I purchased this a couple weeks ago from Buds. I had the understanding it could fire 223 and 5.56. When I looked at the instruction manual it said only fire what is labeled on the barrel. On the barrel it says 5.56. Can it not use .223?

Question

I purchased this a couple weeks ago from Buds.  I had the understanding it could fire 223 and 5.56.  When I looked at the instruction manual it said only fire what is labeled on the barrel.  On the barrel it says 5.56.  Can it not use .223?

Jason T. · Answer

.223 or 5.56 NATO rounds are fine. Not sure why the manual excluded this.

James G. · Answer

Hi David, 223 is actually loaded to SAAMI pressure and 5.56 is loader to higher military pressure. The manual is backwards. A 5.56 barrel can fire both, but a 223 barrel should not for warranty reasons.

Jason T. · Answer

I'm guessing you're new to ARs, but the rule is a 5.56 chamber will fire both munition's, but a .223 chamber can only handle .223rounds. If you're still concerned, just read the reviews and you'll see many people fire both out of this exact rifle all the time. Yours is actually a premium rifle for this reason. If I'm buying an AR, its gotta be chambered in 5.56 NATO.

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I purchased this a couple weeks ago from Buds. I had the understanding it could fire 223 and 5.56. When I looked at the instruction manual it said only fire what is labeled on the barrel. On the barrel it says 5.56. Can it not use .223?