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Magpul
Overview
The MAGPUL M-LOK 7-Slot Polymer Black Rail (MAG591-BLK) is a handguard. Compare prices from multiple merchants and find the best deal.
Specifications
Available Merchants(5)
Prices checked
Price Alert
Price and stock
Availability is good for the MAGPUL M-LOK 7-Slot Polymer Black Rail (MAG591-BLK): it was in stock at one retailer or another nearly every day in September 2026, and today all 5 retailers we track have it in stock. It dipped to $10.44 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $11.99, so sales do come around. Buying today, the lowest price is $8.99 at KY Gun Company, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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