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Reef · November 7, 2012, 12:32 PM

I recently picked up a Sig M400 that has a 1 in 7 twist. Does anyone have any experience with 55 gr ammo with that twist rate?

November 7, 2012, 12:32 PM	#1
Reef Senior Member Join Date: April 29, 2012 Location: East Texas Posts: 105	.223/5.56 reloading question I recently picked up a Sig M400 that has a 1 in 7 twist. Does anyone have any experience with 55 gr ammo with that twist rate? __________________ 1911 is Faster than 911