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.300 HAMR 135gr Hornady FTX Ammunition – 20/Box

UPC: 810025503697

$46.99

68 in stock

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Description

The Wilson Combat .300 HAMR 135 grain Hornady FTX load hits the sweet spot for hunters and folks who want serious terminal performance without breaking the bank on ammo or running oversized recoil. This cartridge carries real field credibility, having been tested extensively on game throughout the country and proven in countless hunting situations.

Reliable Expansion and Proven Terminal Performance

The FTX design (Hornady's FlexTip projectile) has been engineered to expand consistently at the velocities this round delivers. Out of an 18-inch barrel, this load runs around 2,430 feet per second, generating approximately 1,770 foot-pounds of muzzle energy. What matters most is what happens on target: the bullet initiates expansion early and maintains integrity through the wound channel, which is why you see hunters reporting clean, ethical kills without needing backup shots. Wilson Combat's terminal performance testing on thousands of game animals has shown this load works across everything from whitetail deer to feral hogs and larger game.

Accuracy That Surprises People

You'll frequently see reports of sub-MOA accuracy with this ammunition, even when switching between different bullet weights in the same magazine. The quality control from Wilson Combat's manufacturing process shows itself immediately at the range. Most barrels, particularly 1-15 twist configurations, digest this round extremely well, though some shooters have noted it performs well across a variety of twist rates. That kind of consistency means you can trust your zero and your hits, whether you're at 50 yards or stretching out to 200.

Clean and Practical for Field Use

The brass is domestic, and Wilson Combat specifies clean-burning powders throughout their line. If you're planning to suppress your .300 HAMR or shoot any extended sessions, this matters. Less fouling means less cleaning downtime and maintains your night vision better in low-light situations. The ammunition feeds reliably through standard .300 Blackout magazines (Lancer, D&H, MagPul, or Wilson Combat branded), so there's no need for specialized equipment.

What You Get

Each box contains 20 rounds of factory-loaded ammunition ready to shoot. The .300 HAMR cartridge itself was SAAMI-approved in 2020, meaning this is legitimate industry-standard ammunition with support from multiple manufacturers for brass, components, and reloading supplies if you want to handload.

Key Specifications

  • Caliber: .300 HAMR
  • Bullet Weight: 135 grains
  • Bullet Type: Hornady FTX (Polymer Tip)
  • Case Type: Brass
  • Muzzle Velocity (18" barrel): 2,430 ft/s
  • Muzzle Energy: 1,770 ft-lbs
  • Rounds Per Box: 20
  • Manufacturer: Wilson Combat
  • Manufacturer Part Number: A300HMR135FTX
  • UPC: 810025503697
  • Primer: Centerfire
  • Application: Hunting, Tactical/Self-Defense
  • Case Length: 1.603 inches
  • Overall Length: 2.260 inches
  • Magazine Compatibility: .300 Blackout pattern (Lancer, D&H, MagPul, Wilson Combat)

What’s Included

  • 20 rounds of .300 HAMR 135gr Hornady FTX ammunition
  • Brass cases with centerfire primers
  • Factory-loaded and ready to shoot

Frequently Asked Questions

What kind of accuracy should I expect from this .300 HAMR load?

This ammunition has earned a solid reputation for delivering sub-MOA accuracy in most barrels, particularly those with a 1-15 twist rate. Many users report tight groups around the one-inch mark at 100 yards, and some achieve noticeably tighter groups depending on barrel quality and setup. The real standout feature is consistency across different shooting conditions and weapons.

Is the 135gr FTX the best .300 HAMR load for hunting?

The 135gr FTX is definitely a strong choice for hunting applications, particularly for medium game like deer and hogs. Wilson Combat themselves recommend it for both whitetail deer and larger game. That said, they offer other weights (110-150 grains) optimized for different scenarios, so the best choice depends on what you're hunting and the ranges you expect to shoot.

Can I use this ammunition in any standard AR-15?

You'll need a rifle chambered specifically for .300 HAMR, which means a dedicated barrel. The good news is it uses the same bolt and magazines as .300 Blackout-pattern firearms, so converting an existing AR-15 just requires a barrel swap. This ammunition will not work safely in .223 Remington or .300 Blackout chambers.

How does the .300 HAMR compare to other AR-15 cartridges?

The .300 HAMR delivers significantly more ballistic performance than .300 Blackout or 7.62×39 in supersonic use. It was designed to match or exceed .30-30 Winchester performance from an AR platform while maintaining the same magazine compatibility and minimal platform modifications. You get flatter trajectory, retained energy, and better terminal performance across practical hunting ranges without adding weight or recoil.

Additional information

Caliber/Gauge

.300 HAMR

Case Material

Brass

Cost per Round

2.35

Grains

135 gr

Manufacturer

Manufacturer Part Number

A300HMR135FTX

Shipping Weight

0.74

Units per Box

20

UPC

810025503697

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