Description
Picture this: you’re in a Missouri bottomland stand, the sun’s just starting to peek through the timber, and you know that at any moment, a big whitetail could step out at 150 yards. You need a rifle that’s as steady as your nerves, hits with authority, and doesn’t require a degree in gunsmithing to get ready. That’s the exact scenario where the Bergara HMR PRO .450 Bushmaster, 20″ Threaded Barrel, Bergara HMR Molded Mini-Chassis, Gray/Black, 5rd shines. I’ve put a few boxes of Hornady Black through this rig, and it’s built for that one clean, decisive shot.
The Bergara HMR PRO .450 Bushmaster is a purpose-built, straight-pull bolt-action rifle chambered in the hard-hitting .450 Bushmaster cartridge. It features a 20-inch threaded barrel, a proprietary molded mini-chassis system for enhanced stability, and comes in a distinctive gray/black finish with a 5-round magazine. It’s designed for hunters in regulated states or anyone who wants a potent, short-to-medium-range big-game rifle.
Let’s talk about the heart of this system: the .450 Bushmaster cartridge. This isn’t a long-range pinger; it’s a close-quarters hammer. Out of that 20-inch barrel, you’re launching a heavy .45-caliber projectile with enough energy to ethically take any big game in North America at sensible woods distances. The threaded muzzle is a huge plus, ready for a muzzle brake or suppressor right out of the box—no gunsmithing required. That means you can tame the already manageable recoil even further, which is a welcome feature when you’re sending 250+ grain bullets downrange.
The “HMR” in the name stands for Hunting & Match Rifle, and the “PRO” designation gets you Bergara’s premium features. The action is buttery smooth, a signature of their Remington 700 footprint design. Here’s the thing—that molded mini-chassis isn’t just for looks. It stiffens the whole platform, providing a rock-solid bedding surface for the action and a rigid foundation for the free-floated barrel. This directly translates to consistency, shot after shot. The gray/black Cerakote finish isn’t just tough; it’s practical for breaking up your outline in the field.
Weighing in at approximately 9.5 pounds unscoped, it’s a stable platform that soaks up recoil. The adjustable trigger is crisp and can be tuned down to about 2.5 pounds, a feature you’ll appreciate when making a precise shot. The stock is fully adjustable for length of pull and comb height, so you can get a perfect cheek weld and fit for virtually any shooter. At $1550.99, you’re getting a complete, no-compromise system ready for optics and a trip to the range or timber.
| Specification | Detail |
|---|---|
| Caliber | .450 Bushmaster |
| Barrel Length | 20″ Threaded (5/8-24) |
| Action Type | Bolt Action |
| Magazine Capacity | 5 Rounds |
| Stock/Chassis | Bergara HMR Molded Mini-Chassis, Adjustable |
| Finish | Gray/Black Cerakote |
Pros: The .450 Bushmaster is a devastatingly effective cartridge for thick cover and short ranges. The mini-chassis and adjustable stock offer incredible stability and custom fit. The threaded barrel and superb out-of-the-box trigger are premium features that save you time and money. The entire package is drop-in ready for your optic and a trip afield.
Cons: It’s a specialized tool. The .450 BM has significant bullet drop past 200 yards and ammo is more expensive than common rifle calibers. The rifle’s weight aids stability but might feel hefty on a long carry. This is not a plinking rifle; it’s a hunter.
So who is this rifle for? Primarily, it’s for the Missouri or Midwestern hunter who needs a straight-wall cartridge compliant for deer season. It’s also for any hunter pursuing bear, boar, or large game in dense brush where shots are inside 200 yards. If you appreciate a precision-built bolt gun that doesn’t need aftermarket work to perform, this is your rifle. It’s available at firearms-missouri.com for Missouri residents and nationwide to compliant states.
Frequently Asked Questions
Q: Is the magazine proprietary, or can I use other .450 Bushmaster magazines?
A: The rifle uses Bergara’s proprietary magazine system designed for the HMR PRO chassis. It is not compatible with standard AR-style .450 Bushmaster magazines, but spare 5-round mags are readily available.
Q: What optics rail does it use?
A: It comes with a Picatinny rail section installed, offering maximum compatibility with virtually all modern rifle scopes and mounts from brands like Vortex, Leupold, and Nightforce.
Q: Can this action be swapped into another stock?
A: Yes. Because it uses the Remington 700 short-action footprint, the barreled action is compatible with the vast majority of aftermarket stocks and chassis systems designed for the R700 SA, giving you long-term flexibility.
If you’re looking for a turn-key solution for straight-wall hunting that brings match-grade build quality to the woods, the Bergara HMR PRO .450 Bushmaster deserves a close look. Check its availability on our site.
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