Mercu Bubble Level for 30mm Picatinny Weaver Rail Rifle Sight Scope Mount (1pcs)
- Error-proof - Make sure your scope is absolutely level.
- Impact resistant, can be used for real fire caliber and air rifle.
- Suitable for 20 mm lead rails.
- Attaches directly to the knitting machine/picatinny dovetail, ensuring that drilling and marking lines are aligned at a glance.
- It can be placed in front, behind or under the scope.
- Error-proof - Make sure your scope is absolutely level.
- Impact resistant, can be used for real fire caliber and air rifle.
- Suitable for 20 mm lead rails.
- Attaches directly to the knitting machine/picatinny dovetail, ensuring that drilling and marking lines are aligned at a glance.
- It can be placed in front, behind or under the scope.
