I’ll rock up, with coil sprung m4…
Every shots a 420 fps bruiser…!!
“Oh, your 16 shot mag is empty?.??
I’ve got 200 more, ready to go…!!”
Thats alright, my brother will cover me with his minimi while I reload 
I feel like there’s better ways to have the mag powered than an audio sensor…
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You might have seen this already. Someone asked him how it was powered.
The answer - The adapter activates as you pump the grip, and loads gels in.
Well he said it was a “sound sensor” in that doc you posted earlier so I assume it triggers from the sound of the pump being racked back.
Unless he’s changed it since.
Just a small addition
Simple little muzzle, uses an o-ring to friction fit inside outer barrel, doesn’t interfere with gels, I might be imagining it but it seemed like it changed the sound a bit too.
Got a Duckbill one to print too.
Duckbill done, just based it on a plain real steel one.
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Wonder if old mates had any progress on his fancy sound activated mag adaptor?
Haven’t really done much with my own efforts thou, but do have a number of ideas on how to do it, skill willing.
I don’t know either. Good idea.
Did an awesome job on the nade pouches. Thanks for sharing that process, very impressive 
