I'm getting decent 4 shot groups right around 1" at 100 yards with 69gr Sierra match kings with OAL of 2.250. Do you think I would see a improvement going to say 2.255 or 2.260 (Mag length)? If it matters my barrel is a 16" ballistic advantage 223 wylde stainless steel Hanson barrel 1/8 twist. Life goal for me would be under a 1". Any tips would be great appreciated. Thanks folks.

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