ProMag Drum Magazine, 45 ACP, 40 Rounds, Fits Glock 21, Polymer, Black
- UPC
- 708279014963
- MPN
- DRMA37
- SKU
- 516551636883
- Manufacturer
- ProMag
$86.99
$90.99
Best offer
E-Commerce Arms $78.68
Cheaper Offer Available
E-Commerce Arms lists a matched offer at $78.68, $8.31 (10%) less than this listing's $86.99.
Price Intelligence
High confidence
Against lowest
Matches lowest seen
Typical price
3% below typical
From tracked high
$9.00 lower (9%)
Data depth
167 days, 7 price changes
Enough history to judge this against real observed movement.
Tracked for 167 days. Last price change: 2026-09-25. Recorded 7 price changes. The average price is $90.11. The price has ranged from $86.99 to $95.99. The current price of $86.99 is -4% below average.
Lowest
$86.99
Highest
$95.99
Average
$90.11
Tracked
167 days
Price Changes
7
Last price change
2026-09-25
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Live Offers
3 retailers list ProMag Drum Magazine, 45 ACP, 40 Rounds, Fits Glock 21, Polymer, Black; 3 in stock, in-stock prices run $78.68 to $86.99.
Best Price History Across Offers
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Insights
Recent Price Drop
Dropped $9.00 (9.4%) since 2026-09-23.