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300 win mag group
#7064359
02/03/18 07:14 PM
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Joined: Feb 2009
Posts: 5,872
GLC
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Feb 2009
Posts: 5,872 |
So I finally got my reloading stuff un boxed from moving about 6 months ago. Having some weird things going on. Best loads I have found with 178 ELDX 20 thousands off rifling IMR 4831, found nodes at 69.6 and 70.7. decent groups but they string horizontally. All other undesired loads were hitting in different places but best groupings went horizontal. Shot at the range so little wind drift possible, shot off bench with bipod and sand sock, barrel floated, did not let barrel over heat, all loads were closely watched with .01 to .02 grain powder spread, all verified same length COAL to Ogive, do not own chronograph. Guesses?
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Re: 300 win mag group
[Re: GLC]
#7064412
02/03/18 08:22 PM
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Joined: Dec 2008
Posts: 41,173
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,173 |
How's the trigger? Are you fighting it?
Bedded action? Free-floated barrel?
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Re: 300 win mag group
[Re: GLC]
#7064483
02/03/18 09:41 PM
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Joined: Feb 2009
Posts: 5,872
GLC
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Feb 2009
Posts: 5,872 |
Trigger 1.5 pounds, maybe even too light, very smooth. Action bedded and barrel floated.
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Re: 300 win mag group
[Re: GLC]
#7064489
02/03/18 09:46 PM
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Joined: Nov 2007
Posts: 9,523
RiverRider
THF Trophy Hunter
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THF Trophy Hunter
Joined: Nov 2007
Posts: 9,523 |
Sometimes I'll do that shooting off a bench if I haven't set myself behind the rifle correctly and I'm fighting the rear bag without realizing it.
"Arguing with you always makes me thirsty." -Augustus McRae
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Re: 300 win mag group
[Re: GLC]
#7064546
02/03/18 11:06 PM
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Joined: Feb 2009
Posts: 5,872
GLC
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Feb 2009
Posts: 5,872 |
Just thought of something, bought another by-pod 3 weeks ago so I did not have to swap between two guns at the range while one is cooling. It attached directly to picatinny rail instead to the gun sling device. It doesn't swivel. Even though the stock is solid, wonder if I was torquing something when shooting?
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Re: 300 win mag group
[Re: GLC]
#7064608
02/04/18 12:00 AM
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Joined: Dec 2008
Posts: 41,173
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,173 |
Why the hell did you buy a non-swivel bipod? Yes, that is possible.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: 300 win mag group
[Re: J.G.]
#7064621
02/04/18 12:10 AM
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Joined: Feb 2009
Posts: 5,872
GLC
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Feb 2009
Posts: 5,872 |
Why the hell did you buy a non-swivel bipod? Yes, that is possible. SENIOR MOMENT
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Re: 300 win mag group
[Re: GLC]
#7065767
02/04/18 11:17 PM
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Joined: Jan 2017
Posts: 119
earl39
Woodsman
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Woodsman
Joined: Jan 2017
Posts: 119 |
Easy rule is vertical is powder and horizontal is seating. It is not a steadfast rule but about 90% of the time it will hold true.
"And you shall know the truth, and the truth shall make you free.” John 8:32 (New King James Version)
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Re: 300 win mag group
[Re: GLC]
#7065784
02/04/18 11:28 PM
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Joined: May 2010
Posts: 4,073
RedSnake
Extreme Tracker
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Extreme Tracker
Joined: May 2010
Posts: 4,073 |
I bet if you shoot that load prone on a rear bag, that group is going to tighten right up. I have a 1/4 moa load that does that when I switch between a Harris and Atlas bipod and shoot from the bench.
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Re: 300 win mag group
[Re: earl39]
#7065861
02/05/18 12:32 AM
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Joined: Dec 2008
Posts: 41,173
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,173 |
Easy rule is vertical is powder and horizontal is seating. It is not a steadfast rule but about 90% of the time it will hold true. Can't argue that. Horizontal can also be trigger control/ follow through as well.
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