Dark Hour Defense Castle Nut 4140 Steel Black

Dark Hour Defense Castle Nut 4140 Steel Black. Once installed on the buffer tube the nut provides strength and rigidity. The color matched melonite finish provides further protection against corrosive elements. Compatible with AR15/308DPMS/SR25 collapsible stocks Dark Hour machined these out of 4140 alloy. Our customers have found many uses for this nut including; AR15/308DPMS collapsible stocks AR15 upper receivers with a DD endplate and various other uses where a steel castle nut is required. Use this nut in conjunction with the Dark Hour Defense QD endplate and lower extension buffer tube. Specifications for Dark Hour Defense 4140 Steel Castle Nut: Manufacturer: Dark Hour Defense Gun Model: AR-15 Color: Black Fabric/Material: 4140 Steel Finish: Black Melonite Features of Dark Hour Defense 4140 Steel Castle Nut Machined out of strong durable 4140 alloy Melonite black finish Compatible with AR15/308DPMS/SR25 collapsible stocks A perfect compliment to the Dark Hour QD endplate and lower extension buffer tube Package Contents: Dark Hour Defense 4140 Steel Castle Nut Dark Hour Defense DHCN: Castle Nut 4140 Steel Black