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The .450 Bushmaster hits hard on both ends, and if you have spent any time behind one you already know the recoil can wear you down over a long day at the range. This factory Ruger American muzzle brake is built to tame that push, redirecting gases out to the sides to cut felt recoil and keep the muzzle flatter shot after shot. Since it comes straight from Ruger, fit and finish are exactly what you would expect from an OEM part rather than a generic aftermarket clone.
Less recoil means less flinch, and less flinch means tighter groups. This brake is designed to reduce recoil and muzzle rise so accuracy holds up over longer strings of fire, and it helps push blast and noise off to the sides rather than back at you. Faster, more controlled follow-up shots are the real payoff here, whether you are punching paper or chasing hogs and deer where a quick second shot matters.
This one is machined for 11/16×24 TPI threads and is made to fit the Ruger American Rifle Ranch chambered in .450 Bushmaster, and it also works on Marlin lever-action rifles in .45-70 Govt. It clocks into position with an easy-to-use external jam nut, so you do not need a shim kit or a trip to a gunsmith. A 7/8 inch box wrench or a crescent wrench is all it takes to snug it up and time it correctly.
The brake is machined from alloy steel and wears a matte black finish that shrugs off wear and holds up to weather and hard field use. It measures 2.20 inches long with a 1 inch diameter and tips the scale right around 3 ounces, so it adds real recoil control without throwing off the balance of your rifle. It ships as a single unit, ready to thread on and get to work.
It is designed for the Ruger American Rifle Ranch chambered in .450 Bushmaster, which uses 11/16×24 TPI threads. It also fits Marlin lever-action rifles chambered in .45-70 Govt that share the same thread pattern. As long as your barrel is threaded 11/16×24, this brake will thread right on.
No, this is a straightforward install you can do at home. The brake clocks into position using an external jam nut, so there is no shimming or timing headache. All you need is a 7/8 inch box wrench or a crescent wrench to snug it down.
The .450 Bushmaster is a stout cartridge, and this brake takes a noticeable bite out of the felt recoil and muzzle rise. Because it vents gas out to the sides, it also helps keep the muzzle flatter for quicker follow-up shots. You will feel the difference most over a longer session at the bench or in the field.
Yes, this is an OEM Ruger component, part number 90641, made in the USA from alloy steel with a matte black finish. Going with the factory brake means you get the correct fit and finish built specifically for the Ruger American platform rather than a generic aftermarket piece.
| UPC | 736676906413 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 90641 |
| Caliber/Gauge | .450 Bushmaster |
| Color | Black |
| Length | 2.20" |
| Model | |
| Shipping Weight | 0.209 |
| Thread Pattern | 11/16"x24 |
| Units per Box | 1 |
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