The Ruger .450 Bushmaster Muzzle Brake (Ruger part #90641) is a genuine Ruger factory muzzle brake. Made for the American Ranch in .450 Bushmaster, it also fits other barrels threaded 11/16″-24. It cuts recoil for better control over a long string of fire, sends noise and blast to the sides of the shooter, and clocks into place with an external jam nut.
Key Features
- Reduces recoil and muzzle rise
- Directs noise and blast to the sides
- Times with an easy external jam nut
- Installs with a 7/8″ box or crescent wrench
- Alloy steel with matte black finish
Specifications
| Type | Muzzle Brake |
| Caliber | .450 Bushmaster |
| Thread Pitch | 11/16″-24 |
| Material | Alloy Steel |
| Finish | Matte Black |
| Overall Length | 2.20″ |
| Diameter | 1″ |
| Ruger Part Number | 90641 |
| UPC | 736676906413 |
FAQ
Is this a genuine Ruger part?
Yes. This is a genuine Ruger factory part, Ruger part number 90641.
Where can I find more gun parts and accessories?
Browse gun parts and accessories at Black Bayou Armory, or call the store in Benton, LA.






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