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B5 Systems
Overview
The B5 Systems M-LOK Rail Cover in Gray is designed to enhance the grip and comfort of your AR-15 handguard while providing a sleek aesthetic. Made from durable polymer, this rail cover features an M-LOK mounting interface, ensuring a secure attachment to your handguard without adding unnecessary bulk. This product is often found in builds that prioritize a lightweight setup while maintaining functionality and a modern look.
Specifications
Available Merchants(7)
Prices checked
Price Alert
Price and stock
Availability is good for the B5 Systems M-LOK Rail Cover Gray: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $17.10, so there haven't been real sales lately. Buying today, the lowest price is $16.99 at Palmetto State Armory, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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