Product Overview
The ProMag HECA7 extended capacity magazine is engineered for the HK USC platform, providing a reliable feed solution for .45 ACP cartridges. This magazine is designed to integrate seamlessly with the HK USC, offering a significant capacity increase for extended operational periods or competitive use. Constructed from durable polymer, the HECA7 is a utility-focused component built for consistent performance in demanding environments.
Key Features
Optimized Capacity
This magazine delivers a 20-round capacity for .45 ACP, extending operational windows and reducing reload frequency. The internal design prioritizes consistent cartridge presentation to the action, contributing to overall system reliability.
Robust Polymer Construction
Manufactured from a high-strength, impact-resistant black polymer, the HECA7 is engineered to withstand demanding field conditions. This material selection contributes to the magazine’s overall durability and reduces weight without compromising structural integrity.
Reliable Feeding System
Internally, the magazine features a robust, high-tensile spring paired with a low-friction follower to ensure smooth and consistent feeding of cartridges. This critical design aspect works to mitigate feed-related stoppages under varying operational stresses, maintaining weapon function.
Dedicated HK USC Compatibility
Specifically designed and tested for the HK USC platform, the HECA7 ensures proper fitment and function, maintaining the system’s operational parameters without requiring modification.
Technical Specifications
- Manufacturer: ProMag
- Model: HECA7
- Caliber: .45 ACP
- Capacity: 20 Rounds
- Compatibility: HK USC
- Material: Polymer
- Color: Black
- SKU: TSW|177566









