Why wouldn’t you? - FAB Defense GL CORE MAG CP - M4 Survival Buttstock w/ Built-in Mag Carrier

Out of all the options there are for AR stocks I find this one the most useful. The included magazine needs a little slap when going into my lower, but the stock is a universal fit, so you can carry any mags in there. My one suggestion for improvement would be to have the mag release button on right side instead of the left. This way you could remove an empty magazine from the lower, and then “remove” the full magazine from the stock with the same ergonomic action. An actual secondary AR mag catch duplicated on the stock would make even more sense. Overall a fantastic addition still.