Description
The Mossberg Patriot Carbine .450 Bushmaster 18″ Threaded Multicam is a compact bolt-action rifle built for hunters who need a short, maneuverable package without giving up knockdown power. Chambered in .450 Bushmaster, this carbine pairs an 18-inch threaded bull barrel with a MultiCam synthetic stock and a Patriot Brown Cerakote finish. It’s ready for optics, suppressors, and tight cover.
| Manufacturer | Mossberg (per manufacturer specs) |
|---|---|
| Model | Patriot Carbine |
| Caliber | .450 Bushmaster |
| Barrel Length | 18 inches |
| Barrel Profile | Threaded bull barrel (5/8×24 thread pitch) |
| Stock | MultiCam synthetic |
| Finish | Patriot Brown Cerakote on barrel and action |
| Weight | 6.5 lbs (per Mossberg specs) |
| Condition | New |
Key Features
- Spiral-Fluted Bolt – Reduces friction and cycling effort, so you stay on target during follow-up shots. Why it matters: smoother operation means faster reloads when a buck steps out at 50 yards.
- Adjustable LBA Trigger – The Lightning Bolt Action trigger lets you set pull weight from 2 to 7 pounds. Why it matters: dial in a crisp break for precision, or a heavier pull for cold-weather gloves.
- Top-Mounted Picatinny Rail – Factory-installed, 20 MOA rail for mounting scopes or red dots without aftermarket adapters. Why it matters: get your optic on and zeroed fast, no gunsmithing required.
- 18″ Threaded Bull Barrel – Short enough to carry through brush, threaded 5/8×24 for muzzle brakes or suppressors. Why it matters: keeps noise and recoil manageable, especially with .450 Bushmaster’s thump.
- MultiCam Synthetic Stock – Lightweight, weatherproof, and textured grip panels. Why it matters: won’t warp in rain or snow, and the camo pattern blends into hardwoods or open fields.
Who It’s For
This carbine is for hunters who work thick cover, timber, or swamp edges where shots are close and quick. It’s also a solid choice for backcountry hunters who want a lightweight rifle that packs a .45-caliber punch. If you’re a whitetail hunter in states with straight-wall cartridge restrictions, the .450 Bushmaster is legal and effective out to 200 yards.
Pros & Cons
- Pros: Compact and light (6.5 lbs), adjustable trigger, threaded barrel for suppressor use, durable Cerakote finish, Picatinny rail included.
- Cons: Magazine capacity is limited to 4 rounds (per Mossberg specs), and the .450 Bushmaster ammo is heavier and pricier than .308 or .30-06. Also, the bull barrel adds some front-end weight, though it aids stability.
Comparison vs. Competitors
| Feature | Mossberg Patriot Carbine .450 Bushmaster | Ruger American Ranch .450 Bushmaster | Winchester XPR .450 Bushmaster |
|---|---|---|---|
| Barrel Length | 18″ threaded bull | 16.1″ threaded | 20″ threaded |
| Weight | 6.5 lbs | 6.0 lbs | 6.8 lbs |
| Trigger | Adjustable LBA (2–7 lbs) | Adjustable Marksman (3–5 lbs) | MOA Trigger System |
| Stock | MultiCam synthetic | Black synthetic | Black synthetic |
| Rail | Picatinny (included) | Picatinny (included) | Drilled and tapped for bases |
| Price | $496.55 | $529.00 | $599.00 |
FAQ
What is the thread pitch on the Mossberg Patriot Carbine .450 Bushmaster barrel?
The barrel is threaded 5/8×24, which is standard for .45-caliber muzzle devices and suppressors. Per Mossberg specs, it comes with a thread protector installed.
Does this rifle come with a scope or rings?
No, the Mossberg Patriot Carbine .450 Bushmaster is sold without optics. It includes a Picatinny rail, so you can mount your own rings and scope or red dot.
What is the magazine capacity?
The rifle uses a detachable box magazine that holds 4 rounds of .450 Bushmaster. It’s a single-stack design for reliable feeding.
Is the .450 Bushmaster legal for deer hunting in my state?
Many Midwestern and Eastern states allow straight-wall cartridges like .450 Bushmaster for deer hunting. Check your local regulations, but it’s legal in Ohio, Michigan, Indiana, Pennsylvania, and others. It’s also popular in states with restricted rifle zones.
According to the National Shooting Sports Foundation, rifles chambered in .450 Bushmaster have seen a 22% increase in sales among hunters over the past three years. That tells me this caliber is earning its keep in the field.
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Last updated: April 2026
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