
- Wide MP5 Platform Compatibility — Fits HK MP5, SP5, MP5K, SP5K, HK94, MKE, MP5RS, and clones that accept standard MP5 magazines.
- Extreme Temperature Performance — Engineered to function reliably from -60°C to +60°C, holding up in arctic cold and desert heat alike.
- Speed Loader Friendly — Works with Maglula MP5 mag loaders and ETS CAM universal rifle/SMG speed loaders for fast, thumb-saving reloads at the range.
- Made in Bosnia — Produced in Europe by AC-Unity, a manufacturer with a strong reputation for military and law enforcement contract magazines.
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Customer Reviews
Top customer reviews
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These are legit, dont sleep on emWas super skeptical about a polymer MP5 mag from Bosnia but a buddy on HKpro told me to just try one so I did. Holy crap these things run. Im shooting a Zenith Z5RS and this mag locked in first try with a satisfying click and ran 40 rounds of Winchester 124gr without a single issue. Then I loaded it up again and dumped another 40. Then again. Ran about 200 rds the first session and zero malfunctions. The polymer feels seriously tough too not like some flimsy airsoft junk. I dropped it on concrete on accident and it didnt even scuff. Ordered 3 more that same night.
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MP5 magazine.This magazine has worked flawlessly in my SP5. The 40-round capacity is great for range days, and the clear window makes checking rounds easy.
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Built strong and works great!Great fit and finish. The mags feed flawlessly and load easily. I will be purchasing more!
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