HK S 20+1 5.56mm Magazine – Fits H&K 416 / MR556 – Black Steel – S 233609
Product Overview
The HK S 20+1 5.56mm Magazine (part number S 233609) is a premium, military‑grade magazine engineered to deliver flawless performance for the Heckler & Koch 416 and MR556 platforms. Constructed from hardened black steel, this magazine offers unmatched durability, corrosion resistance, and a smooth feed cycle that meets the rigorous demands of tactical, competition, and recreational shooting.
Key Features & Benefits
- 20+1 Capacity: Holds 20 rounds of 5.56×45mm NATO ammunition with a reliable extra round in the top feed, ensuring you stay in the fight longer.
- Black Steel Construction: Precision‑machined, heat‑treated steel provides superior strength and a sleek, low‑visibility finish.
- Exact Fit for HK 416 / MR556: Engineered to match the original dimensions and tolerances of HK’s proprietary magazines, guaranteeing a perfect fit without modification.
- Enhanced Feed Lips: Optimized geometry for consistent, jitter‑free feeding across all types of 5.56mm ammunition.
- Corrosion‑Resistant Coating: Specially formulated black finish resists rust, moisture, and harsh environments.
- Easy Installation: Press‑fit design allows rapid magazine changes – ideal for reload drills and high‑intensity scenarios.
- Verified Quality: Each unit undergoes strict functional testing and dimensional inspection before leaving the factory.
Technical Specifications
| Model | S 233609 |
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| Caliber | 5.56×45mm NATO |
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| Capacity | 20+1 rounds |
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| Material | Hard-anodized Black Steel |
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| Compatible Firearms | Heckler & Koch 416, MR556 (and variants) |
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| Overall Length | ≈ 210 mm (8.27 in) |
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| Weight (empty) | ≈ 300 g (10.6 oz) |
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| UPC | 642230254879 |
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Why Choose the HK S 20+1 Magazine?
When reliability matters, the HK S 20+1 5.56mm Magazine stands out as the go‑to solution for professionals and enthusiasts alike. Its robust steel construction outperforms polymer alternatives in high‑temperature and high‑stress environments, while the precise feed geometry minimizes misfeeds and jams. Whether you’re on the range, in a tactical exercise, or participating in a competition, this magazine ensures consistent performance shot after shot.
Installation & Maintenance Tips
- Insert the magazine straight into the receiver until you hear a solid click.
- After extensive use, clean the magazine body with a mild solvent and a soft brush to remove residue.
- Periodically inspect the feed lips for wear and lubricate the internal spring with a light coat of polymer‑based grease.
- Store the magazine in a dry environment to preserve its corrosion‑resistant coating.
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Customer Reviews
"The build quality is phenomenal – no wobble, perfect fit. I've taken it through extreme conditions and it still feeds flawlessly." – John D.
"A must‑have for any serious 416 owner. The extra round makes a huge difference in a close‑quarters scenario." – Maria L.
*All specifications are provided by the manufacturer and are subject to change without notice.
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