Winchester USA 5.56x45mm NATO Ammo - 55 Grain FMJ
Winchester USA 5.56x45mm NATO is a 55-grain full metal jacket load built to M193 ball specifications and packaged in Winchester's familiar USA white box. Each round drives a lead-core FMJ projectile at roughly 3,180 fps with 1,235 ft-lbs of muzzle energy, delivering the consistent accuracy and reliable cycling AR-15 shooters expect. The brass cases are Boxer-primed and fully reloadable, making this a smart choice for handloaders as well as high-volume shooters. Stock up for range days, carbine classes, optic zeroing, and general training in any 5.56 NATO-chambered rifle.
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- SKU
- WM193K
$15.66
Description
Features
- 5.56x45mm NATO Chambering — Loaded to M193 ball specifications for use in AR-15s, M16s, mini-14s, and other 5.56 NATO-chambered rifles.
- 55-Grain FMJ Projectile — Lead-core full metal jacket bullet delivers consistent accuracy, clean feeding, and reduced bore fouling round after round.
- 3,180 fps Muzzle Velocity — Hot M193 load generates roughly 1,235 ft-lbs of muzzle energy from a 20-inch barrel.
- Brass Cased and Boxer-Primed — Reloadable brass cases with non-corrosive Boxer primers make this ammo a favorite for handloaders building up brass inventory.
- Made in the USA — Manufactured at Winchester's Oxford, Mississippi plant to commercial and military-spec quality standards.
- White Box Bulk Packaging — Sold in Winchester's recognizable USA white-box configuration for high-volume training and range use.
- Reliable Cycling — Consistent powder charges and quality components deliver dependable semi-auto and full-auto function across AR-platform rifles.
- Versatile Training Load — Standard 55-grain M193 ballistics make it ideal for zeroing optics, practicing drills, and high-round-count carbine courses.
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