This is the factory OEM SIG P365 X-Macro 9mm 21-round extended magazine. 

You read that correctly; this is a 21-round magazine for your P365 series pistol!   

Constructed from anti-friction-coated steel, this magazine is ready to withstand some serious use. Inside, you’ll find an anti-tilt polymer follower and high-quality steel spring that work together perfectly to ensure your rounds are properly aligned and feed flawlessly.  

On the back of the magazine are precision-cut rear-facing witness holes that allow you to easily keep track of all 21 rounds. So whether you’re using your P365 series pistol for home defense, competition, or simple range time, these 21-round magazines are sure to please!

This magazine is compatible with the following models chambered in 9mm:

• P365
• P365X
• P365XL
• P365X-Macro
• P365 Fuse
• and more!

Specs

• Factory magazine
• Fit: SIG P365-series pistols
• Material: Steel
• Follower: Orange, anti-tilt polymer
• Numbered, rear-facing witness holes
• Color: Black

High capacity magazines are restricted in certain states: California, Colorado, Connecticut, District of Columbia, Illinois, Hawaii, Maryland, Massachusetts, New Jersey, New York, Vermont and Washington may be restricted in other municipalities. It is the customer’s responsibility to be aware of and abide by all applicable local laws. If you attempt to order over the rounds required for your area you will be contacted and the item will be reduced and removed from your order.