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Superformance 5.56mm NATO 55gr CX SPF 20/Box

Hornady · Ammo

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Superformance 5.56mm NATO 55gr CX SPF 20/Box

Best price

$32.27at Kentucky Gun Co

In stock checked Nov 13, 2026

Buy at Kentucky Gun Co

Compare 13 stores

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo

Specifications

Manufacturer
Hornady
Caliber
5.56 mm NATO
Bullet weight
55 gr
Casing
Brass

Where to buy

StorePriceAvailabilityBuyAdd to build
Kentucky Gun Co Best price $32.27checked Nov 13, 2026 In stock Buy at Kentucky Gun Co
OpticsPlanet $32.49Salechecked Nov 13, 2026 In stock Buy at OpticsPlanet
Sportsman's Warehouse $34.99checked Nov 13, 2026 In stock Buy at Sportsman's Warehouse
Ammunition Depot $41.99checked Nov 13, 2026 In stock Buy at Ammunition Depot
Battlehawk Armory $30.53Salechecked Nov 13, 2026 Check store Buy at Battlehawk Armory
GrabAGun $31.99Salechecked Nov 13, 2026 Check store Buy at GrabAGun
Classic Firearms $34.75checked Nov 13, 2026 Check store Buy at Classic Firearms
Palmetto State Armory $34.79checked Nov 13, 2026 Check store Buy at Palmetto State Armory
Guns.com $35.99Salechecked Nov 13, 2026 Check store Buy at Guns.com
AR15Discounts 5% off $39.99checked Nov 13, 2026 Check store Buy at AR15Discounts
Dirty Bird $45.95checked Nov 13, 2026 Check store Buy at Dirty Bird
Brownells 17.76% off · ends Nov 15 · exclusions apply $28.99checked Nov 13, 2026 Out of stock Buy at Brownells
MidwayUSA $36.99checked Nov 13, 2026 Out of stock Buy at MidwayUSA

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $28.74 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$39.99$39.99$39.99
Ammunition Depot$41.99$36.99$48.99
Battlehawk Armory$30.53$28.40$32.48
Brownells$28.99$28.99$28.99
Classic Firearms$34.75$34.75$34.75
Dirty Bird$45.95$45.95$45.95
GrabAGun$31.99$31.99$31.99
Guns.com$35.99$33.99$35.99
Kentucky Gun Co$32.27$28.74$32.27
MidwayUSA$36.99$33.29$36.99
OpticsPlanet$32.49$29.69$32.49
Palmetto State Armory$34.79$34.79$34.79
Sportsman's Warehouse$34.99$34.99$34.99

Since Sep 28, 2026.

About this part

The Superformance 5.56mm NATO 55gr CX SPF 20/Box is a 5.56 / .223 ammunition from Hornady. It's sold by 13 stores (4 in stock), from $28.99 to $45.95. The lowest in-stock price in the last 30 days was $28.74 at Kentucky Gun Co.

From the manufacturer

Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Mfg: Hornady

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