The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO, commonly pronounced "five-five-six") is a rimless bottlenecked centerfire intermediate cartridge family developed in the …

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Palmetto State Armory offers high-quality 5.56 ammo at competitive prices, making it the go-to source for reliable ammunition. With a wide selection and fast shipping, Palmetto State Armory …

Incredibly fast, with a muzzle velocity that’s generally more than 3,000 feet per second, you’ll find 5.56 ammo with a 62-grain projectile as well as lighter rounds with a common 55-grain bullet. …

The table below gives a list of firearms that can fire the 5.56×45mm NATO cartridge, first developed and used in the late 1970s for the M16 rifle, which to date, is the most widely …

The 5.56mm Nato is a mid-sized rimless bottlenecked cartridge named for its use as the second standard service rifle cartridge for NATO forces in the 1980s. It was originally intended for the …

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Find and compare a selection of the best 556 self-defense ammo with Bulk Cheap Ammo. Excellent accuracy at medium ranges. Low recoil for quick follow-up shots. Versatile for …