AIMS MBSKIT3 MBS223 AR243/264/3006/762

Aimshot MBSKIT3 Modular Rifle Boresighter Kit 243/308 Win/7.62x54mm Chamber Brass
This kit includes the original BS223 laser bore sight module as well as the AR243 and AR3006 arbors to cover most of the major calibers. They come in a nice zipper pouch.