ProMag Magazine Sig P365, P365XL 9mm Luger Drum Polymer Black
The ProMag drum magazine for Sig P365 and P365XL pistols gives you serious magazine capacity in a compact, carry-friendly platform. If you shoot 9mm Luger and want to maximize rounds without swapping mags at the range or in competition, this 50-round polymer drum delivers the ammunition volume that makes training sessions and high-volume shooting days genuinely efficient. The drum design packs significant firepower into a form factor that works with one of the most popular modern carry guns.
Built and assembled in the USA, this magazine uses heat-treated chrome silicon wire springs precision-wound to deliver consistent feeding across the full capacity range. Every assembly step is inspected and verified to maintain quality control, so you get the same reliable performance from the first round to the fiftieth. The black polymer construction is rugged enough for hard use and easy to load when you're filling up for extended range time.
ProMag backs this magazine with a lifetime guarantee against manufacturer defects, so you're covered if something goes wrong. For shooters who want high-capacity options for their P365 or P365XL without leaving the USA supply chain, this drum is a practical choice for range work, competition, or training scenarios where round count matters.
Key Features
- 50-round capacity for extended shooting sessions without mag changes
- Heat-treated chrome silicon wire springs for reliable feeding
- Made and assembled in the USA
- Rugged black polymer construction
- Easy loading design
- Lifetime manufacturer defect warranty
Specifications
| Firearm Compatibility | Sig Sauer P365, P365XL |
| Caliber | 9mm Luger |
| Capacity | 50 rounds |
| Material | Polymer (black) |
| Spring Type | Heat-treated chrome silicon wire |
| Country of Origin | USA |
| Warranty | Lifetime against manufacturer defects |
Frequently Asked Questions
Will this 50-round drum work with my Sig P365 or P365XL?
Yes, this ProMag drum magazine is specifically designed for both the Sig P365 and P365XL platforms in 9mm Luger.
Where is this magazine manufactured?
ProMag manufactures and assembles this magazine in the USA, with quality verification at each step of production.
What warranty does ProMag offer?
ProMag backs this magazine with a lifetime guarantee against manufacturer defects.
What kind of spring does the magazine use?
The magazine features precision-wound heat-treated chrome silicon wire springs designed for consistent feeding at full capacity.

