Description
The ATI Mil-Sport 450 Bushmaster, 16″ Barrel, Black Parkerized, 5rd is a purpose-built, budget-friendly AR-platform rifle chambered in the hard-hitting .450 Bushmaster cartridge. It’s designed for hunters and shooters who need reliable, short-to-medium-range stopping power in a familiar, customizable platform. This rifle ships to Missouri and compliant US states.
Key Features
- .450 Bushmaster Chambering: Delivers significant energy for hunting medium to large game within 250 yards.
- 16″ Parkerized Barrel: Provides a compact, maneuverable profile ideal for dense brush or tight spaces, with a durable, corrosion-resistant finish.
- Mil-Spec Compatibility: Built on a standard AR-15 pattern, allowing for extensive customization with aftermarket handguards, stocks, and triggers.
- 5-Round Magazine: Complies with hunting regulations in many states and keeps the profile lean.
- Direct Impingement System: Offers a proven, reliable operating mechanism familiar to AR-15 users.
Specifications & Details
| Caliber | .450 Bushmaster |
|---|---|
| Barrel Length | 16 Inches |
| Finish | Black Parkerized |
| Magazine Capacity | 5 Rounds |
| Action | Direct Impingement Semi-Auto |
| Lower Receiver | Mil-Spec AR-15 |
Weighing in at approximately 7.5 lbs unloaded, the ATI Mil-Sport balances heft for recoil management with a size that won’t snag. The parkerized finish is a classic, utilitarian choice that stands up to field use. At a price point of $667.58, it represents a straightforward entry into the big-bore AR world without superfluous features. The rifle is compatible with many standard AR-15 components—think Magpul grips or a Midwest Industries handguard—making upgrades simple. Here’s the thing—when it comes to home defense in rural areas or hunting in thick timber, you need a tool that connects with authority, and the .450 Bushmaster cartridge answers that call decisively.
Who This Rifle Is For
This rifle is for the Missouri whitetail hunter who needs a straight-wall cartridge compliant rifle for the woods. It’s for the landowner who wants a capable defensive firearm for properties where shot distances are measured in tens of yards, not hundreds. It’s also a solid choice for the shooter who appreciates the AR platform but wants to step up to a more potent caliber for target shooting or hunting, all on a sensible budget. The platform is drop-in ready for a wide range of optics and lights, requiring no gunsmithing for basic setup.
Pros & Cons
Pros: Delivers formidable stopping power in a compact, maneuverable package. The mil-spec foundation allows for massive customization potential. The parkerized finish is durable and low-maintenance. Its price makes a .450 Bushmaster rifle highly accessible. The 5-round magazine is often perfect for legal hunting.
Cons: Ammunition cost is higher than common calibers like .223. Recoil is more pronounced, though manageable. The basic configuration is utilitarian—you’ll likely want to add optics and potentially a muzzle device. Magazine options are more limited than for standard AR calibers.
Frequently Asked Questions
Q: Is this rifle legal for deer hunting in Missouri?
A: Yes. The .450 Bushmaster is a straight-wall cartridge that meets Missouri’s specific requirements for certain hunting methods and zones. Always verify current regulations with the Missouri Department of Conservation before your hunt.
Q: Can I use my existing AR-15 magazines with this rifle?
A: No. The .450 Bushmaster cartridge requires specific, larger magazines due to its case dimensions. The rifle comes with a dedicated 5-round magazine, and compatible aftermarket options are available.
Q: What kind of optic should I put on this rifle?
A: For hunting within 200 yards, a low-power variable optic (LPVO) in the 1-4x or 1-6x range is an excellent choice, offering both speed for close range and precision for a clean shot. A robust red dot sight is also a viable option for fast, close-quarters target acquisition.
Ready to add this capable big-bore platform to your collection? The ATI Mil-Sport 450 Bushmaster is available at firearms-missouri.com for Missouri residents and nationwide.




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