Sons of Liberty Gun Works M89 Free-Float Drive Lock M-LOK Rail 11.50", Black - Extended Free-Float Rail for Accuracy - M89-11.5
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Sons of Liberty Gun Works
Overview
The Sons of Liberty Gun Works M89 Free-Float Drive Lock M-LOK Rail is an 11.5-inch handguard designed specifically for the AR-15 platform, featuring a free-float construction that enhances accuracy by isolating the barrel from the handguard. With its M-LOK mounting interface, this rail allows for versatile accessory attachment without adding unnecessary weight. It is commonly found in builds utilizing a carbine gas system and chambered in .223 Wylde, making it a solid choice for those looking to optimize their setup.
Specifications
Sons of Liberty Gun Works M89 Free-Float Drive Lock M-LOK Rail 11.50", Black - Extended Free-Float Rail for Accuracy - M89-11.5
Available Merchants(4)
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Build history on GunPartPicker
Builders have been adding the Sons of Liberty Gun Works M89 Free-Float Drive Lock M-LOK Rail 11.50", Black - Extended Free-Float Rail for Accuracy - M89-11.5 to their builds on GunPartPicker since February 2026. All time, it ranks #329 of the 709 handguards builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 4 retailers we track has it in stock right now. Listed prices start at $299.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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