PROMAG HK USP MAGAZINE - 45 ACP - 10 ROUND CAPACITY - 20 ROUND BODY - STEEL - BLACK
ProMag Industries
$46.69
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ProMag Industries
PROMAG HK USP MAGAZINE - 45 ACP - 10 ROUND CAPACITY - 20 ROUND BODY - STEEL - BLACK
The ProMag HK USP Magazine in .45 ACP delivers reliable, American-made performance in a California-compliant 10-round configuration — housed in a full-size 20-round body for a natural grip feel and seamless fit with your HK USP pistol.
- California-compliant 10-round capacity in a standard 20-round magazine body
- Durable steel construction built to withstand heavy, repeated use
- Precision-wound, heat-treated chrome silicon wire spring for consistent feeding
- Manufactured and assembled entirely in the USA with rigorous quality checks
- Easy-loading design reduces thumb fatigue during range sessions
- Backed by ProMag's lifetime guarantee against manufacturer defects
Who This Is For
This magazine is ideal for California-based HK USP .45 ACP owners who want a dependable, American-made replacement or spare magazine that meets state capacity restrictions without sacrificing build quality or reliability at the range.
Specifications
| Brand | ProMag Industries |
|---|---|
| Caliber | .45 ACP |
| Capacity | 10 Rounds (CA Compliant) |
| Magazine Body | 20-Round Profile |
| Material | Steel |
| Finish | Black |
| Spring Material | Heat-Treated Chrome Silicon Wire |
| Compatible Firearm | Heckler & Koch USP |
| Country of Origin | USA |
| Warranty | Lifetime Guarantee |
Frequently Asked Questions
Will this magazine fit all HK USP .45 ACP pistol variants?
This ProMag magazine is designed specifically for the standard Heckler & Koch USP chambered in .45 ACP. It is not intended for the compact USP variant, which uses a shorter magazine well. Always verify your pistol's model before purchasing to ensure proper fitment.
Why does a 10-round magazine have a 20-round body?
California law restricts magazine capacity to 10 rounds. To remain compliant while preserving the original grip length and ergonomics of the HK USP, this magazine uses the full-size 20-round body but is blocked and pinned to hold only 10 rounds. This means the magazine seats and handles exactly as you'd expect from a standard USP mag.
How reliable is the ProMag spring over extended use?
ProMag uses precision-wound, heat-treated chrome silicon wire springs that are engineered for long-term durability and consistent tension. These springs are designed to resist fatigue even when left loaded for extended periods, and every magazine undergoes quality inspection during assembly. The lifetime warranty further reflects ProMag's confidence in the product's long-term performance.
- Caliber:
- 45 ACP
- Capacity:
- 10/20 Round
- Color:
- Black
- Follower Color:
- Black
- Type:
- Pistol Magazine
- CA Compliant:
- Yes
- Patform:
- USP
- Material:
- Steel
