Forward Controls Design 4140 Billet Castle Nut - Black Nitride - CNFThe original MIL SPEC castle nut is a hard product to improve upon, but Forward Controls Design has proven it is not impossible. The CNF is based on the original technical data package specification for the castle nut but does offer several improvements. Deeper staking notches make for much more secure staking. Even installation is improved with the coarse serrations making threading it down to the endplate easier and more comfortable. Features: 4140

Dimensions:

In competitive shooting where you fire many rounds just think how many eye blinks that AR-15 titanium firing pin will give you

Loctite 620 (Green

Rifle +1 - 13

Purchased with a handguard

All parts are hardcoat anodized in Desert Dirt Color (DDC)

flash suppressors and fixed stock receiver extensions

Precision and Speed

Available for 5

This amazing handheld torque wrench lets you apply repeatable

was so popular that they were asked by the Department of Defense to produce a select-fire trigger for the United States Special Operations

Loctite 242 (blue