Product SKU # :TSL300AAC4V |  MPN: L300AAC4V  | UPC # :047700490106

Remington Ammunition 

Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V

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Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
USDTargetSportsUSA59.99
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USDTargetSportsUSA479.92
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You must be 21 years or older to order ammunition. Ammunition must ship UPS ground. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. Please check local laws before ordering. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition.

Remington UMC 300 AAC Blackout Ammunition 220 Grain Open Tip Flat Base - L300AAC4V

The Remington UMC 300 AAC Blackout Ammunition is engineered for precision and performance, making it an excellent choice for range training and tactical applications. With a grain weight of 220, this open tip flat base bullet is designed for subsonic performance, delivering high accuracy and consistency. The Remington brand is synonymous with quality and reliability, ensuring shooters receive the best ammunition for their needs. Each cartridge is crafted with premium brass casings and a boxer primer, providing smooth feeding and reliable ignition.

Features and Specifications:

  • Subsonic Performance: Tailored for suppressed firearms, minimizing noise without compromising accuracy.
  • High-Quality Construction: Premium brass casings offer durability and reloadability.
  • Versatility: Suitable for various firearms chambered in 300 AAC Blackout, making it ideal for both tactical and recreational shooting.
  • Packaging: Available in value packs, providing convenience and cost-efficiency.
  • Performance Metrics: With a muzzle velocity of 1015 fps and muzzle energy of 503 ft. lbs, it offers excellent performance for its intended use.

Deep Dive

Overview

The Remington UMC 300 AAC Blackout is ideally suited for shooters who require a quiet, subsonic round without sacrificing accuracy. Its design makes it perfect for use with suppressed firearms, effectively reducing noise signature — a significant consideration for tactical operations and stealth-oriented shooting scenarios. Whether it's for training purposes or precise target practice, this ammunition provides reliable performance, ensuring it meets the demands of users at every level.

History and Development

The development of the 300 AAC Blackout cartridge was driven by the need for effective, adaptable ammunition for military and tactical use, emphasizing subsonic performance without compromising ballistics. Remington has been at the forefront of ammo innovation; their UMC line continues to build on decades of experience. The introduction of this round into civilian markets allowed shooters to leverage the versatility of 300 AAC Blackout, making it a favorite for enthusiasts and professionals alike.

Common Questions and FAQs

  • Is the Remington UMC 300 AAC Blackout suitable for hunting?
    While primarily designed for target and tactical uses, it can be utilized for hunting, depending on caliber requirements for game.
  • Can I use this ammunition in any 300 AAC Blackout firearm?
    Yes, this round is compatible with firearms chambered specifically for 300 AAC Blackout.
  • How is this ammunition packaged, and are bulk options available?
    This ammunition is sold in value packs with bulk packaging options available that include free shipping.
  • What type of primer is used in these cartridges?
    The ammunition is equipped with non-corrosive boxer primers known for reliable ignition.
  • Are these rounds reloadable?
    Yes, these rounds feature reloadable brass casings which many shooters find advantageous.
  • What makes this ammunition subsonic?
    The 220-grain bullet's weight and reduced powder charge result in a subsonic velocity of 1015 fps, beneath the speed of sound.

The 'Round Up'

Perfect Fit for:

  • Range Training

Why It Stands Out:

This 220-grain open tip flat base from Remington offers unmatched subsonic precision, making it exceptional for suppressed firearm use. With reliable boxer primers and reloadable brass cases, its quality construction reflects Remington’s commitment to excellence. Ideal for tactical training and target shooting, its widespread compatibility with 300 AAC Blackout platforms makes it a versatile addition to any ammo collection.

Field Details
MPNL300AAC4V
UPC047700490106
ManufacturerRemington Ammunition
PlatformRifle
Ammo ApplicationRange Training
Ammo TypeOpen Tip Flat Base
Caliber300 AAC Blackout Ammo
Grain Weight220
Quantity Per PackageBox of 50 / Case of 400
Test Barrel LengthNot Provided
Muzzle Velocity1015 fps
Muzzle Energy503 ft. lbs
Ballistic Coefficient (G1)Not Provided
Case TypeBrass
Primer TypeBoxer
CorrosiveNo
ReloadableYes
Lead FreeNo
Staked PrimerNot Provided
Country of OriginUSA

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Attention Ammunition Buyers You must be 21 years or older to order ammunition. Ammo must ship UPS/FedEx Ground. For safety reasons, we cannot accept returns on ammo. Always, make sure that you use the correct ammunition for your gun. Please check local laws before ordering.


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Ammo Shipping Zones
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Proposition 65 Warning
 This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov.

Reviews

33 Customer Review(s)
5 Star
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Comments and Reviews on Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Louder than I would have liked with a can, but okay nonetheless.
Reviewed by Mike  M
10/20/2025 10:51:53 AM
Comments and Reviews on Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Much wider spread than expected, solid 300 AAC rounds from Remington UMC.
Reviewed by Kerry  F
4/26/2025 11:01:22 PM
Comments and Reviews on Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Will buy again! No issues with this 300 AAC round from Remington UMC!
Reviewed by Jerome  A
4/3/2025 1:59:36 AM
Comments and Reviews on Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
It's ok ammo for practice. Solid shooting 300 AAC rounds from Remington UMC!
Reviewed by RICKARD  C
11/30/2024 8:30:40 AM
Comments and Reviews on Remington UMC 300 AAC Blackout Ammo 220 Grain Open Tip Flat Base - L300AAC4V
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Good stuff produced by Remington UMC. Consistent ammo for a great value, thanks Target Sports USA!
Reviewed by Syed  H
11/24/2024 12:10:48 PM

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About Remington Ammunition

Remington Ammunition is proudly made in the USA and is one of the most iconic names in American firearms history, trusted for its consistent performance, innovation, and heritage. Known for top product lines like Remington Core-Lokt, UMC, and Premier AccuTip, Remington offers a comprehensive range of handgun, rifle, rimfire, and shotgun ammunition. Built for hunters, defenders, and sport shooters alike, Remington rounds deliver reliable accuracy and terminal performance. Target Sports USA carries bulk Remington ammo with fast shipping and great pricing on calibers like 9mm Luger ammo, 22 LR ammo, .223 Rem ammo, and 7mm Rem Mag ammo.

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