PROMAG SIG SAUER P365 MAGAZINE - 9MM - 10 ROUND CAPACITY - 20 ROUND BODY - STEEL - BLUED
ProMag Industries
$35.69 - $39.69
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ProMag Industries
PROMAG SIG SAUER P365 MAGAZINE - 9MM - 10 ROUND CAPACITY - 20 ROUND BODY - STEEL - BLUED
The ProMag Sig Sauer P365 California-compliant magazine delivers reliable 9mm feeding in a 20-round steel body blocked to a 10-round legal capacity — purpose-built for P365 owners who refuse to sacrifice build quality under state magazine restrictions.
- California-compliant 10-round capacity housed in a full 20-round steel body
- Heat-treated steel construction with durable black oxide (blued) finish
- Precision-wound chrome silicon magazine spring for consistent feed pressure
- Injection-molded polymer follower ensures smooth, reliable round presentation
- Drop-free fit designed specifically for the Sig Sauer P365 9mm pistol
- Made in the USA and backed by ProMag's lifetime manufacturer defect guarantee
Who This Is For
This magazine is ideal for California-based Sig Sauer P365 owners who want a well-made, American-manufactured replacement or backup magazine that meets state capacity requirements. It's equally suited to range shooters and everyday carry practitioners who prioritize consistent feeding and long-term durability over budget alternatives.
Specifications
| Brand | ProMag Industries |
|---|---|
| Compatible Firearm | Sig Sauer P365 |
| Caliber | 9mm Luger |
| Legal Capacity | 10 Rounds (CA Blocked) |
| Magazine Body Capacity | 20 Rounds |
| Body Material | Heat-Treated Steel |
| Finish | Black Oxide (Blued) |
| Follower Material | Injection-Molded Polymer |
| Spring Material | Heat-Treated Chrome Silicon Wire |
| Country of Origin | USA |
| Warranty | Lifetime (Manufacturer Defects) |
Frequently Asked Questions
Will this magazine work with all variants of the Sig Sauer P365?
This ProMag magazine is designed specifically for the standard Sig Sauer P365 chambered in 9mm. While many P365 variants share a similar grip frame and magazine well, compatibility with the P365X, P365XL, or P365-380 is not guaranteed. Always verify the magazine fits and feeds reliably in your specific firearm before relying on it for carry.
Why does this 10-round magazine have a 20-round body?
This magazine uses a full-length 20-round steel body that has been permanently blocked at the factory to hold a maximum of 10 rounds, making it legal for sale and possession in California and other states with 10-round magazine capacity limits. The blocking is a permanent modification to the magazine's internal components — it cannot simply be removed or reversed without damaging the magazine.
How does ProMag magazine quality compare to OEM Sig Sauer magazines?
ProMag is one of the most established aftermarket magazine manufacturers in the USA, and their magazines are built with heat-treated steel bodies and precision-wound chrome silicon springs — components that meet or exceed the durability standards expected for range and carry use. While Sig Sauer factory magazines are the OEM benchmark, ProMag's lifetime guarantee and domestic manufacturing make them a trusted and cost-effective alternative for P365 owners looking for reliable backup or replacement magazines.
- Caliber:
- 9mm
- Capacity:
- 10/20 Round
- Color:
- Blued
- Follower Color:
- Black
- Type:
- Pistol Magazine
- CA Compliant:
- Yes
- Platform:
- P365
- Material:
- Steel
