HomeAMMORIFLE AMMO5.56MM NATO AMMO → Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Product SKU # :TSD556N3 |  MPN: D556N3  | UPC # :612710131396

Black Hills Ammunition 

Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3

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Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
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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.

Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3

The Black Hills 5.56x45mm NATO Ammunition is a premium round designed for serious shooters who demand high performance from their ammunition. This lead-free bullet combines the precision of a 70-grain Hornady GMX Hollow Point Boat Tail with the renowned quality of Black Hills, producing a round that is suitable for big game hunting. This ammunition is made to deliver consistent accuracy and optimal kinetic energy, making it a trusted choice for hunters and tactical shooters alike. Proudly manufactured in Rapid City, South Dakota, Black Hills Ammunition is known for crafting some of the best 5.56mm ammo used by law enforcement agencies worldwide.

Features and Specifications:

  • Precision Craftsmanship: Manufactured by Black Hills Ammo, ensuring high-grade quality and reliability.
  • Performance Metrics: Offers a muzzle velocity of 2800 fps and muzzle energy of 1219 ft. lbs., providing powerful and consistent performance.
  • Lead-Free Design: Featuring Hornady GMX Hollow Point Boat Tail bullets, this round is safer for the environment while still delivering effective penetration and expansion.
  • Versatile Ammo: Ideal for hunting big game, suitable for tactical and defensive applications.
  • Consistent Shooting Experience: Utilizes a brass casing and Boxer primer for reloadability and efficient shooting.
  • Packaging Options: Available in 50-round boxes, allowing for sufficient quantities for both practice and field use.

Deep Dive

Overview

The Black Hills 5.56x45mm NATO ammunition is engineered for hunters and tactical enthusiasts seeking a reliable round that performs well on big game. The Hornady GMX bullet is designed to retain weight and penetrate deeply, ensuring clean and ethical shots. Its lead-free composition is crucial for preserving the environment while still delivering the performance you expect from traditional lead core designs. The premium brass casing and Boxer primer make this round reloadable, offering added value to the shooter.

History and Development

Black Hills Ammunition has long been a leader in producing high-quality cartridges for both military and civilian use. Established in Rapid City, South Dakota, the company is committed to innovation and quality control. The development of lead-free ammunition stems from increasing regulations and demand for environmentally friendly alternatives. Black Hills combines this need with their standard of precision, delivering a product that retains all the ballistics characteristics that shooters demand in the field or on the range.

Common Questions and FAQs

  • How is this ammunition packaged, and are bulk options available?
    This ammunition is sold in 50-round boxes. Bulk purchases may include free shipping, which is advantageous for high-volume shooters.
  • Is the Black Hills 5.56mm suitable for all rifles?
    This ammunition is specifically designed for rifles chambered in 5.56x45mm NATO and may not be suitable for rifles chambered only for .223 Remington due to higher pressures.
  • What does "GMX" stand for in the bullet type?
    GMX stands for Gilding Metal eXpanding, a type of bullet that provides consistent expansion and retains nearly 100% of its original weight upon impact.
  • Is the ammunition weather-resistant?
    While not specifically weather-resistant, the brass casing provides good resistance to corrosion, and it’s advised to store all ammunition in a dry and cool environment for best preservation.
  • Does this round require special storage conditions?
    Like all ammo, it should be stored in a cool, dry place to maintain optimal performance.
  • How is the lead-free design beneficial for hunting?
    It prevents contamination of the environment and ensures the meat harvested is free from lead residues which can be harmful if ingested.

The 'Round Up'

Perfect Fit for:

  • Big Game Hunt

Why It Stands Out:

The Black Hills 5.56x45mm NATO ammunition is a high-performance, environmentally-friendly option for hunters and shooters who require reliability and precision. Its use of Hornady’s GMX technology ensures exceptional penetration and expansion, making it effective for big game hunting. With free shipping options available on bulk purchases, this lead-free ammunition delivers not only in quality but also in economic value. Black Hills continues its legacy of excellence by marrying robust performance with modern environmental stewardship.

