Bolt gun, I single feed so OAL is not a concernWhat's your use case? AR? Bolt gun? Mag length? At 100 yards, there is no wrong answer 52gr-80gr IMO. At 300 75gr-80gr will serve you well, but your OAL requirement may rule out the 75 VLD and 80's.
how deep are you seating the 77'sHere's a target shooting 5 shot groups with Berger 77 OTMs and different powder loads at 100 yards using a 7 twist .223 barrel. I usually shoot Berger 55 FBs with a slower twist barrel though.
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I would try 77 OTM's, but lately they are very hard to find. I decided to use 77gr Sierra MK with 23gr of H4895 and a Fed205m primers, Lapua brass so far it has giving excellent accuracy.The rifle is a 223 with a 24" barrel 1/8 twist. What Berger Bullet would be the best choice for shooting 100 yds?
What Berger Bullet would be the best for shooting 300 yds?
I have Re15 and varget powder, BR4 primers.