Sig Sauer P320 Full Size 9mm Magazine 21 Round - MAG-MOD-F-9-21

Sig P320 Extended Magazine

The Sig Sauer P320 Extended Magazine with 21-round capacity; heat-treated steel body; high-strength steel spring; injection-molded polymer follower; polymer base pad; side witness holes; and black finish.

This handgun accessory currently on sale is the 21-round extended magazine for the SIG SAUER P320, P320 X-FIVE AND P250 pistols chambered in 9mm.

The P320 extended mag, made with high quality components, comes with a steel body that is heat-treated to be tough and durable; factory-drilled side witness holes that allow for quick round count checks; a base plate that is impact-resistant, as well as easily detachable for proper cleaning and maintenance; and a high-strength steel spring working together with an injection-molded polymer follower to ensure that the Sig P320 extended mag feeds flawlessly and reliably.

Note that the actual Sig Sauer P320 Extended Magazine may differ slightly from the image(s) pictured.