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Discussion Starter · #1 · (Edited)
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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Discussion Starter · #9 ·
If it penetrates body armor, it won't be available to the public.
Correct:
I read, that specific round (penetrates body armor) only the military and law enforcement will be allowed to get that type of ammo.
WE civilians will get the civilian market ammo.
As far as reloaders, maybe they could?
 

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Discussion Starter · #13 ·
A background article on the cartridge:


It specifically mentions the FN P90 PDW in use by many nations.
It goes to show you, they new they had a issue with body armour in the 1980's and in 1990's made the 5.7mm.
The 5.7 has been evolving every since and will continue to evolve.
Now with NATO adopting the 5.7mm it should increase market share and with that more firearms for all of us?
 

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Discussion Starter · #26 · (Edited)
I have to admit, if I was going to go down the 5.7 road, the Keltec P50 with some type of stock or brace looks like fun. My DA mask is rated for 5.7 but at the speed those rounds running, there would still be a far amount of sonic crack
How about this from Kel-Tec:
Think of how many uses for this Kel-Tec carbine?


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From what I've read from the 2022 gun show:
Look for the rifle conversion kit later this year and plan to spend around $300 for it.

 

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Discussion Starter · #29 ·
I'm not sure I understand your statement. All 5.7? It's been around for a bit. Perhaps you're referring to a particular bullet type/load?
The NATO adoption is.
The whole idea does make sense on some level. Same caliber for handguns and carbines.
Now, is 5.7x28 a handgun or rifle cartridge?
Read this to be enlightened:

 
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