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re: Complete 300BO upper recs

Posted on 1/22/24 at 9:32 pm to
Posted by BadatBourre
Member since Jan 2019
751 posts
Posted on 1/22/24 at 9:32 pm to
No real reason to go longer than 12" with a 300 blackout, especially if going suppressed. What you need to pay attention to is twist rate of the barrel. The ballistics of a 300 blackout is pretty much capped at 10 inches. Twist rate will affect your accuracy at ranges more than 6 more inches of barrel will.
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