Filters
Account Wishlist
My CART
{brtheme_woo_cart_item_count}

My Cart ({brtheme_woo_cart_item_count})

Oops! There is nothing in your cart, yet. Here's what you can do:

Close modal

or

Shop Now

Hornady Superformance 5.56 NATO 55 gr CX – 20rd

Hornady Superformance 5.56 NATO 55 grain CX ammunition. 20 rounds per box (10 boxes per case). Progressive propellant yields higher velocity while maintaining SAAMI pressure limits.

$28.85

672 in stock

Purchase & earn 29 points!

Hornady Superformance 5.56 NATO 55 gr CX – 20rd Box

UPC: 090255719932 MPN: 812544

Hornady Superformance 5.56 NATO 55 gr CX ammunition combines Hornady’s Superformance progressive propellant technology with a 55 grain copper-alloy CX bullet and brass case construction. This load is offered for 5.56 NATO/.223 Rem platforms and is characterized by a higher muzzle velocity (manufacturer-listed 3175 fps) while remaining within SAAMI pressure guidelines. Barrel length is not applicable to ammunition; the cartridge performance figures are system-dependent and were measured in manufacturer test barrels. This product is supplied in sealed 20-round boxes; case quantities are 10 boxes per case (200 rounds) where case sales apply.

  • Caliber: 5.56 NATO (.223 Rem/5.56 NATO as shown in manufacturer data)
  • Barrel length: Not applicable to ammunition
  • Finish/Material: Copper-alloy (CX) bullet; brass case; Boxer-primed (manufacturer components)
  • Capacity / Magazine: 20 rounds per box (20/box)
  • Accessory or special feature: Superformance progressive propellants for increased velocity (manufacturer-stated)
  • Bullet weight: 55 grains (CX)
  • Muzzle velocity (manufacturer): 3175 fps
  • Muzzle energy (manufacturer): 1231 ft·lb
  • Ballistic coefficient (G1, manufacturer): 0.270
  • Boxes per case: 10 (200 rounds per case)
  • Reloadable: Yes (brass cases)
  • Intended application (manufacturer): Hunting / medium game (per Hornady product data)

Why Choose Hornady

  • Established manufacturer: Hornady is known for consistent component selection and quality control in ammunition production.
  • Model advantage: The Superformance line uses optimized progressive powders to increase velocity without exceeding standard pressure limits, offering flatter trajectories per manufacturer information.
  • Condition and sourcing: This listing represents factory-new Hornady ammunition in factory-sealed packaging; verify local availability and legal compliance before purchase.

Packaging

This product is packaged as one factory-sealed 20-round box clearly labeled with caliber, bullet weight, and product line. Case quantities, when sold by case, contain 10 boxes (200 rounds). No firearm or additional accessories are included. Handle and store in accordance with all local regulations.

Why Choose PMA Customs?

  • Curated Parts: Every component in a PMA firearm undergoes rigorous inspection and testing. With over a decade of experience, we meticulously select and integrate only quality parts, ensuring unparalleled reliability when it matters most.
  • Quality Without Markup: We leverage our manufacturing capabilities and reputable sourcing to deliver exceptional firearms without unnecessary markups. Each product is hand-assembled with stringent quality checks at every stage, guaranteeing superior craftsmanship.
  • American Made & Veteran Owned: As a Veteran Owned and Operated business, all PMA Customs firearms are proudly built and assembled in our Georgia facility, utilizing components made here in the USA.

 

Warranty: All Pickett’s Mill Armory firearms, assemblies, and components are backed by our limited lifetime manufacturer’s warranty!

UPC

090255719932

Manufacturer

Manufacturer Part Number

812544

Caliber/Gauge

.223 REM/5.56 NATO

Case Material

Brass

Grains

55 gr

Length

4.5000

Model

Superformance

Product Type

CX

Shipping Weight

0.58

Units per Box

20

Cost per Round

1.44

Bullet Weight (Grains)

55

SKU: TSW|140606Categories: Rifle AmmunitionTags: Online Only

Hornady Superformance 5.56 NATO 55 gr CX – 20rd Box

UPC: 090255719932 MPN: 812544

Hornady Superformance 5.56 NATO 55 gr CX ammunition combines Hornady’s Superformance progressive propellant technology with a 55 grain copper-alloy CX bullet and brass case construction. This load is offered for 5.56 NATO/.223 Rem platforms and is characterized by a higher muzzle velocity (manufacturer-listed 3175 fps) while remaining within SAAMI pressure guidelines. Barrel length is not applicable to ammunition; the cartridge performance figures are system-dependent and were measured in manufacturer test barrels. This product is supplied in sealed 20-round boxes; case quantities are 10 boxes per case (200 rounds) where case sales apply.

  • Caliber: 5.56 NATO (.223 Rem/5.56 NATO as shown in manufacturer data)
  • Barrel length: Not applicable to ammunition
  • Finish/Material: Copper-alloy (CX) bullet; brass case; Boxer-primed (manufacturer components)
  • Capacity / Magazine: 20 rounds per box (20/box)
  • Accessory or special feature: Superformance progressive propellants for increased velocity (manufacturer-stated)
  • Bullet weight: 55 grains (CX)
  • Muzzle velocity (manufacturer): 3175 fps
  • Muzzle energy (manufacturer): 1231 ft·lb
  • Ballistic coefficient (G1, manufacturer): 0.270
  • Boxes per case: 10 (200 rounds per case)
  • Reloadable: Yes (brass cases)
  • Intended application (manufacturer): Hunting / medium game (per Hornady product data)

Why Choose Hornady

  • Established manufacturer: Hornady is known for consistent component selection and quality control in ammunition production.
  • Model advantage: The Superformance line uses optimized progressive powders to increase velocity without exceeding standard pressure limits, offering flatter trajectories per manufacturer information.
  • Condition and sourcing: This listing represents factory-new Hornady ammunition in factory-sealed packaging; verify local availability and legal compliance before purchase.

Packaging

This product is packaged as one factory-sealed 20-round box clearly labeled with caliber, bullet weight, and product line. Case quantities, when sold by case, contain 10 boxes (200 rounds). No firearm or additional accessories are included. Handle and store in accordance with all local regulations.

Why Choose PMA Customs?

  • Curated Parts: Every component in a PMA firearm undergoes rigorous inspection and testing. With over a decade of experience, we meticulously select and integrate only quality parts, ensuring unparalleled reliability when it matters most.
  • Quality Without Markup: We leverage our manufacturing capabilities and reputable sourcing to deliver exceptional firearms without unnecessary markups. Each product is hand-assembled with stringent quality checks at every stage, guaranteeing superior craftsmanship.
  • American Made & Veteran Owned: As a Veteran Owned and Operated business, all PMA Customs firearms are proudly built and assembled in our Georgia facility, utilizing components made here in the USA.

 

Warranty: All Pickett’s Mill Armory firearms, assemblies, and components are backed by our limited lifetime manufacturer’s warranty!

UPC

090255719932

Manufacturer

Manufacturer Part Number

812544

Caliber/Gauge

.223 REM/5.56 NATO

Case Material

Brass

Grains

55 gr

Length

4.5000

Model

Superformance

Product Type

CX

Shipping Weight

0.58

Units per Box

20

Cost per Round

1.44

Bullet Weight (Grains)

55

Welcome to Pickett's Mill Armory, in order to browse our site you must be at least 18 years of age.

Are you at least 18 years old?

YesNo