Field Details
MPND556N3
UPC612710131396
ManufacturerBlack Hills Ammunition
PlatformRifle
Ammo ApplicationBig Game Hunting
Ammo TypeHollow Point Boat Tail
Caliber5.56mm NATO Ammo
Grain Weight70
Quantity Per PackageBox of 50 / Case of 500
Test Barrel LengthNot Provided
Muzzle Velocity2800 fps
Muzzle Energy1219 ft. lbs.
Ballistic Coefficient (G1)Not Provided
Case TypeBrass Case
Primer TypeBoxer
CorrosiveNo
ReloadableYes
Lead FreeYes
Staked PrimerNot Provided
Country of OriginUSA

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SHIPPING AMMUNITION


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
Target Sports USA only ships ammo to Contiguous 48 states only. We do not ship ammo to Alaska & Hawaii 
   
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

25 Customer Review(s)
5 Star
20  (80%)
4 Star
5  (20%)
3 Star
0  (0%)
2 Star
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Comments and Reviews on Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Excellent 5.56 rounds, solid ammo produced by Black Hills!
Reviewed by Morgan  G
2/22/2025 8:58:34 PM
Comments and Reviews on Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Great deal on this 5.56 round from Black Hills. Quick delivery from TSUSA.
Reviewed by Jackson  A
7/13/2024 10:38:56 AM
Comments and Reviews on Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Solid 5.56 ammo, awesome rounds from Black Hills. Thank you Target Sports USA!
Reviewed by Thomas  M
9/20/2023 6:51:01 PM
Comments and Reviews on Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Great ammo!! Excellent 5.56 rounds from Black Hills!! Thanks TSUSA!!
Reviewed by Raad  S
9/18/2023 10:02:11 PM
Comments and Reviews on Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
Performancestarstarstarstarstar
Valuestarstarstarstarstar
Qualitystarstarstarstarstar
Great rounds produced by Black Hills. Accurate target rounds for a good value.
Reviewed by Matt  M
5/17/2023 4:16:27 PM
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Questions & Answers

Frequently Asked Questions
Question:How many bullets are in the box? - Kenneth (08/03/2021)
Response:Kenneth, there are 50 bullets per box of this 5.56x45mm NATO ammo from Black Hills. Thank you for visiting TargetSportsUSA.com
Question:Is this round barrier blind ? - Joshua (08/02/2021)
Response:Joshua, according to the manufacturers website this 5.56 x 45mm ammo from Black Hills is barrier blind. Thanks for visiting TargetSportsUSA.com

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Manufacturer Details

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Black Hill Ammunition

Black Hills Ammo For sale at TargetSportsUSA.com. Target Sports USA has the entire line of Black Hills Ammunition for sale online with free shipping on bulk ammo at cheap discount prices. Black Hills Ammunition is made in Rapid City South Dakota and offers a premium quality ammo products at value prices. Black Hills Ammunition manufactures Handgun Ammo, Rifle Ammo, Cowboy Action Ammo and mostly known for their high quality 5.56mm ammo caliber used by the Police Departments all over the world. 

Target Sports USA has Black Hills Ammo For Sale in the following popular calibers: 


Black Hills Handgun Ammo                     Black Hills Rifle Ammo                     Black Hills Shotgun Ammo                     Black Hills Rimfire Ammo                    
       
Black Hills 9mm Ammo  Black Hills 5.56mm Ammo 

       
Black Hills 45 Ammo  Black Hills 308 Ammo   
       
Black Hills 380 Ammo  Black Hills 6.5 Ammo   
       
Black Hills 40 S&W Ammo     
       
Black Hills 38 Spc Ammo       
       
Black Hills 357 MagAmmo       




Enjoy free shipping on Black Hills Ammo when you buy in bulk ammunition quantities at Target Sports USA.

HomeAMMORIFLE AMMO5.56MM NATO AMMO → Black Hills 5.56x45mm NATO Ammunition 70 Grain Hollow Point Boat Tail GMX - D556N3
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