Monstrum Level Bubble Products are built to check for proper vertical alignment of your rifle
Imperfect vertical alignment of your scope when shooting introduces scope cant error - horizontal drift of your shots due to cant - An anti-cant level bubble corrects for this issue, allowing you to quickly check for proper alignment of your rifle before each shot.
The level bubble attaches to your picatinny rail with a low profile design that slots in at the base of your of your rifle scope and can be folded up when not in use
Crafted from lightweight 6061 grade aluminum
All Monstrum optics and accessory products come with a lifetime guarantee