AimShot 301 PRC/6.5 PRC Rifle Arbor .223 Laser Boresight. 5 PRC arbor for use with any of the AimShot 223 laser bore sights. This arbor will fit over any of the AimShot 223 laser bore sights and allow you to bore sight any 300 PRC and 6.5 PRC Precision Rifle Cartridge rifles. This will also work in most wildcat cases that have the same taper/diameter bodies. Specifications for AimShot 300 PRC/6.5 PRC Rifle Arbor: Manufacturer: AimShot Caliber: 6mm ARC Dimensions: 1.25 x 6.65 x 4.15 in Package Contents: AimShot 300 PRC/6.5 PRC Rifle Arbor AimShot ZRPRC: 301 PRC/6.5 PRC Rifle Arbor .223 Laser Boresight