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Author Topic: Long range for beginners  (Read 46706 times)

Offline Magnum_Willys

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Re: Long range for beginners
« Reply #135 on: April 05, 2018, 09:19:35 AM »
Using Leupold thread-on flipups.  Work pretty well but lil magnets holding them closed fall out it appears. Lost some on a couple. Need to callem and glue in better

Offline Oh Mah

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Re: Long range for beginners
« Reply #136 on: April 08, 2018, 05:33:00 PM »
I just asked this on another thread but since the two are the same subject i want to ask the shooters that know on here also.

I have an aluminum bedded Bell and Carlson tactical stock,.300 rum.What would you consider to be the min. torque for the action screws.I say max is around 60 in pounds.
"Boss of the woods"
(this is in reference to the biggie not me).

Offline jasnt

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Re: Long range for beginners
« Reply #137 on: April 08, 2018, 05:52:24 PM »
55-60. My chassis is listed at 65 in/lbs
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline Oh Mah

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Re: Long range for beginners
« Reply #138 on: April 08, 2018, 05:57:06 PM »
Have you ever went lower to see if grouping got tighter?I'm at 40 now from 60 and groups are 1/4 in smaller consistently at 200. thanks
"Boss of the woods"
(this is in reference to the biggie not me).

Offline jasnt

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Re: Long range for beginners
« Reply #139 on: April 08, 2018, 06:52:44 PM »
I have not played with torque.
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline Oh Mah

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Re: Long range for beginners
« Reply #140 on: April 08, 2018, 07:13:33 PM »
Ok,Thanks jasnt.  :tup:

I am just under 1 moa as is,would like to get to 1/2.I will go down to 30 from the 40 i am at and see if it gets even better or worse from there I'll stop there if worse i will go back up to the 40.. Thanks.
"Boss of the woods"
(this is in reference to the biggie not me).

Offline jasnt

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Re: Long range for beginners
« Reply #141 on: April 08, 2018, 07:35:09 PM »
Ok,Thanks jasnt.  :tup:

I am just under 1 moa as is,would like to get to 1/2.I will go down to 30 from the 40 i am at and see if it gets even better or worse from there I'll stop there if worse i will go back up to the 40.. Thanks.
how much have you played with seating depth? I've never loaded for a rifle that I had to work to get half moa. But I have had to jump over .1 to get half moa. I always start with seating depth loaded to min charge. .030" intervals then find ocw then fine tune seating depth. This has been the best proses for me
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline Oh Mah

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Re: Long range for beginners
« Reply #142 on: April 08, 2018, 07:52:17 PM »
I haven't started to work up a load yet,I'm running the ammo that came with the rifle I bought from a member on here.210 grain Nosler trophy grade long range.

6 one way half a dozen the other,I want to get the rifle straight first as good as it gets then i will work up the ammo from there.

So far from him to me

Dropped the weight on the trigger from 6.5 pounds down to 1.5 pounds.(checked with dead blow hammer to make sure doesn't fire).

Added Witt machine brake.

Added Harris pivoting bipod.

Cleared the barrel channel in the stock for full clearance floating.

Lowered the torque on the action screws.

These small things so far has tightened the grouping nicely so far.I will try the set up again tomorrow if all is good then i will work up a load starting with about a .010 jump to lands.Thanks again.End of thread jack unless you all think this is a part of long range shooting you are interested in.   :tup:
"Boss of the woods"
(this is in reference to the biggie not me).

Offline jasnt

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Re: Long range for beginners
« Reply #143 on: April 08, 2018, 08:12:28 PM »
If you plan to shoot long range with it its no thread jack.
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline Oh Mah

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Re: Long range for beginners
« Reply #144 on: April 08, 2018, 08:46:52 PM »
I do.  :tup:
"Boss of the woods"
(this is in reference to the biggie not me).

Offline wooltie

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Re: Long range for beginners
« Reply #145 on: April 09, 2018, 10:10:58 AM »
The action torque spec idea is interesting.  I have a model 70 (new production) seated in a B&C medalist.  The specs say 65 ft/lbs, but I run it 50-60.  That seems to be tight enough where it doesn't feel over tight, but also doesn't come loose.

I haven't bedded the recoil lug yet.  Might do that once I figure out this reloading thing.  I started reloading at .020" off the lands, but I think these accubonds prefer a larger jump, as much as .100".  fWIW, changing seating depth over charged improved my groups, but still not where I want them, so I'm going to try 165g instead.

Finding the velocity flat spots makes sense to me for LR shooting.


« Last Edit: April 09, 2018, 10:26:27 AM by wooltie »

Offline jasnt

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Re: Long range for beginners
« Reply #146 on: April 09, 2018, 10:26:13 AM »
I do.  :tup:
you will need to tell us a little about the rifle 🍻
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline yorketransport

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Re: Long range for beginners
« Reply #147 on: April 09, 2018, 10:41:26 AM »
Have you ever went lower to see if grouping got tighter?I'm at 40 now from 60 and groups are 1/4 in smaller consistently at 200. thanks

This sounds like the bedding is bad on the stock. When you torque it down to spec the action is getting "twisted" in the bedding block causing inconsistent contact. Lowering the torque is reducing the amount of uneven contact. Every B&C stock I've had needed to be bed for best results. The only type of bedding block that I don't bed with Devcon is a true V block.

I will throw out there that if it's a 3 screw single shot action you may benefit from playing with the torque on the center action screw.

Offline jasnt

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Re: Long range for beginners
« Reply #148 on: April 09, 2018, 07:42:10 PM »
Have you ever went lower to see if grouping got tighter?I'm at 40 now from 60 and groups are 1/4 in smaller consistently at 200. thanks

This sounds like the bedding is bad on the stock. When you torque it down to spec the action is getting "twisted" in the bedding block causing inconsistent contact. Lowering the torque is reducing the amount of uneven contact. Every B&C stock I've had needed to be bed for best results. The only type of bedding block that I don't bed with Devcon is a true V block.

I will throw out there that if it's a 3 screw single shot action you may benefit from playing with the torque on the center action screw.
this is more inline with torque testing I've heard of
243Round ht ct. 215
243 #2 78

300wm 698

The commission shall attempt to maximize the public recreational game fishing and hunting opportunities of all citizens, including juvenile, disabled, and senior citizens.
https://apps.leg.wa.gov/RCW/default.aspx?cite=77.04.012

Offline Jonathan_S

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Re: Long range for beginners
« Reply #149 on: April 09, 2018, 08:40:15 PM »
The action torque spec idea is interesting.  I have a model 70 (new production) seated in a B&C medalist.  The specs say 65 ft/lbs, but I run it 50-60.  That seems to be tight enough where it doesn't feel over tight, but also doesn't come loose.

I haven't bedded the recoil lug yet.  Might do that once I figure out this reloading thing.  I started reloading at .020" off the lands, but I think these accubonds prefer a larger jump, as much as .100".  fWIW, changing seating depth over charged improved my groups, but still not where I want them, so I'm going to try 165g instead.

Finding the velocity flat spots makes sense to me for LR shooting.

Iíve only loaded .30 and .257 accubonds. In my experience the Nosler data for COAL length is fine. I couldnít get them to zip though. Gave up and went back to Bergers.
Kindly do not attempt to cloud the issue with too many facts.

 


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