Out of stock
SKU: ADVA5102255
UPC: 758152175113
The Advanced Technology AR-15 steel muzzle brake jam nut is a precision-engineered component engineered for .223/5.56mm rifle platforms requiring a secure, repeatable connection between muzzle device and barrel. This heat-treated steel jam nut features CNC precision machining and a black oxide finish, providing the corrosion resistance and durability demanded in field conditions. The 1/2"x28 thread specification matches the industry-standard AR-15 muzzle brake interface, making it an essential replacement or upgrade component for operators maintaining their own systems.
The jam nut design allows dual-lock capability when paired with a compatible muzzle brake, preventing rotation and vibration-induced loosening that can compromise zero or create mechanical instability during sustained fire. Heat-treated steel construction delivers hardness necessary to hold clamping force without deformation under the repeated torque cycles typical of defensive and training use. The black oxide finish resists surface corrosion in both dry and humid environments, maintaining functionality without requiring specialized maintenance between deployments.
This component serves operators, LEOs, and precision shooters who assemble or service their own rifles and require verified component-level reliability. It is particularly valuable for those running compensators or flash suppressors in high-round-count training cycles, where secondary retention becomes critical. Whether upgrading an existing muzzle device setup or maintaining inventory for armorer-level maintenance, the Advanced Technology jam nut delivers the precision fit and material integrity expected of CNC-machined steel components in the .223/5.56 platform.
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