m-16 ?

[ek127]

I'm looking for opinions about the best round to use in the m-16 or AR-15 keeping in mind, I dont know if the twist is 1:12, 1:9,or 1:7.
This would be used for tactical purposes.
Thanks for the input.
EK

[blades67]

Buy 20 rounds in every bullet weight you can find, go to the range and find the one your AR15 likes the best.

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May your lead always hit center mass and your brass always land in your range bag.

~Blades~