Remington UMC 300 AAC Blackout 220-Grain Subsonic Rifle Cartridges

(8 customer reviews)


16,000 rounds available



Features and Benefits
300 AAC Blackout caliber
220 grains
20-round box
Made in USA
Caliber: 300 Blk
Number of rounds: 20
Pistol Ammo Type: Target
Grain weight: 220
What’s in the Box
Remington UMC 300 AAC Blackout 220-Grain Subsonic Rifle Cartridges
Important Product and Safety Information
You must be 18 or older to purchase Rifle or Shotgun Ammunition and 21 or older to purchase Handgun Ammunition. In ordering this product, you certify that you are of legal age and satisfy your jurisdiction’s legal requirements to purchase this product.
For safety reasons, we do not accept returns on ammunition. Always make sure you use the correct ammunition for your specific firearm.
The sale or shipment of this product to residents of certain jurisdictions is prohibited. Check your local laws before ordering this product. Check your local laws for any other regulations.
We recommend the use of protective eyewear whenever using or near the use of this item.
Item will only be shipped using Ground Shipping to the contiguous 48 states only.

8 reviews for Remington UMC 300 AAC Blackout 220-Grain Subsonic Rifle Cartridges

  1. Dillon Renteria

    Easy to order. Received on time, before Christmas rush.

  2. Hayden Gatlin

    Ordered & received within every description given. Pleased with my purchase and experience.

  3. Quentin Thurston

    Great service and the product was what I expected

  4. Bo Connell


    We did receive this order! Thank you! We are always happy with Rains Ammo and Gun Shop. I need to place another comment though about a package that was ordered on the 25th of December. It looks like it went to our old address in Virginia. We are in Honolulu, HI.

    Thank you!

    All of my best,
    Bo Connell

  5. Marcelo Hollis

    Great online retailer! First time customer and was very pleased that they had the item I was looking for, had it shipped in plenty of time for Christmas and the communication was great.

  6. Donny Pogue

    Rains Ammmo and Gun shop is a great and trustworthy site they delivered all my items I ordered. That took 1 week to get delivered. All of my items I ordered worked great.

  7. Lucien Romeo

    Great purchase and experience.

  8. Maria Gallo

    Awesome costumer service got my package earlier than I thought.

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