Home / Gun Care & Accessories / ProMag / ProMag Magazine FN Five-seveN 5.7x28mm FN 21-Round Steel Blue
▼ 9% below avg
ProMag Magazine FN Five-seveN 5.7x28mm FN 21-Round Steel Blue
Lowest Price
$21.99
MSRP
$33.88
Savings
35% off
In Stock at
6 Stores
Compare Deals from 17 Retailers
Lowest price first
GunMag Warehouse Best
● In Stock
$21.99
GrabAGun
● In Stock
$22.69
KYGUNCO
● In Stock
$23.99
E-Commerce Arms
● In Stock
$28.58
OpticsPlanet Coupon
Code ARMSAGORA — 7% Off Most Items
$31.42
$33.79
Red Team Armory
● In Stock
$33.88
Lanbos Armory
● Out of Stock
$17.37
BattleHawk Armory
● Out of Stock
$18.15
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Description
ProMag magazine bodies are constructed of high carbon heat-treated steel and TIG-welded for strength. The springs are precision wound using heat-treated chrome silicon wire. Bases and followers are injection molded from polymers selected for their durability. The result is quality, consistency, durability and reliability.
ProMag Magazine FN Five-seveN 5.7x28mm FN 21-Round Steel Blue Price History and Deals
ARMSAGORA tracked 31 days of price history for ProMag Magazine FN Five-seveN 5.7x28mm FN 21-Round Steel Blue. The lowest tracked price in this period was $21.99, with prices ranging up to $33.88 from Apr 22, 2026 through May 22, 2026.
Current price is at the tracked 30-day low
- Current Low
- $21.99
- 30-Day Low
- $21.99
- Average
- $27.47
- Median
- $26.28
- Retailers
- 7
