Montageringe 25,4 mm, Høj, 11 mm fod gas which means you can use

which means you can use it in most gearboxes for the M4 platform

They have a bit of saftetape inside so that the sights are well protected when using them

Doctor Pistol Sights

The stock tube requires a short rear end on the lower receiver and a rear-out pipe

Montageringe 25,4 mm, Høj, 11 mm fod gas which means you can useVector Optics has produced some solid mounting rings in 6063 T6 aircraft grade aluminum. They are solid and are screwed together with 4 screws to secure the scope better. They also come with thumbscrews to screw onto the rail. It fits 25. 4 mm tubes (1"), which is the most common. The base of the mounting rings is 11 mm dovetail, which means they fit many different air rifles, e. g. They have a height of 34 mm.