Our grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. I can also fit any 5/16x24 threaded bolt handle. Customize your gun even further with one of our compatible bolt handles.Specifications:Dimensions: 1.90" x 7/8" x 7/8"Weight: 2 oz.Threading: 5/16x24Made in the USA*All of our standard threaded knobs will fit the Christensen Arms standard rifles.Anarchy Outdoors Lifetime Replacement GuaranteeThe best part of purchasing Anarchy Outdoors gear is that it comes with a Lifetime Replacement Guarantee. We pride ourselves on our high quality, precision, cutting edge gear, and we stand by the products we make with our guarantee.