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  • 5.56x45 - 55 Grain FMJBT M193 - Fiocchi - 420 Rounds

5.56x45 - 55 Grain FMJBT M193 - Fiocchi - 420 Rounds

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Overview

Quantity - 420 rounds per box
Manufacturer - Fiocchi
Bullets - 55 grain full metal jacket boat tail (FMJBT) M193
Casings - Boxer-primed brass
Product Type Ammo
Manufacturer Fiocchi
Condition New
Bullet Weight 55 Grain
Bullet Type Full Metal Jacket Boat Tail (FMJ-BT)
Ammo Casing Brass
Quantity 420
Ammo Caliber 5.56x45mm
Manufacturer SKU 556M193F
Primer Type Boxer
Muzzle Velocity (fps) 3240
Muzzle Energy (ft lbs) 1280
Attracts Magnet No
UPC Barcode 762344864266
Use Type
Range Training
See More Information
Don’t be put off by this 5.56x45 round’s mysterious sounding “M193” designation. If AR-15 ammo had flavors like ice cream, M193 would be vanilla!

This round has all the patents of an M193. At 55 grains its bullet is loaded to a muzzle velocity 3,240 fps, as a full metal jacket it’s designed to feed without jamming in a semi-automatic, and with its boat tail its profile is optimized to reduce drag that could have dampened downrange velocities.

Fiocchi measures this round’s G1 ballistic coefficient (a measure of bullet aerodynamics, where a higher number is better) at 0.243. As such its bullet still ought to be moving at 1,817 fps at 400 yards (when fired out of a 20” barrel), at which point it packs more than 400 ft lbs of energy. Although this ammo is intended for range training, it’s still mighty effective for more serious business (if you catch our drift).

This round features a new brass case. It does look discolored, but interestingly enough all brass cases should look like that once they’re correctly heat-treated during their production process. Fiocchi just skipped polishing this brass, making it look more like America’s own common military grade M193 ammo as the result.

These 420 rounds are loose packed, contained all together in a big plastic bag within their box. Great if you hate opening boxes!

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