This BSA BoreSighter Kit is designed for the alignment of firearm optics or iron sights with the barrel bore. The kit includes a single optical bore sighter unit featuring a gold-tone BSA winged logo and a set of 15 chrome-plated metal arbors. The arbors are organized within a custom-molded black plastic hard case with labeled slots for the following calibers: .177, .22, 6mm, .25, 6.5mm, .27, 7mm, .30, .32, .338, .35, .375, .44, .45, and .50. The kit also contains a green cleaning cloth in its original plastic wrap and a silica gel packet. Serial Number: [not visible.

The kit is in very good, complete condition with minimal signs of wear. The optical unit and metal arbors appear well-preserved. The plastic case is intact and functional.