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If you're running an AR-15 and looking for hunting ammunition that actually performs, this is what you've been waiting for. The .300 HAM'R was designed from the ground up to deliver .30-30 Winchester terminal ballistics out of the AR platform, and this 135-grain load is one of the most versatile offerings in the lineup.
What sets this load apart is the Speer HAM'R Bonded bullet, engineered specifically for this cartridge. The bonded construction means the core and jacket stay together through impact, giving you reliable expansion to over 5/8 inch while maintaining near-complete weight retention. That translates to deep penetration without over-expansion, which matters whether you're hunting whitetail at 150 yards or hogs at closer range.
Every round leaves Wilson Combat's Berryville, Arkansas facility 100% hand-inspected. The nickel-plated brass improves extraction and corrosion resistance, which is especially useful if you're running a suppressor. You're getting a muzzle velocity of 2450 fps from an 18-inch barrel with 1799 ft-lbs of energy—more than enough stopping power for game up to 400 pounds, and it shoots significantly flatter than .300 Blackout while using standard AR-15 magazines.
Accuracy testing across multiple publications shows this ammunition consistently groups in the half-inch range at 100 yards. Wilson Combat uses clean-burning, low-flash powders that preserve night vision and reduce fouling on your rifle, plus rigorous taper crimping and tumble polishing enhance feed reliability. Twenty rounds per box gives you a practical hunting load that works just as well for practice and load verification at the range.
This ammunition is specifically designed for .300 HAM'R chambered rifles. You can convert any standard AR-15 from 5.56 NATO with just a barrel change, and it uses standard .300 Blackout magazines. The .300 HAM'R is available from Wilson Combat in complete rifles and uppers, and other manufacturers like Seekins Precision also produce barrels and uppers for this caliber.
The 135-grain Speer bonded is considered one of the most versatile weights available, sitting right in the sweet spot for hunting medium-sized game. Wilson Combat recommends this load for hogs, black bears, mule deer, and tougher game. Lighter loads (110-125 grains) work well for whitetail and predators, while heavier loads (150 grains) are better suited for larger elk-size animals. The 135-grain bridges that gap effectively.
Yes, the nickel-plated brass specifically improves extraction in suppressed firearms. The low-flash propellant also helps preserve night vision, and the bonded bullet design delivers consistent terminal performance whether suppressed or unsuppressed. It's a solid choice if you're running a can on your .300 HAM'R.
This ammunition is effective for hunting out to approximately 300-400 yards with proper shot placement, which aligns with the .300 HAM'R's designed purpose as a medium-range hunting cartridge. It delivers nearly .30-30 Winchester performance from your AR platform, making it suitable for brush hunting and moderate-distance field work where you might expect shots between 75 and 250 yards.
| Caliber/Gauge | .300 HAMR |
|---|---|
| Case Material | Nickel-Plated Brass |
| Cost per Round | 2.15 |
| Grains | 135 gr |
| Manufacturer | |
| Manufacturer Part Number | A300HMR135HBN |
| Units per Box | 20 |
| UPC | 810025503581 |
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