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NATO adopts the 5.7mm

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The FN-designed 5.7x28mm caliber has joined the ranks of 5.56 and 7.62 by recently being standardized by NATO.

Looks like more firearm manufacturers will be producing 5.7mm?
I wonder will the price of ammo come down?

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From left to right: 9×19mm Parabellum, .40 S&W, .45 ACP, 5.7×28mm, 5.56×45mm NATO, .300 Winchester Magnum, with 2.75-inch (70 mm) and 3-inch (76 mm) 12 gauge shotgun shells


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Left to right, .22 WMR, 5.7 NATO, 5.56 NATO (Photo: Chris Eger/Guns.com)

9mm Fiocchi 115 Grain Full Metal Jacket
Average muzzle velocity: 1132 fps
Average muzzle energy: 327 fps


9mm Sig Sauer 124 Grain Jacketed Hollow Point
Average muzzle velocity: 1151 fps
Average muzzle energy: 365 ft/lbs


5.7mm FN 30 Grain SS195LF Jacketed Hollow Point
Average muzzle velocity: 2162 fps
Average muzzle energy: 311 ft/lbs


5.7mm American Eagle 40 Grain Full Metal Jacket
Average muzzle velocity: 1653 fps
Average muzzle energy: 243 ft/lbs

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THE biggest drawback to 5.7 is the cartridge coating necessary for proper function. It has been mentioned above, but not emphasised enough IDT.
I wasn't even aware of that issue until I'd read about it somewhere else, before. It makes reloading a real challenge as you mentioned.
It’s been mentioned this is a great round for a sub gun. I personally don’t believe subguns have a place in weaponry except for perhaps a very small subsection. Moder SBR’s would serve the same purpose, with longer range capability to boot.
That's a solid point. There's a reason sub guns aren't really in broad use by military and police organizations like they used to be.
 
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