HK 233609S Magazine HK416/MR556 5.56NATO 20RD Steel Black

The HK 233609S magazine delivers reliable feeding for HK416 and MR556 platforms with robust steel construction built to military specifications. This 20-round capacity magazine maintains the precise tolerances and quality control standards that have made Heckler & Koch magazines the choice of military and law enforcement worldwide.

What Makes This Different

Unlike polymer alternatives, the HK 233609S features all-steel construction with a corrosion-resistant finish that withstands extreme environmental conditions. The magazine body incorporates HK's proprietary follower design and spring system, engineered to eliminate feeding malfunctions even under rapid fire conditions. Military testing has validated these magazines for over 10,000 loading cycles without spring degradation.

Key Features

• 20-round capacity optimized for precision shooting and compliance requirements
• All-steel construction with anti-corrosion coating for maximum durability
• Compatible with HK416, MR556, and other AR-15 pattern rifles chambered in 5.56NATO/.223 Remington
• Military-grade follower and spring system prevents double-feeds and misfeeds
• Witness holes for quick round count verification
• Textured grip surfaces for positive handling in adverse conditions
• Drop-free design ensures reliable magazine changes under stress

Field performance demonstrates consistent feeding across temperature ranges from -40°F to 140°F, making this magazine suitable for competitive shooting, tactical applications, and hunting scenarios. The steel construction resists impact damage that can compromise polymer magazines during training or field use. Law enforcement agencies have documented zero feeding failures during qualification courses using these magazines.

Technical Specs

• Capacity: 20 rounds
• Caliber: 5.56x45mm NATO/.223 Remington
• Construction: Steel body with steel follower
• Finish: Black oxide coating
• Overall Length: 7.5 inches
• Weight: 4.2 ounces (empty)
• Compatibility: HK416, MR556, AR-15 pattern rifles
• Country of Origin: Germany

Professional shooters and tactical operators choose HK magazines for their proven reliability when failure is not an option. The 20-round capacity provides an ideal balance between ammunition capacity and weapon handling characteristics for precision applications.