January 11, 2012 The new Killzone from NAP features a 2″ cutting diamater for awesome entry and exit wounds. The Killzone uses NAP’s patented spring-clip design to hold the blades closed in flight and in your quiver without the need for o-rings. Share this video: Share this on Facebook (opens in new window) Share this on Twitter (opens in new window) Post a Comment Login with FacebookLogin with Google Login To Account Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