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Posted: 4/16/2006 9:10:21 PM EST
I know this may be dumb, but i dont know.. and i am building a rifle and need to know which to get... if they are different.
Link Posted: 4/16/2006 9:13:00 PM EST
Basically, yes. The 5.56 though has a thicker shell walls because it produces higher velocities.
Link Posted: 4/16/2006 9:13:27 PM EST
Link Posted: 4/16/2006 9:14:43 PM EST
[Last Edit: 4/16/2006 9:15:36 PM EST by blitzo]
Beat me to it
Link Posted: 4/17/2006 6:36:40 AM EST
As a general rule, if you have a choice between .223 and 5.56mm chamber, most people (and most applications) are served better by the 5.56mm
Link Posted: 4/17/2006 6:40:08 AM EST
5.56mm is a military load. it produces higher volicity and pressure
.223 is a comercal load with lower volicity and pressure
like DK-Prof said most applications are served better with a 5.56mm chamber. however if you are looking for long range accuracy you should go with something like a .223 because most of the match grade rounds are loaded to .223 specs and you will not get the same accuracy out of the 5.56mm
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