5.56x45mm NATO

5.56 NATO

Standard AR-15 caliber, NATO military specification

Bullet Diameter
0.224"
Typical Platforms
ar15

Higher pressure than .223 Remington

Barrels

Rifled tubes that guide the projectile

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Test 1773852395677088319 BCM 14.5" Mid-Length Government Profile Barrel

Bravo Company Manufacturing

$249.99

Test 1773852369085473238 Faxon Firearms 10.5" GUNNER Profile Barrel

Faxon Firearms

$219.99

Criterion Core 18" Match Barrel [Test-1767565628569126930]

Test Manufacturer

$329.99

Faxon 10.5" Gunner Profile Barrel [Test-1767565614362227438]

Test Manufacturer

$189.99

Ballistic Advantage 16" Modern Series Barrel [Test-1767565599670825107]

Test Manufacturer

$169.99

Bolt Carrier Groups

The heart of the AR action

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Test 1773943564785927941 BCM Bolt Carrier Group MPI

Bravo Company Manufacturing

$179.99

Toolcraft Nitride BCG [Test-1767565707586472589]

Test Manufacturer

$89.99

Magazines

Feed devices for ammunition

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Test 1773944134225027425 Magpul PMAG 30 Gen M3 5.56x45 Magazine

Magpul Industries

$12.99

Magpul PMAG Gen M3 30-Round [Test-1767565839417811354]

Test Manufacturer

$12.99

Muzzle Devices

Flash hiders, brakes, and compensators

No muzzle devices available in 5.56x45mm NATO yet.