can i shoot 5.56x45 ammo out of my AR that is chambered for 5.56?The reason i ask is because my AR doesn't say it is chambed for the 5.56x45 just 5.56.Is it the same ammo or is it different.
The beauty of the second amendment is that it will not be needed until they try to take it." -Thomas Jefferson
Ban Liberals!!! Save America!!!!