Description
The Mossberg Patriot Carbine in .450 Bushmaster is built for hunters who need a compact, hard-hitting bolt gun — particularly in jurisdictions that restrict straight-wall rifle cartridges, where .450 Bushmaster has become a serious deer and hog cartridge. The platform handles that role well: the 18-inch barrel keeps the overall package short enough for tight ground blinds and dense timber without sacrificing enough velocity to matter at the ranges where this round is realistically used.
The 1-in-24 twist rate is suited to the heavier, wide-diameter projectiles .450 Bushmaster is built around — typically 250- to 300-grain bullets. A faster twist would be unnecessary for that weight range and could over-stabilize lighter cast or plinking loads. Handloaders selecting projectiles should keep that twist preference in mind when matching bullet length to stabilization.
The barrel is threaded at 11/16-24 TPI, which is the conventional pattern for this bore diameter. That means the rifle accepts muzzle devices sized for .450 Bushmaster without an adapter, and it pairs directly with suppressors cut to that thread spec. The medium bull contour adds rigidity and shifts the weight balance forward, which tends to reduce the sensation of muzzle rise on a cartridge that produces meaningful recoil in a six-pound rifle.
A top-mounted Picatinny rail replaces iron sights entirely, so an optic is required out of the box — plan accordingly. The spiral-fluted bolt reduces rotating mass slightly and makes debris clearance easier in field conditions. Mossberg’s LBA trigger is user-adjustable between two and seven pounds, which lets a hunter dial in a pull weight appropriate for gloves-on cold-weather shooting without a trip to a gunsmith.
Shipping and availability: This item must ship to a licensed FFL dealer for transfer.




