Brigand Arms carbon fiber handguard utilize a free-float barrel nut system (externally threaded alloy aluminum barrel nut and a steel jam nut). This allows fine adjustment in alignment and secure mounting.
Note: The listed lengths (i.e., 7″, 9″, 12″, 15″) of the Blade refer to the long side of the AR handguard. The shorter side is always 1.15” shorter than that for all blade handguards.
- 7" - 3.6 oz,
- 9″ - 3.6 oz,
- 12″ - 4.6 oz
- 15"- 5.0 oz
- Caps: Aluminum
- Barrel nut included.
We make our barrel nut and jamb nut from 7075 Aluminum and Chromoly steel. It weighs a total of 1.4 oz (far lighter than any other free float barrel nut + jam nut you will find). All weights listed INCLUDE the barrel nut weight (note that many of our lightweight competitors do not include the barrel nut weight in their weight calculations!)
Patented Carbon Fiber Open Structure
The BA handguard concept is built on a platform of materials proven through aerospace applications and innovative mechanical design. A large component of this is the braided carbon tube; technically called ‘Open-Architecture Composite Structure’ or O-ACS for short. The O-ACS geometry is designed in the computer using proprietary software. It is braided from special composite yarns in a lattice that minimizes weight and maximizes stiffness and strength. Every yarn within the tube is formed from T700 carbon for strength and stiffness, shrouded within a protective jacket for all-weather durability and abrasion resistance. This jacket prevents cracking (common in filament wound handguards) and splinters (common in roll-wrapped handguards). Solid metal end-caps provide rock-solid mounting on the receiver and protection from the impact on the fore end.
We can hang 40-pound dumbbells from the end of it and swing them around with no signs of bending. Under controlled laboratory tests, the handguards can support a force of 100 pounds in any direction, and 400 pounds along with their length – more than even extreme users require. We field test every handguard configuration, firing thousands of rounds in tortuous conditions, then bring them back to the lab and inspect there are no flaws nor slowly developing cracks. Dozens of iterations have led to the current braid that we use. The resulting high-strength design is unique enough that it’s covered by a US patent!
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