Picture of AEG Battery Butt Compartment
AEG Battery Butt Compartment aka APS Patriot butt tube

reference picture from http://img01.militaryblog.jp/

making a butt battery compartment from a refillable ketchup cylinder container

Step 1:

Picture of
sample picture of a ketchup refillable container
butt, butt.
maomag (author)  astral_mage1 year ago
yeah front butt and rear butt hahaha