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LaRue built their reputation on parts that lock up tight and stay put, and the LT910145 quad rail handguard carries that same no-nonsense attitude. This is a 14.5-inch free-float rail machined from aluminum and finished in a black hard coat anodizing that shrugs off wear and corrosion from mounts, lights, and everyday handling. If you want a slick-sided monolithic-style quad rail that gives you Picatinny real estate everywhere you need it, this one earns its keep.
The heart of this handguard is LaRue's proprietary two-pin barrel nut system paired with a locking anti-slip plate. It's the detail that separates LaRue from the pack. Once it's torqued and pinned properly, there's no chance of the rail shifting or walking off zero, which matters a lot when you're running optics or lasers up top. The barrel nut uses a design similar to a standard 20-hole nut, so a common AR-15 wrench will handle the job without hunting down specialty tools.
Four sides of continuous 1913 Picatinny give you room for optics, backup irons, a light, a laser, a vertical grip, whatever your build calls for. The side and bottom rails are tucked in closer to the barrel, which keeps the overall profile narrow and more comfortable in the hands than a lot of chunky quad rails. T-numbers are machined into the rails so you can pull an accessory off and drop it right back into the same slot. Special rail cuts let it run both mil-issue and standard rail covers, so you can pad down the sections you aren't using.
Because it free-floats, nothing but the barrel nut touches the barrel, so pressure from your support hand or a sling won't tug on your point of aim. At 14.5 inches, this length is a great match for carbine and mid-length builds in that 10 to 16-inch barrel range where you want maximum grip and mounting space. Integral QD sling-swivel sockets sit at the base on both sides for a quick two-point sling setup, and the free-float tube also acts as a heat sink, pulling heat away from the chamber during longer strings of fire.
Yes, this handguard ships with LaRue's proprietary two-pin barrel nut and the locking anti-slip plate that make up the LaRue Locking System. That combination is what gives the rail its reputation for zero movement once installed. You'll just need the normal consumables and tools to torque it down.
The LaRue barrel nut uses a design similar to a standard 20-hole barrel nut, so a common do-it-all AR-15 armorer's wrench will fit it. You'll also want a vise block and a way to properly torque the nut. No proprietary one-off tool is required to get it mounted correctly.
This 14.5-inch length is a strong match for carbine and mid-length AR-15 builds in roughly the 10 to 16-inch barrel range. It gives you maximum grip and mounting space while still clearing your gas block for a true free-float setup. Just confirm your gas system and barrel profile leave room for the rail to float freely.
Yes, it's a true free-float design, meaning only the barrel nut makes contact with the barrel. That keeps pressure from your support hand or sling off the barrel so your point of aim stays consistent. As a bonus, the free-float tube helps draw heat away from the chamber during extended shooting.
| UPC | 810143183160 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | LT910145 |
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