AR400 Steel Custom Castle Nut Wrench – 3/16" Thick | Rifle Build ToolA purpose built castle nut wrench machined from 3 16" thick AR400 steel tough enough to handle the torque, precise enough to protect your buffer tube. Whether you're building your first rifle or maintaining a well worn setup, this wrench makes tightening and loosening castle nuts clean and easy. Custom cut for a solid fit, this is the kind of tool that earns a permanent spot in your range bag or gun room. Product Details Material: AR400 steel

Custom cut for a solid fit

precision laser cut from USA-made AR500 plate

One 8" x 12" Silhouette Target

Impresses adults

One 3" Gong

Static (non-swinging) design

00" ID black iron pipe or 1

tough enough to last a lifetime

Most of the time

Always follow safe shooting practices

Finish: Raw steel (unpainted)

this shelf is built to handle the cold