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Buffalo Bore Heavy .444 Marlin 300gr JFN Ammo – 20 Round Box

UPC: 651815009025

$72.99

5 in stock

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Description

When you're carrying a lever gun into bear country or chasing big hogs in thick timber, you want a load that hits hard and drives deep. Buffalo Bore's Heavy .444 Marlin does exactly that, pushing a 300-grain semi-jacketed flat point bullet at a stout 2,150 fps from the muzzle with roughly 3,078 ft-lbs of energy behind it. This is made-in-Montana ammo built for real hunting, not paper punching, and it turns the classic .444 Marlin into the hard-hitting workhorse it was always meant to be.

What Makes This Heavy .444 Marlin Load Hit So Hard

The 300-grain semi-jacketed flat point is the star here. That flat nose transfers energy fast and cuts a wide wound channel, while the heavier jacketed construction holds together for the deep, straight-line penetration you need to reach vitals through heavy bone and muscle. Hunters running everything from Marlin 336 and 444 lever guns to shortened timber carbines report clean pass-throughs on hogs and bear, with velocities holding strong even out of shorter barrels. The flat point profile also feeds smooth and stacks safely in tubular magazines, which matters when you're cycling a lever gun in a hurry.

Field-Tested Buffalo Bore Ammunition You Can Trust

One thing that sets Buffalo Bore apart is how they test. Rather than pulling numbers from a lab test barrel, they chronograph and field-test in real over-the-counter rifles, so the velocities you see are closer to what your gun will actually deliver. Loaded in fresh brass cases, this ammo runs reliably and gives you consistent, repeatable performance shot after shot.

Who Should Reach for the .444 Marlin 300gr

This is a purpose-built hunting round for anyone who leans on a .444 Marlin for larger, tougher game. Bear guides, hog hunters, and backcountry hunters who want maximum authority from a lever action will feel right at home with it. If your rifle is chambered in .444 Marlin and in good working order, this load gives you the kind of thump that makes the caliber legendary.

Key Specifications

  • Manufacturer: Buffalo Bore Ammunition
  • Manufacturer Part Number: 9B/20
  • UPC: 651815009025
  • Caliber: .444 Marlin
  • Bullet Weight: 300 gr
  • Bullet Type: Semi-Jacketed Flat Point (JFN)
  • Muzzle Velocity: 2,150 fps
  • Muzzle Energy: 3,078 ft-lbs
  • Case Material: Brass
  • Rounds Per Box: 20
  • Application: Hunting, Target
  • Series: Heavy / Strictly Business
  • Country of Origin: USA (Made in Montana)

What’s Included

  • 20 rounds of Buffalo Bore Heavy .444 Marlin 300gr Semi-Jacketed Flat Point ammunition

Frequently Asked Questions

What kind of game is the Buffalo Bore Heavy .444 Marlin good for?

This 300-grain load is built for larger, tougher game like black bear and wild hogs, and it's a favorite among bear hunters running lever guns. The heavy flat point bullet delivers deep penetration and reliable energy transfer to reach vitals through heavy bone. Plenty of hunters report clean pass-throughs even on big boars.

What velocity does this .444 Marlin load actually produce?

Buffalo Bore lists a muzzle velocity of about 2,150 fps with roughly 3,078 ft-lbs of energy. What's notable is that Buffalo Bore chronographs in real over-the-counter rifles instead of lab test barrels, so those numbers are close to what your gun will deliver. Hunters using shorter carbine barrels still report strong velocities in the 2,000 fps range.

Will this ammo work in my Marlin lever action?

Yes, it's recommended for any firearm chambered in .444 Marlin that's in normal working condition, including popular models like the Marlin 336 and 444. The semi-jacketed flat point profile feeds smoothly and stacks safely in tubular magazines. As always, make sure your rifle is chambered specifically for .444 Marlin before loading up.

Is the .444 Marlin 300gr semi-jacketed flat point good for hunting or target use?

It's primarily a hunting round, and that's where it shines with its deep penetration and hard-hitting terminal performance. You can certainly run it at the range to confirm zero and get comfortable with the recoil, but its real purpose is putting down big game. Most folks sight in with a few rounds and save the rest for the field.

Additional information

UPC

651815009025

Manufacturer

Manufacturer Part Number

9B20

Caliber/Gauge

.444 Marlin

Case Material

Brass

Grains

300 gr

Units per Box

20

Cost per Round

3.65

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