▼ 17% below avg
ProMag Magazine for Sig Sauer Sig Pro 40 S&W 15-Round Steel Blue
Lowest Listed Price
$20.04
MSRP
$35.19
Savings
43% off
Retailers Reporting In Stock
8 Stores
Updated
Sep 2, 2026
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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.







