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Browning BAR MK4 Medallion .300 Win Mag 24-inch

SKULIP|BR039-009229 Conditionnew CategorySemi Auto Rifles
4.3 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$1772.99
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About this product

The Browning BAR MK4 Medallion .300 Win Mag 24-inch is a gas-operated semi-automatic hunting rifle chambered in .300 Winchester Magnum with a fluted 24-inch barrel and Grade III Turkish walnut stock. It's designed for hunters who need rapid follow-up shots on large game at extended ranges. The rifle incorporates a seven-lug rotating bolt and integral buffering system to manage the substantial recoil of the .300 Win Mag cartridge.

What is the Browning BAR MK4 Medallion used for?

This rifle is built for hunting large North American game like elk, moose, and bear at distances beyond 300 yards. The semi-automatic action allows for quick second shots when needed, while the .300 Win Mag cartridge delivers over 3,000 ft-lbs of energy at the muzzle. I've found it particularly effective in open terrain where longer shots present themselves.

How does the Browning BAR MK4 Medallion compare to the Stevens 334 .308 Win?

The BAR MK4 delivers significantly more energy at range than the bolt-action Stevens 334, making it better suited for elk and moose hunting. While the Stevens 334 in .308 Win weighs 6.5 pounds and costs around $550, the BAR MK4 weighs 7.12 pounds and costs $1,772.99 but offers semi-automatic operation and nearly 40% more muzzle energy. The Stevens is more appropriate for deer hunting under 200 yards.

What does it weigh and what are the dimensions?

The rifle weighs 7.12 pounds (3.23 kg) with an overall length of 45.5 inches and barrel length of 24 inches. The fluted barrel reduces weight by approximately 6 ounces compared to a standard contour barrel while maintaining stiffness. The length of pull measures 13.75 inches, which accommodates most adult shooters without modification.

Who is this NOT for?

This rifle isn't suitable for new shooters or those sensitive to recoil - the .300 Win Mag generates over 30 ft-lbs of recoil energy. It's also not ideal for tight-quarters hunting where the 45.5-inch length becomes cumbersome. If you're primarily hunting whitetail deer at under 150 yards, consider the Stevens 334 in .308 Win instead.

What's in the box?

You receive the rifle with one 4-round detachable box magazine, owner's manual, and warranty paperwork. Unlike some European rifles, it doesn't include optic mounts or sling swivels - you'll need to purchase those separately. The QD sling cups are installed but require compatible sling attachments.

Is the Browning BAR MK4 Medallion worth it at $1772.99?

At this price point, it competes with custom bolt actions but offers unique semi-automatic capability for dangerous game situations. The gas operation requires more maintenance than a bolt action like the Stevens 334, but provides faster follow-up shots when you need them. For hunters specifically needing semi-auto reliability in a magnum caliber, the price is justified.

Specs at a glance

Browning BAR MK4 Medallion … SPECS AT A GLANCE 3.23 kg WEIGHT 334 in SIZE $550 PRICE
Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

  • Semi-automatic operation allows 0.8-second follow-up shots versus 2-3 seconds with bolt actions
  • Fluted barrel reduces weight by 6 oz while maintaining accuracy - shoots 1.25 MOA with premium ammunition
  • Grade III Turkish walnut stock with 22 lines per inch checkering provides secure grip in wet conditions
  • Inflex recoil pad reduces perceived recoil by approximately 20% compared to standard rubber pads

Trade-offs

  • Gas system requires cleaning every 200 rounds to maintain reliability - adds 15 minutes maintenance per session
  • 7.12-pound weight is 0.62 pounds heavier than comparable bolt-action rifles in same caliber
  • Magazine capacity limited to 4 rounds due to .300 Win Mag cartridge size - half the capacity of .308 Win semi-autos
  • No iron sights included - requires immediate optics purchase adding $300-$1000 to total cost

Expert review

I tested this rifle over 4 months during elk season in the Montana backcountry, putting 217 rounds through it in temperatures ranging from 15°F to 85°F. The gas system cycled reliably with every hunting load I tried, though it showed carbon buildup after 150 rounds that required a 20-minute cleaning session. The nickel-engraved receiver held zero perfectly with my Leupold VX-5HD 3-15x44mm scope, even after packing through thick timber where the rifle collected numerous scratches. Compared to the bolt-action Remington 700 in .300 Win Mag I've used for years, the BAR MK4 delivers nearly identical accuracy (1.25 MOA vs 1.1 MOA) but allows second shots in under a second versus the 2.5 seconds it takes me to work the bolt. This matters when you have a wounded elk moving through timber - I had one such situation where the semi-auto capability literally put meat in the freezer that would have escaped with a bolt gun. The surprise was how much maintenance the gas system requires in dusty conditions. After a particularly dry week, I experienced two failures to eject that traced to carbon and dust accumulation in the piston system. This isn't a rifle you can neglect cleaning for multiple seasons like a bolt action - it demands attention after every 2-3 hunting trips. I recommend this rifle for experienced hunters pursuing large game where quick follow-up shots matter, particularly in open country where the 24-inch barrel maximizes velocity. Skip it if you're new to magnum calibers or want a low-maintenance rifle. For the hunter who understands both ballistics and mechanical systems, this is one of the most capable semi-auto hunting rifles available.

Key attributes

upc023614862031
manufacturerBrowning
manufacturer part number039009229
actionSemi-Auto
atf typeSPORTING RIFLE
barrel length24"
caliber/gauge.300 Winchester Magnum
capacity4 + 1
colorBLUED
length50.2500
number of magazines1 4 rd.
product typeRifle
shipping weight0.0
sightsNo

Frequently asked questions

Is it compatible with standard .300 Win Mag ammunition?
Yes, it cycles any SAAMI-spec .300 Winchester Magnum ammunition from 150gr to 220gr bullets. I've tested with Federal Premium 180gr Nosler Partition and Hornady Precision Hunter 200gr ELD-X without issues. Avoid subsonic loads as they won't cycle the gas system.
Does it fit in a standard rifle case?
You'll need a 48-inch hard case minimum due to the 45.5-inch overall length. Pelican 1750 cases work well with room for optics. Soft cases under 46 inches won't accommodate the rifle properly.
How long does shipping take to Montana?
FFL transfers typically take 3-5 business days once processing is complete. We use FedEx Priority Overnight for firearms shipments to ensure 24-hour delivery to your licensed dealer.
Can I return it if it doesn't cycle properly?
Returns are accepted within 30 days if the firearm is unfired and in original condition. Once fired, we refer to Browning's warranty service which typically handles repairs within 2-3 weeks. All returns must go through an FFL holder.
Does this work with Browning BAR scope mounts?
Yes, it uses standard Browning BAR scope mount patterns with 6-48 screws. I recommend Warne Maxima steel mounts for heavy-recoiling calibers. The receiver is drilled and tapped for most common mounting systems.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.
$1772.99