▼ 16% below avg
ProMag Magazine for FN FNX-45 45 ACP 20-Round Steel Black
Lowest Listed Price
$24.19
MSRP
$39.99
Savings
40% off
Retailers Reporting In Stock
14 Stores
Updated
Sep 8, 2026
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20 - Round Capacity
Easy Loading
Heat-Treated Chrome Silicon Wire Spring
Manufactured & Assembled in the U.S.A.
Rugged Construction
Steel Construction
Description
ProMag FNX-45 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.
