Dead Air KeyMo Muzzle Brake .46 .578-28
$65.94
Transform your shooting experience with the Dead Air KeyMo Muzzle Brake .46 .578-28, designed for seamless attachment to your Sandman Series or KeyMo equipped suppressor. Enjoy a flatter shooting rifle with minimal concussion, making it the finest brake on the market for both suppressed and unsuppressed shooting.
1 in stock
The KeyMo Muzzle Brake is your gateway to silence. When you’re ready for peace and quiet use the KeyMo brake to quickly attach your Sandman Series or KeyMo equipped suppressor to your rifle. If you’re not quite ready to turn up the silence you can still employ the finest brake on the market and experience a flatter shooting rifle with minimal concussion compared to traditional muzzle brakes.
| Weight | 0.238 lbs |
|---|---|
| Dimensions | 5.850 × 4.500 × 1.000 in |
| Manufacturer | Dead Air Silencers |
| Caliber | .46 |
| Thread Pattern | .578-28 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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