- Universal: These adapters are suitable for ark-sight green/ red bore sight kit.
- Specifications : 12pcs adapters & screw will fit almost all calibers from 0.17-0.78 Cal.( include 20GA 12G)
- Quality: Plastic material is lightweight, strong, and sturdy, much stiffer than rubber, will support longer using lifetime
- Use: Comes with screws, easy to use
- Buy it to replace your broken adapters instead of re-purchasing a new boresighter .
Specifications :
[Adapter 1#]: .17 to .18 cal.
[Adapter 2#]: .22 to .243 cal.
[Adapter 3#]: .235 to .27 cal.
[Adapter 4#]: .27 to .315 cal.
[Adapter 5#]: .30 to .36 cal.
[Adapter 6#]: .335 to .40 cal.
[Adapter 7#]: .37 to .45 cal.
[Adapter 8#]: .43 to .50 cal.
[Adapter 9#]: .47 to .55 cal.
[Adapter 10#]: .535 to .61 cal.
[Adapter 11#]: .57 to .64 cal.
[Adapter 12#]: .69 to .78 cal.