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B5 Systems
Overview
The B5 Systems AR-15 Handguard is designed for carbine-length gas systems and features an M-LOK mounting interface, allowing for flexible accessory attachment and customization. This handguard provides a stable platform for your AR-15 while maintaining a lightweight profile, making it suitable for dynamic shooting scenarios. It's commonly found in builds utilizing a carbine gas system, particularly those chambered in 5.56 NATO.
B5 Systems AR-15 Handguards M-LOK - AR-15 Carbine Handguard M-LOK Black
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Prices checked
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 6 of the 7 retailers we track have it in stock. Buying today, the lowest price is $27.55 at Brownells, which matches the best price we saw in October.
Prices checked · refreshed daily across 37 retailers
We ranked every handguard by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Handguard Trends →Check it against the live catalog:
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