Is $30.88 a good price for Glock MF31015 G31 15rd 357 Sig Black Polymer?

At $30.88, this is near the average price of $30.48. Fair price — consider waiting for a drop. The average price is $30.48. The lowest we've tracked is $30.09. Tracked for 36 days. Last checked: 2026-06-28. Recorded 1 price change.

What is the lowest price for Glock MF31015 G31 15rd 357 Sig Black Polymer?

The lowest price we've tracked for Glock MF31015 G31 15rd 357 Sig Black Polymer is $30.09. The highest was $30.88. The current price of $30.88 is 1% above the average price of $30.48.

Glock MF31015 G31 15rd 357 Sig Black Polymer

UPC: 764503310157
Manufacturer: Glock

$30.88 $30.09

Fair Price

At $30.88, this is near the average price of $30.48. Fair price — consider waiting for a drop.

Price Intelligence

Building confidence

Against lowest $0.79 above low (3%)

Typical price 1% above typical

Data depth 36 days, 1 price change

Useful signal, but more history will sharpen the read.

Tracked for 36 days. Last checked: 2026-06-28. Recorded 1 price change. The average price is $30.48. The price has ranged from $30.09 to $30.88. The current price of $30.88 is 1% above average.

Live Offers

Tracked retailer listings for Glock 31 Gen 4 Magazine 357 Sig 15-Round Polymer Black. Compare current price, stock, and price history before leaving Firearm Data Lab.