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300 BO OAL
#6606703
12/29/16 03:22 PM
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Joined: Apr 2011
Posts: 8,048
Cool Mo D
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Apr 2011
Posts: 8,048 |
My cousin has a Ruger American in 300BO that he's trying to get to group. He's about got it where he wants it, but I thought I'd throw it out here and see what y'all think. The rifle is suppressed shooting a Speer Hot-Core 200gr Spitzer SP, with 8.0gr of Lil Gun with an OAL of 2.18. Any help is appreciated.
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Re: 300 BO OAL
[Re: Cool Mo D]
#6606836
12/29/16 04:58 PM
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Joined: Nov 2014
Posts: 488
HandgunHTR
Bird Dog
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Bird Dog
Joined: Nov 2014
Posts: 488 |
Since it is a bolt gun, you can open up the OAL length a bit to see if it changes his groups. Just be careful that you don't end up jamming the bullet into the lands. With the fast powders used in the BO, you can create overpressure situations pretty quickly.
#FighttheNoise
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Re: 300 BO OAL
[Re: Cool Mo D]
#6617146
01/05/17 03:28 AM
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Joined: Jan 2016
Posts: 1,052
glocker17
Pro Tracker
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Pro Tracker
Joined: Jan 2016
Posts: 1,052 |
Start around .010 off the lands and see where that takes you. Slice the case neck on 2 sides so the bullet will slide in easily and measure your "jam" length and go from there.
Last edited by glocker17; 01/05/17 04:23 AM.
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Re: 300 BO OAL
[Re: Cool Mo D]
#6618249
01/05/17 08:58 PM
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Joined: Apr 2011
Posts: 8,048
Cool Mo D
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Apr 2011
Posts: 8,048 |
He's got it going now. Thanks guys.
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