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17 / 5.56 KAK

No but I'd be interested in its results vs the 223rem and the 20practical in their similar bullet weights (35gr for the 223 and 20p and as heavy as .17goes).
Well if you put a 35gr in all 3 I'd assume that the 223 would be the fastest.

Carbon rings and special cleaning rods in a 17cal autoloader kinda steer my away from it.
 
Had 17-223 AI wildcat built a few years back. Got pressure load at 5060 FPS (Hammer Bullet) with bullets touching.
Don't know what makes one easier or not easier to load. But it's an awesome cartridge to shoot. Especially if you like watching point of impact.
Like with anything 17cal bucking the wind is a fun game even at my mach 4.28 velocities it's currently running.
 
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