Description
Barnes built this .300 Blackout round as a do-it-all cartridge for people who want one load that handles hunting, defense, and range work without compromise. The 120-grain hollow point is engineered to deliver the controlled expansion you need for clean kills on varmints and medium game, with a ballistic coefficient of .297 that keeps your trajectory flat and predictable.
The 2100 fps muzzle velocity and 1175 ft-lbs of energy put this round in the sweet spot for 300 Blackout. You're getting supersonic velocity, so there's plenty of punch without the heavy recoil you'd get from a larger cartridge. The flat base bullet design gives you a uniform surface for consistent propellant pressure throughout the barrel, which translates to tighter groups on target.
Brass Case Construction for Reloading
These come loaded in reloadable brass casings with consistent quality across every round, which matters if you want to stretch your range sessions. Barnes maintains tight manufacturing tolerances on grain weight and bullet concentricity, so you get the accuracy consistency that separates this from budget ammo. The clean-burning powders they use keep your rifle cleaner between sessions.
From Varmints to Defensive Use
This load works well out to 200 yards on smaller game like prairie dogs and coyotes, and people have successfully taken whitetail deer with the 120-grain JHP at hunting distances. The hollow point expands reliably within the velocity window of realistic hunting ranges, making it a practical choice for a carbine or pistol that functions without a suppressor. Whether you're running a 16-inch rifle, a pistol barrel, or anything in between, this ammunition feeds reliably and performs consistently.
Key Specifications
- Caliber: .300 AAC Blackout
- Bullet Weight: 120 grains
- Bullet Type: Jacketed Hollow Point Flat Base (JHP FB)
- Muzzle Velocity: 2100 fps
- Muzzle Energy: 1175 ft-lbs
- Ballistic Coefficient: 0.297
- Case Material: Reloadable Brass
- Rounds per Box: 20
- Manufacturer: Barnes Bullets
- Manufacturer Part Number (MPN): 32004
- UPC: 716876120307
What’s Included
- 20 rounds of .300 Blackout 120gr JHP FB ammunition
- Original factory box
Frequently Asked Questions
Will the 120-grain Barnes JHP work in short barrel rifles?
Yes, this is a supersonic load designed to perform well across different barrel lengths. The 120-grain flat base design stabilizes properly in common twist rates used for .300 Blackout, making it reliable in everything from pistol-length barrels (7.5 inches) to standard rifles. Your specific rifle's twist rate and barrel length matter for long-range precision, but for hunting and defensive ranges, this load feeds and fires consistently.
Can I reload these brass cases?
Yes, the brass is reloadable and manufactured to consistent quality, which is one reason these rounds hold their value compared to cheaper steel-cased alternatives. Many people reload .300 Blackout extensively because the round is flexible and the brass stands up well to multiple loadings.
What game is this suitable for with the hollow point?
The 120-grain JHP performs on varmints like coyotes, prairie dogs, and raccoons, and it's been used successfully on whitetail deer and feral hogs at typical hunting ranges (under 200 yards). The hollow point expands reliably within the velocity range of .300 Blackout, making it effective for predator control and medium-game hunting where distance is reasonable.
Is this ammunition supersonic or subsonic?
This is a supersonic load. At 2100 fps, it travels well above the speed of sound, so you'll get the full crack when it fires. If you're running a suppressor and want hearing-safe performance, you'll want to look at subsonic 220-grain loadings instead.








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