This arbor is used in conjunction with Aimshot .223 Laser Bore Sight This arbor is used for all of the following calibers: - 264 Win, 300 Win, 7mm Mag, 300 Weatherby, 270 Weatherby, 7mm Weatherby, 340 Weatherby, 257 Weatherby, 8mm, .358 Norma Mag, .308 Norma Mag, .416 Rem Mag, 7mm Shooting Times Westerner

Manufacturer Website:
www.aimshot.com

Aimshot 264 Arbors 264, 7mmMag, 300 Winchester, 300 Weatherby / Optics > Bore Sighting / Aimshot 264