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bamaranger · April 14, 2017, 09:22 PM

I am not clear on the details of the two designations, nor the rifles so marked.

But....I can tell you that I shot some NATO headstamped 5.56mm (55 gr?) from my MiniMauser, and it clocked 3850 fps plus!!! That was enough of that.

That ammo is now relegated to the AR. Accuracy BTW, was terrible in the bolt rifle.

April 14, 2017, 09:22 PM	#27
bamaranger Senior Member Join Date: October 9, 2009 Location: North Alabama Posts: 8,312	.223 v. 5.56mm I am not clear on the details of the two designations, nor the rifles so marked. But....I can tell you that I shot some NATO headstamped 5.56mm (55 gr?) from my MiniMauser, and it clocked 3850 fps plus!!! That was enough of that. That ammo is now relegated to the AR. Accuracy BTW, was terrible in the bolt rifle.