ProMag SIG Sauer P320 Sub Compact Extended Magazine Grip Sleeve Extension 9mm 15 RDs

Name: ProMag SIG Sauer P320 Sub Compact Extended Magazine Grip Sleeve Extension 9mm 15 RDs
Brand: Sig Sauer

$21.49

Fair Price

At $21.49, this is near the average price of $21.49. Fair price — consider waiting for a drop.

Price Intelligence

Building confidence

Against lowest Matches lowest seen

Typical price Near typical ($21.49)

Data depth 53 days, 0 price changes

Useful signal, but more history will sharpen the read.

Tracked for 53 days. Last checked: 2026-06-25. Recorded 0 price changes. The average price is $21.49.