Quote Originally Posted by arbdullah View Post
Could you give us noobs a breakdown of what barrel length is used for what ranges/sporting disciplines/SHTF scenarios?


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20" is a 6mm ARC for PRS or long range shooting with a gas gun
16" is a 5.56 which is my main IPSC gun
10.3" is a 300blk because out short barrels its more efficient than 5.56 use it for IPSC too, but only really in club matches