Home / Buffer Tube Parts / Forward Controls Design / Forward Controls Design CNF Billet Castle Nut, Flat Dark Earth
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Forward Controls Design CNF Billet Castle Nut, Flat Dark Earth
Lowest Price
$24.9
MSRP
$32.99
Savings
25% off
In Stock at
10 Stores
Updated
Jun 24, 2026
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Specifications
Description
Introducing the CNF castle nut - a modern take on a rimeless design at Forward Controls Design, we embrace the reliability of traditional methods while enhancing them with modern innovations. Our CNF castle nut is a testament to this philosophy, designed to prevent rotation and ensure steadfast performance in your AR platform. The CNF castle nut adheres to the Army manual's specifications, requiring a torque of 38 - 42 ft/lb and staking in two places. However, we've taken it a step further by addressing common concerns with the traditional design. Our castle nut features longer and deeper staking notches, providing a more secure hold that resists loosening without intentional user intervention. This improvement ensures that once installed and staked, the nut remains firmly in place, maintaining the integrity of your firearm. Crafted from billet machined 4140 PH steel and finished with a Cerakote flat dark earth coating, the CNF castle nut is built to withstand the rigors of use while offering a sleek, modern appearance. Unlike conventional designs, our nut eliminates the discomfort of sharp wrench notches, making installation a more User-friendly experience. Proudly made in the USA, the CNF castle nut embodies the perfect blend of tradition and innovation. It is a continuation of the original designers' vision, ensuring that critical components of your AR remain secure and reliable. Trust in the CNF castle nut for a steadfast performance that honors the past while embracing the future.







