X-Accu 30mm One Piece Mount with Cosine Indicator | Cantilever | Picatinny Rail | Vector Optics

Vector Optics X-Accu 30mm One Piece Mount with Cosine Indicator

Looking for a mount that not only holds your rifle scope firmly in place, but also helps you aim more accurately? This optic mount for airsoft and air rifle from Vector Optics combines a cantilever design with a built-in angle indicator and spirit level – ideal when you want to work with precision at greater distances.

Our thoughts on this mount

What immediately stood out to us: this mount simply feels solid. Fully CNC-machined from 6061-T6 aluminium, with four screws per ring and an anti-retreat bar that prevents the mount from shifting under recoil. The built-in Angle Indicator and the small spirit level are the real highlight – at a glance, you can see whether your setup is level and at what angle you are working. For those who like to aim at distance, this is a surprisingly practical addition.

Technical and optical performance

This mount is designed for scopes with a tube diameter of 30 mm. The ring height is 40 mm, with a centre height of 38 mm (measured from the bottom to the centre) – more than sufficient for larger objective lenses. The cosine indicator helps you assess the shooting angle, while the spirit level ensures your sighting device remains properly horizontal. This makes a real difference when placing consistent shots at longer distances.

In terms of construction, this is a cantilever mount: weighing just 167 grams and measuring 138 mm in length, it is lightweight yet robust. The finish is a clean Black Matte. Want to review all torque values and dimensions? Take a look at the 'More information' tab.

Mounting and compatibility

This mount is designed for a Picatinny rail – the standard found on many airsoft replicas and PCP air rifles. Thanks to the 21 mm Picatinny base with two cross bolts and anti-retreat bar, it sits securely and offers broad compatibility. This is a standalone mount intended for fitting your own 30 mm scope, so a rifle scope is not included.

Handy: the packaging includes a T15 Torx key, so you can get straight to work tightening the rings and the base.

Who is this mount intended for?

This mount is ideal for the experienced sport shooter or dedicated airsoft player who wants to mount a rifle scope on a Picatinny rail and values precision. The angle indicator and spirit level make it particularly interesting for static shooting setups or situations where you want to aim consistently at greater distances. If you like to maintain control over the angle and horizontal alignment of your optics, this is an excellent choice.

Ready to add this airsoft optic mount to your setup?