Buffer Tube Castle Nut

The AR-15 Mil-Spec Castle Nut is an essential component of the buffer tube assembly of an AR-15 rifle. Its main function is to secure the buffer tube to the lower receiver of the AR-15.

It is compatible with most standard AR-15 stocks, making it easy to install and use with your existing set-up. The Castle Nut provides a solid, stable platform for your buffer and spring, ensuring reliable operation and improved accuracy.

Note: This castle nut does not feature notches on the endplate-facing side for staking purposes.

Color: Black
Material: Steel
Height: 9mm
Weight: 17g