Airlock Zero Gravity 30

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AEROSPACE-GRADE HEARING PROTECTION DEVICES
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Jun 30, 2025
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Hey everyone,

We finished a few more Zero Gravity 30 prototypes and did some initial testing today.

We still need to collect more data, verify accuracy, and complete durability testing, but below is a prototype on a 20” .300 Win Mag.

We couldn’t quite wrap our heads around the dB numbers, so we ran back-to-back testing against a Harvester Evo just to make sure and it came in at 134–135 dB(A) on the same rifle, at the same time.

Current prototypes are 6” long and under 8 oz, with the end cap and 5/8-24 mount printed in just like our other Zero Gravities.

Once we get back from SHOT, we’ll be doing more dB testing against several other suppressors and do accuracy and durability validation.

More coming soon.
-Danny

 
Im already sold.

“With the end cap…” are these going to have removable end caps or a version with a built in brake?
 
I’m following, but if you truly got 129-130dba from a 20” 300WM, I’ll buy six. The only question I would have is does it need that much gas/pressure to work correctly or will it work as well on a smaller cartridge or longer barrel?
 
These are built the same way as our other Zero Gravity cans with a printed end cap.

We’ll offer a braked version later, right now we’re prioritizing weight, suppression, and size.
Will you be sending any of these to PEW Science? Anxious to see what these will test out like compared to other cans in their controlled environment.
 
Will you be sending any of these to PEW Science? Anxious to see what these will test out like compared to other cans in their controlled environment.

Nah, Pew charges on both ends. The TBAC Summit next August is going to be really interesting.
 
It will work on longer barrels and smaller cartridges. It was 126-125 dB(a) SE on a 20” 308, I’ll shoot it on a 22” 6.5 Creed tomorrow and do more 300 testing.

Yes, very interested in 6.5 and 6mm numbers if someone was looking for max suppression for those calibers.

Does your equipment register the supersonic crack at shooter ear? I’m guessing you’re only a decibel or two off from being equal on the .308 somewhere in the 124 range.


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