Odin Works Crowfoot 1-1/4'' For .223 Ar Style Barrel Nuts ACC-1 1/4 Crowfoot-223. 223 AR style barrel nut that has a knurled nut face that Crowfoot's .223 AR style barrel nut. It significantly reduces the risk of an exploded nut due to sliding. The crowfoot is designed to slide into place and hold the barrel nut firmly in place. The added benefit is that the barrel nut will rotate out of the way for removal. Crowfoot's unique double hex design requires a tool less assembly and an open center wrench for tightening. Requires an Odin Works Crowfoot Tool and an Odin Works Crowfoot Nut (both sold separately). Specifications for Odin Works Odin Crowfoot 1-1/4" For .223 Ar Style Barrel Nuts: Type/color: Crowfoot Size/finish: 1-1/4" Material: Steel Ar-15 accessory: Y Other features: Odin uses 1-1/4" barrel nuts on their 223 barrel nuts Dimension: 0.85 x 3.05 x 3.75 Height: 0.8500 Width: 3.0500 Length: 3.7500 Package Contents: Odin Works Odin Crowfoot 1-1/4" For .223 Ar Style Barrel Nuts The Odin Works Odin Crowfoot 1-1/4" For .223 Ar Style Barrel Nuts is a quality addition to the ODIN Works lineup. For more great deals on Gunsmithing Tools by ODIN Works please browse our ODIN Works Gunsmithing Equipment page. Odin Works Odin Crowfoot 1-1/4'' For .223 Ar Style Barrel Nuts