Gorilla Ammunition .300 AAC BlackOut 125gr Sierra MatchKing – 160 Round Bucket


(40 customer reviews)
Locations we cannot ship to: HI, AK, MA, WASHINGTON DC, IL Cities: Bensenville, Chicago, Chicago Heights, Cicero, Evanston, Norride, Orlando Park, Schaumburg, Thornton, IL County: Cook County, Maryland Cities: Annapolis, Friendship Heights, Takoma Park NY Cities: New York City, Buffalo, Rochester. We are able to ship to the rest of New York through FFL, CA: Ship to FFL ONLY, RI: Beginning January 1, 2023, a person may only purchase ammunition if they are 21 years or older and have a valid pistol/revolver safety certificate or a Rhode Island hunter education course card issued by the Department of Environmental Management.

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Due to component shortages, we are currently using mil-spec primers in some of our 300BLK loads. These primers contain a harder primer cap designed for use in semi-automatic weapons. You may experience lite strikes in bolt action platforms due to the harder primer cap. Please be aware of this issue before purchasing. For safety reasons, we do not allow returns once the product has been delivered. If you would like to check availability of 300BLK ammo for use in your bolt action platform, please contact us before purchasing.  

300 AAC Black0ut, 125gr Sierra MatchKing – 160 Round Bucket

Gorilla Ammunition features great accuracy and knockdown power from the 125gr Sierra MatchKing. 300 AAC Blackout is growing in popularity due to it’s increased range capabilities over 223 REM / 5.56 NATO. Increased maximum effective range with Super Sonic ammunition and incredible sound signature reductions with SubSonic ammunition make 300 BlackOut an awesome alternative to the 223 REM cartridge. Sierra MatchKing bullets have set an incredible number of new national records.  This projectile is well known for it’s excellent accuracy. Gorilla Ammunition utilizes only the highest quality components to manufacture top quality match grade loads and this offering chambered in 300 AAC BlackOut with the 125gr Sierra MatchKing is no exception. Component selection is only the start to our top quality ammunition. The Gorilla Ammunition manufacturing process ensures consistency by pairing high end linear loading equipment with multi stage in-process inspections by highly trained machine operators with a final inspection of each and every round by our quality inspectors to ensure only ammunition that meets our rigorous specifications makes it into the box.

Technical Specifications:

  • Caliber: 300 AAC BlackOut
  • Projectile: 125gr Sierra MatchKing
  • Muzzle Velocity: 2160 FPS
  • Muzzle Energy: 1294 ft/lbs

Small Arms Ammunition purchasing disclaimer: You must be 21 or older to purchase rifle ammunition. All ammunition is shipped via UPS ground. Always ensure you use the correct ammunition in a firearm in good working condition. It is the responsibility of the consumer to know and comply with State & local laws regarding the purchase and possession of ammunition. Please check your local laws before purchasing.

Click here to browse our selection of .300 Blackout Ammo.


Additional information

Weight 8.0 lbs

40 reviews for Gorilla Ammunition .300 AAC BlackOut 125gr Sierra MatchKing – 160 Round Bucket

  1. Wayne Sheppard (verified owner)

    Super great experience with the company and the quality of the ammo.
    Smooth feeds across various bolt action and carbine platforms, reliable firing, and consistent groups.
    The consistent quality across different cartridges has increased flexibility and reduced the need to re-zero from the range to the field. Yay!
    One order had a shipping error, hey it happens. What doesn’t always happen is the company handling it really quickly and fairly, which Gorilla did.
    Is it more expensive? I guess, unless you factor in how consistency saves time and wasted ammo.
    For me, reliability is worth a few extra bucks.

  2. Mic (verified owner)

    This is very good ammo, it’s just to expensive, wish they would make affordable 6.5 creedmoor in bulk. this shortage of material and components has forced me to start reloading myself I can get everything except powder right now and components are slowly becoming available.

  3. Robert Bergstrom (verified owner)

    Top quality ammo. Very accurate and clean.

  4. mac700r (verified owner)

    Fast shipping and great quality ammo !!

  5. David C (verified owner)

    I have to agree with so many of the other reviewers on this site. The ammo is outrageously great! Burns clean, accurate, cycles in my diamond back AR…just great stuff. The ammo is priced fairly. I have tried most of their 300 ammo, it is all good, but my favorited is the 115gr Controlled Chaos. Great for self defense and hunting. Thanks Gorilla!

  6. Richard (verified owner)

    Hands down the best out there. Clean, highly accurate, never a feed issue. This also rings my ar500 target like no other ammo insane knockdown power. I’m hooked won’t be buying any other ammo.

  7. Zac (verified owner)

    Great ammo and very clean. Only drawback I have is having to be home to sign for it. The buckets are awesome. Will buy more again soon.

  8. William Kevin Blackburn (verified owner)

    This is just about the perfect all everything round for 300BLK I use in a 7.5 inch 10.5 inch and 16 inch and it works flawlessly in all I use a 36-yard zero and it is ACCURATE ! the terminal energy is outstanding in my tests and runs well suppressed on all my 300BLK guns. I feel very comfortable with this as a hunting and self-defense round I use the 100GR rounds as well more for Self Defense I have zero concerns in the 125GR Round for Fox, Coyote, Deer, and even Black Beer I have not used on larger hoofed animals or Brown Bear but in a pinch, in a survival situation I feel very comfortable with this round’s ability out to 200 Yards

  9. WENDO (verified owner)

    It was great fast shipping good products this people are good.

  10. burtoj03 (verified owner)

    Some of the best out there. Accurate, and goes bang every time. I am not suppressing my 300BLK, and I love the 125 grain bullets. I use these for practice and I have been whitetail hunting with the 125 grain Gorilla nosler ballistic tips. No complaints at all. I will continue to buy it.

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