Universal Magazine System.

The mounting brackets are fully adjustable to accommodate various heights of breech and also dovetail widths.
The magazine system will fit rifles with the following.
1. The breech height 'H' must be between 7mm and 15mm tall.
2 .177 pellet probe must no higher than 2.5mm in dimension 'P' .22 pellet probe must no higher than 3.0mm in dimension.
3. The pellet probe must withdraw to give a gap 'G' of 13mm or greater.
4. The area either side of the pellet groove should be flat.