NcSTAR AR15 Chamber Brush. OpticsPlanet Inc is an Authorized US Distributor for NcSTAR Cleaning Kits. Specifications for NcSTAR AR15 Chamber Brush: Gun Model: AR15 Package Contents: NcStar TBCAR15 AR15 Chamber Brush We offer complete line of NcSTAR Cleaning Kits. For our complete selection of products by NcSTAR on sale please visit our NcSTAR page. For more Cleaning Kits please visit our Cleaning Kits store section. What firearm models does the manufacturer say NcSTAR AR15 Chamber Brush is compatible with? The manufacturer says that NcSTAR AR15 Chamber Brush is compatible with AR-15NcSTAR AR15 Chamber Brush TBCAR15