SIG Sauer P320 Full Size 9mm Magazine – 21rd


A 21-round extended magazine for the SIG Sauer® P320-M17. Magazine may differ slightly from the image pictured. Original OEM magazines that come with the M17. Made in Italy.

State magazine capacity restrictions apply. We are unable to ship this item to Vermont, New York, Massachusetts, New Jersey, Connecticut, Maryland, Colorado, California, Hawaii, Illinois or Washington D.C.

SKU: N/A Category: Tag:


Fit Guide

The 21-round extended magazine will fit all P320 models, including those with X-Series grip modules with or without the magwell installed. The extended length of this magazine will result in it sticking out quite a bit with the Compact and Sub-Compact grip modules.

Additional information


Black, Coyote