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ProMag SIG SAUER P365/P365XL Extended Magazine 9mm 20 Rounds
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$27.99
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SKU: WX2*0741260
Overview
This extended magazine is designed for SIG SAUER P365 and P365XL pistols chambered in 9mm when additional capacity is the priority. It offers a 20-round capacity and is built with a heat-treated steel magazine body finished in black oxide, along with an injection-molded follower and heat-treated chrome silicone wire. ProMag positions it as an affordable option for shooters who want a higher-capacity magazine for range use or as a spare on hand.
Why Hunters Choose the Promag
Fits Sig
SAUER P365 and P365XL pistols
20-round Capacity
For extended shooting sessions
Magazine Body
A black oxide finish
Includes Injection-molded
Follower for consistent cartridge support
Uses Heat-treated
Chrome silicone wire in the
Key Features
- Extended magazine for SIG SAUER P365 and P365XL pistols chambered in 9mm.
- 20-round capacity provides extra ammunition for compatible firearms.
- Magazine body is constructed of heat-treated steel with a black oxide finish.
- Features an injection-molded follower for magazine function.
- Uses heat-treated chrome silicone wire.
- Made in USA.
Best Used For
- P365 or P365XL owners wanting 20-round 9mm magazine capacity for range sessions
- Shooters seeking an extended magazine option for compatible SIG SAUER P365-series pistols
- Users who prefer a magazine with heat-treated steel body and black oxide finish
- Buyers looking for an affordable, USA-made magazine accessory for compatible handguns
Specifications
| Blade Finish | Black oxide |
|---|---|
| Caliber | 9mm |
| Capacity | 20 rounds |
| Compatible Firearm | SIG SAUER P365 & P365XL |
| Country Of Origin | USA |
| Follower | Injection-molded |
| Magazine Body Material | Heat-treated steel |
| Spring Material | Heat-treated chrome silicone wire |
Pros
- Fits SIG SAUER P365 and P365XL pistols chambered in 9mm.
- Provides 20-round capacity for extended shooting sessions.
- Magazine body uses heat-treated steel with a black oxide finish.
- Includes an injection-molded follower for consistent cartridge support.
- Uses heat-treated chrome silicone wire in the magazine spring.
- Made in the USA.
Considerations & Trade-offs
- Extended 20-round capacity adds size and weight compared with standard P365/P365XL magazines, so it may be less convenient for concealed carry or compact storage.
- This magazine is specified for SIG SAUER P365 and P365XL pistols chambered in 9mm, so compatibility is limited to those models.
- The product information does not include any warranty terms or performance claims, so those details should be verified separately before purchase.
Suggested Comparisons
- Pistol magazines
- Extended-capacity magazines
- SIG SAUER P365 accessories
Suggested Accessories
- Magazine loader
- Magazine pouch
- Pistol cleaning kit
- Range bag
Frequently Asked Questions
Which SIG SAUER pistols does this magazine fit?
It fits the SIG SAUER P365 and P365XL chambered in 9mm.
How many rounds does it hold?
It has a 20-round capacity.
What materials or construction details are listed for the magazine?
The magazine body is constructed of heat-treated steel with a black oxide finish, and it uses an injection-molded follower and heat-treated chrome silicone wire.
Is this magazine made in the USA?
Yes, the product description states that it is made in the USA.
Is this an original SIG SAUER magazine?
The product is branded ProMag. The source data does not state that it is an original SIG SAUER magazine.