Softair Airsoft Compact Powerpack

This is a space-saving alternative to my Modular Battery Box, sacrificing modularity in exchange for compactness and simplicity. The powerpacks are made of 3 parts:Main Box (available in several dimensions)Cap (bound to the relative Main Box)Rail Clamp (universal and modular for this system)There are 4 boxes at the moment, based on the most common batteries. The dimensions refer to the actual space inside the box and are expressed in depth x height x width. When the width is not expressed, it means it is as large as the rail clamp mechanism (28mm). The boxes are:Compact 116 x 22 mm: long and large enough for most batteriesCompact 86 x 21 mm: shorter and tighter to the batteryCompact 86 x 16 mm: the smallest space availableCompact+ 86 x 18 x 48 mm: this “+” version goes beyon the limit of the rail clamp mechanism for wider batteriesIf you need custom dimensions or there is a standard I should adapt for, just let me know. To lock the box, 2 x M3x30mm bolts are needed. I am not going to a