Dead AirKeyMo 46 Muzzle Brake .578x28
Muzzle Device · attaches to .578x28 · presents Dead Air KeyMo · fits 614 suppressors in the catalog
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length
2.58″
weight
3.5 oz
thread
.578x28
+3 more thread pitches
material
4140HT - Chromium-Molybdenum Heat Treated Steel
standard
Dead Air KeyMo
MSRP
$89
A barrel adapter screws onto your rifle's threaded muzzle and stays there. It gives the muzzle a mounting interface, so the suppressor attaches to the adapter instead of the bare barrel threads. One adapter per rifle lets you move one suppressor between them. Many are quick-detach designs, and some also work as a muzzle brake or flash hider.
This one fits barrels threaded .578x28 and presents the Dead Air KeyMo interface. A suppressor with a matching Dead Air KeyMo mount attaches to it. It comes in 4 thread pitches, so pick the one that matches your barrel.
How mounting systems work →Photos
Image: Dead Air
- Type
- Muzzle Device
- Overall length
- 2.58″
- Weight
- 3.5 oz
- Material
- 4140HT - Chromium-Molybdenum Heat Treated Steel
- Attaches to
- .578x28
- Presents
- Dead Air KeyMo
- HUB compatible
- Yes
- Tool access
- rear
- MSRP
- $89
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
614 suppressors in the catalog take this part, across 92 manufacturers including AAC, AB Suppressor, Abel Co. You aren't locked into one manufacturer's suppressors.
- Dead Air CT5P
- AAC 300-SD
- AB Suppressor A-10 5.56
- …and 611 more.
Which ones fit your barrel and host?
See all 614 in the Builder- .578x28
- 11/16x24
- 5/8x24
- 5/8x32
Dead Air sells this part in 4 thread pitches. They are one product on this page; pick the pitch that matches your barrel in the Builder.