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Customer Reviews
Most Recent Reviews
good brake, horrible coating by Paul, December 15, 2025
The hybrid break is great, works well, very solid, feels much better than the included Dead Air three prong flash hider. I have three of these however and the coatings have all been the same in that they appear much more like a phosphate coating, wit...
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Product Info for Blackout Defense Keymo Hybrid Muzze Device

They are officially licensed and approved by Dead Air Silencers to incorporate their KeyMo mount design with their muzzle device designs. The KeyMo Hybrid is compatible with Dead Airs KeyMo-equipped silencers.image

Specifications for Blackout Defense Keymo Hybrid Muzze Device:

Manufacturer: Blackout Defense
Finish: Nitride
Fabric/Material: 17-4 Stainless Steel

Features of Blackout Defense Keymo Hybrid Muzze Device

  • In-house heat treated to condition H900 for a through-hardness of 45-47 HRC
  • 17-4 stainless steel that is heat treated to condition H900 exhibits 14% higher ultimate tensile strength over hardened 4140 steel
  • Every 90 degree corner is machined with undercut profiles to improve seal and engagement with the suppressor
  • 4 jet ports drilled at 51 degrees to direct gas forward and away from the shooter
  • 2 jet ports at 12 oclock, 1 at 4 oclock and 1 at 8 oclock
  • Recessed jet ports with a flat face to reduce carbon buildup on the device and improve ease of separation with a suppressor
  • Forward-directed gas reduces muzzle rise, softens recoil, and pushes all explosive gasses away from the shooter
  • Closed-prong design reduces flash and eliminates tuning-fork ping

Package Contents:

  • Blackout Defense Keymo Hybrid Muzze Device
  • Shim kit

Blackout Defense Keymo Hybrid Muzze Device Orderable Models

List of Orderable Models

  • Blackout Defense 1/2-28 Keymo Hybrid Muzze Device, H900, Bronze, MUZZLE-1/2-KEYMO-HYB-H900 , MPN: MUZZLE-1/2-KEYMO-HYB-H900 , UPC: 850023922458 , Code: 4Q9-BFH-TB13-MUZZLE-1-2-KEYMO-HYB-H900
  • Blackout Defense 5/8-24 Keymo Hybrid Muzzle Device, H900, Bronze, MUZZLE-5/8-KEYMO-HYB-H900 , MPN: MUZZLE-5/8-KEYMO-HYB-H900 , UPC: 850023922519 , Code: 4Q9-BFH-TB13-MUZZLE-5-8-KEYMO-HYB-H900
  • Blackout Defense 1/2-28 Keymo Hybrid Muzze Device, Black, MUZZLE-1/2-KEYMO-HYB-BLK , MPN: MUZZLE-1/2-KEYMO-HYB-BLK , UPC: 850023922441 , Code: 4Q9-BFH-TB13-MUZZLE-1-2-KEYMO-HYB-BLK
  • Blackout Defense 5/8-24 Keymo Hybrid Muzze Device, Black, MUZZLE-5/8-KEYMO-HYB-BLK , MPN: MUZZLE-5/8-KEYMO-HYB-BLK , UPC: 850023922502 , Code: 4Q9-BFH-TB13-MUZZLE-5-8-KEYMO-HYB-BLK
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