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.223 / 5.56 Frontier Ammunition

Frontier Ammunition is recognized for delivering reliable, high-performance cartridges engineered to meet the needs of both civilian and professional shooters. The brand’s centerfire rifle ammo lineup is manufactured using state-of-the-art techniques and rigorous quality control, ensuring consistency and accuracy with every shot. Frontier’s use of high-quality brass cases and military-grade components supports dependable function across a range of shooting applications, from target practice to law enforcement training. Popular calibers like .223 / 5.56 and .223 Rem are featured for sale, offering shooters proven performance and value. Frontier Ammunition is produced in partnership with Hornady and the Lake City Army Ammunition Plant, combining advanced bullet technology with military-grade standards. Shop Frontier Ammunition to experience consistent quality and trusted results for your next range session or training day.

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11 Product(s)
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Frontier Cartridge FR240 Frontier .223/5.56 NATO 55 GR Hollow Point Match - 20rd Box

Frontier Cartridge FR240 Frontier .223/5.56 NATO 55 GR Hollow Point Match - 20rd Box
$10 49 $12.10
(0.525 per round)
In Stock
Frontier Cartridge FR320 Frontier .223/5.56 NATO 75 GR Boat Tail Hollow Point Match - 20rd Box

Frontier Cartridge FR320 Frontier .223/5.56 NATO 75 GR Boat Tail Hollow Point Match - 20rd Box
$15 70
(0.785 per round)
In Stock
Frontier Cartridge FR200 Frontier .223/5.56 NATO 55 GR Full Metal Jacket - 20 Round Box

Frontier Cartridge FR200 Frontier .223/5.56 NATO 55 GR Full Metal Jacket - 20 Round Box
$11 08
(0.554 per round)
In Stock
Frontier Cartridge FR310 Frontier .223/5.56 NATO 68 GR Boat Tail Hollow Point Match - 20rd Box

Frontier Cartridge FR310 Frontier .223/5.56 NATO 68 GR Boat Tail Hollow Point Match - 20rd Box
$14 16
(0.708 per round)
In Stock
Frontier Cartridge FR100 Frontier .223/5.56 NATO 55 GR Full Metal Jacket - 20 Rounds / Box

Frontier Cartridge FR100 Frontier .223/5.56 NATO 55 GR Full Metal Jacket - 20 Rounds / Box
$10 63
(0.532 per round)
In Stock
Frontier Cartridge FR160 Frontier .223/5.56 NATO 68 GR Boat Tail Hollow Point Match - 20rd Box

Frontier Cartridge FR160 Frontier .223/5.56 NATO 68 GR Boat Tail Hollow Point Match - 20rd Box
$14 13
(0.707 per round)
In Stock
Frontier Cartridge FR260 Frontier .223/5.56 NATO 62 GR Full Metal Jacket - 20rd Box

Frontier Cartridge FR260 Frontier .223/5.56 NATO 62 GR Full Metal Jacket - 20rd Box

$12 35
(0.618 per round)
In Stock
Frontier Cartridge FR2015 Rifle 5.56x45mm NATO 55 gr Full Metal Jacket (FMJ) - 150rd Box

Frontier Cartridge FR2015 Rifle 5.56x45mm NATO 55 gr Full Metal Jacket (FMJ) - 150rd Box

$81 72
(0.545 per round)
In Stock
Frontier Cartridge FR2615 Rifle 5.56x45mm NATO 62 gr Full Metal Jacket (FMJ) - 150rd Box

Frontier Cartridge FR2615 Rifle 5.56x45mm NATO 62 gr Full Metal Jacket (FMJ) - 150rd Box

$91 66
(0.611 per round)
In Stock
Frontier Cartridge FR200 Frontier 5.56 NATO Ammunition, M193, 55 GR Full Metal Jacket, Brass, Boxer, Reloadable - 500 Round Case

Frontier Cartridge FR200 Frontier 5.56 NATO Ammunition, M193, 55 GR Full Metal Jacket, Brass, Boxer, Reloadable - 500 Round Case
Out of Stock
Frontier Cartridge FR100 Frontier .223/5.56 NATO 55 GR Full Metal Jacket, Brass, Boxer, Reloadable - 20 Rounds / Box - 500 Round Case

Frontier Cartridge FR100 Frontier .223/5.56 NATO 55 GR Full Metal Jacket, Brass, Boxer, Reloadable - 20 Rounds / Box - 500 Round Case

Out of Stock
11 Product(s)
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