Is $3.99 a good price for GLOCK - G21/G21SF/G30 MAGAZINE INSERT?

At $3.99, this is 14% above the average price of $3.49. You may want to wait for a better deal. The average price is $3.49. The lowest we've tracked is $2.99. Tracked for 7 days. Last checked: 2026-05-25. Recorded 1 price change.

What is the lowest price for GLOCK - G21/G21SF/G30 MAGAZINE INSERT?

The lowest price we've tracked for GLOCK - G21/G21SF/G30 MAGAZINE INSERT is $2.99. The highest was $3.99. The current price of $3.99 is 14% above the average price of $3.49.

GLOCK - G21/G21SF/G30 MAGAZINE INSERT

MPN: 5397
SKU: 100700058
Manufacturer: Glock

$3.99 $2.99

Consider Waiting

At $3.99, this is 14% above the average price of $3.49. You may want to wait for a better deal.

Price Intelligence

Building confidence

Against lowest $1.00 above low (33%)

Typical price 14% above typical

Data depth 7 days, 1 price change

Useful signal, but more history will sharpen the read.

Tracked for 7 days. Last checked: 2026-05-25. Recorded 1 price change. The average price is $3.49. The price has ranged from $2.99 to $3.99. The current price of $3.99 is 14% above average.