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Hornady Frontier .300 AAC Blackout 125 Grain Full Metal Jacket Centerfire Rifle Ammunition
As Low As $26.49 Save Up to 31%
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Most Helpful Positive Review Frontier ammo 300BLK 120gr
A very flat line, good performance and great price point ammo.
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My AR 300 Blackout Loves these.

by Rob, Verified Owner from CO, United States Written on March 16, 2025
Best groups so far and I have tested 5 different mfg's and bullet weights. I will buy as much of these as I can when on sale.
Pros:
  • Tight groups, Great price
Cons:
  • Don't go on sale enough
Best Used for:
  • FMJ steel and paper target shooting
Would recommend: Yes
Was it helpful to you? Yes | No

Have Tested 6 Brands This One shoots best for me.

by Rob, Verified Owner from CO, United States Written on March 7, 2025
Recently built a 300 Blackout AR style pistol with a 10.6" barrel 1/8 twist. This bullet gave me the tightest group.
Pros:
  • None
Cons:
  • None
Best Used for:
  • Target shooting
Would recommend: Yes
Was it helpful to you? Yes | No

Have Tested 6 Brands This One shoots best for me.

by Rob, Verified Owner from CO, United States Written on March 7, 2025
Recently built a 300 Blackout AR style pistol with a 10.6" barrel 1/8 twist. This bullet gave me the tightest group.
Pros:
  • None
Cons:
  • None
Best Used for:
  • Target shooting
Would recommend: Yes
Was it helpful to you? Yes | No

Darn good ammunition

by BG, Verified Owner from NM, United States Written on March 28, 2024
I have used Frontier in my 556 and 300Blk Ar’s. It performs absolutely amazing in all grain weights and calibers. Date I say it seems to be loaded a touch Hot, but safe. Absolutely accurate. It used to be cheaper but the word is getting out how awesome this ammo is. Get you some. And great job Hornady.
Pros:
  • None
Cons:
  • Price has gone up
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No
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