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 Post subject: M48 Custom Rifle ( Left Handed )
PostPosted: Thu Feb 26, 2015 10:21 pm 
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Joined: Sat May 26, 2012 6:45 am
Posts: 3865
http://rifles.nosler.com/index.php?rout ... duct_id=52

This is what I'm having built.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Thu Feb 26, 2015 10:34 pm 
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Joined: Sat Oct 30, 2004 6:45 pm
Posts: 22858
Location: Cheyenne, WY
Nice Still doing the 26" barrel?

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Thu Feb 26, 2015 10:40 pm 

Joined: Wed Nov 08, 2006 2:49 pm
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Location: Northern British Columbia
Very nice, Vince. That should be a dandy acquisition for you.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Feb 27, 2015 4:41 am 

Joined: Sat Nov 23, 2013 11:18 am
Posts: 691
Location: Western NY
That is very nice Vince.. Sure will put the fear in those moose up north this fall. Best of luck with it.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Feb 27, 2015 8:03 am 
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Joined: Thu Nov 04, 2004 12:08 pm
Posts: 20806
Location: Cedar Springs, MI
Vince,

Very nice buddy.
When do you expect to get your M48 Custom?

JD338

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Feb 27, 2015 10:10 am 
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Joined: Sat May 26, 2012 6:45 am
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About April I think.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Feb 27, 2015 10:13 am 
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Joined: Sat May 26, 2012 6:45 am
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FOTIS wrote:
Nice Still doing the 26" barrel?

So far.
I have a 22 " barrel on my 30-06 now so I was thinking a 26 " barrel on this one for a two gun 30-06 combo.
Having second thoughts about that now. Just wondering what gains I can expect to see.

Vince

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Thu Mar 12, 2015 11:11 pm 

Joined: Thu Apr 06, 2006 8:42 am
Posts: 15837
Location: Washington State
Vince wrote:
FOTIS wrote:
Nice Still doing the 26" barrel?

So far.
I have a 22 " barrel on my 30-06 now so I was thinking a 26 " barrel on this one for a two gun 30-06 combo.
Having second thoughts about that now. Just wondering what gains I can expect to see.

Vince

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I don't know... never put the chronograph to work when my 1917 .30-06 had a 26" barrel. It's close to "book" velocity trimmed to the 21" length, so I'm thinking there might be a fair bit to gain with a full 26" tube...

Dunno. You'll have to tell us! :grin:

Guy


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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Mar 13, 2015 12:24 am 
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Posts: 3865
I read a really interesting article about longer barrels on the 30-06 by a bloke named German Salazar.
He seems to contradict a lot of the gunshop wisdom. I've been getting told by some that I won't see significant gains over the 22" barrel. I guess I'll just have to try it and see.

Vince

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Mar 13, 2015 7:08 am 

Joined: Mon Feb 27, 2006 7:09 pm
Posts: 5035
Location: Western Montana
Vince my Ruger #1B in 30-06 has the standard factory 26" barrel and I am getting 2940 fps with 165 gr. Partitions or Accubonds with 57.4 grs of IMR4350. I used that exact same load in a 22" barrel on a Model 700, but when I had that rifle I did not own a chronograph. It would be interesting to see how it would shake out. Take a look at some testing I did.

viewtopic.php?f=45&t=19372

In this testing I used 3 different rifles in 6mm Remington with three different bullets. The loads were the exact same used in each rifle. The little model 600 Remington has the 18 1/2" barrel, the Ruger M77 has a 22" barrel, and my #1B in 6mm has the 26" barrel. This gives a good view of different barrel lengths and effects on muzzle velocity. What my test showed seemed to go along with most of the reading I have done on how barrel length effects velocity in most cases.

By the way I cannot wait for you to get that new rifle. It is gorgeous!

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Mar 13, 2015 11:15 am 
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Joined: Sat Oct 30, 2004 6:45 pm
Posts: 22858
Location: Cheyenne, WY
MV 2000-2500 fps, the approximate change in MV per 1" change in barrel length is 10 fps.
MV 2500-3000 fps, the approximate change in MV per 1" change in barrel length is 20 fps.
MV 3000-3500 fps, the approximate change in MV per 1" change in barrel length is 30 fps.
MV 3500-4000 fps, the approximate change in MV per 1" change in barrel length is 40 fps.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Fri Mar 13, 2015 11:23 am 
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80 fps if that's accurate.
Not as big of a gain as I was hoping. :(
I'll just have to give it a go and see. One of my mates has a 26" barrel on his 30-06 and loves it. He states he's in the high 2900 fps to just over 3000 fps with 165/168 grail pills.

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 Post subject: Re: M48 Custom Rifle ( Left Handed )
PostPosted: Wed Mar 25, 2015 5:32 am 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 30641
Location: Northern Virginia
Vince wrote:
80 fps if that's accurate.
Not as big of a gain as I was hoping. :(
I'll just have to give it a go and see. One of my mates has a 26" barrel on his 30-06 and loves it. He states he's in the high 2900 fps to just over 3000 fps with 165/168 grail pills.

Vince

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I don't think you'll be too far off with the right powder...

Cartridge : .30-06 Spring. (SAAMI)
Bullet : .308, 168, Nosler BalTip 30168
Useable Case Capaci: 59.813 grain H2O = 3.884 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-17

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 82 47.20 2466 2268 31572 7588 95.9 1.544
-18.0 84 48.38 2527 2382 33765 7785 96.9 1.503
-16.0 86 49.56 2588 2498 36121 7966 97.7 1.463
-14.0 88 50.74 2648 2616 38647 8130 98.4 1.419
-12.0 90 51.92 2709 2737 41359 8277 99.0 1.375
-10.0 92 53.10 2768 2859 44272 8405 99.5 1.333
-08.0 94 54.28 2828 2983 47405 8514 99.8 1.293
-06.0 96 55.46 2887 3108 50780 8603 100.0 1.254
-04.0 98 56.64 2945 3235 54415 8671 100.0 1.216
-02.0 100 57.82 3002 3363 58322 8732 100.0 1.180 ! Near Maximum !
+00.0 102 59.00 3059 3492 62577 8790 100.0 1.145 ! Near Maximum !
+02.0 104 60.18 3116 3622 67164 8844 100.0 1.112 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 61.36 3172 3753 72130 8896 100.0 1.079 !DANGEROUS LOAD-DO NOT USE!
+06.0 108 62.54 3227 3886 77532 8944 100.0 1.048 !DANGEROUS LOAD-DO NOT USE!
+08.0 110 63.72 3283 4020 83399 8988 100.0 1.018 !DANGEROUS LOAD-DO NOT USE!
+10.0 112 64.90 3338 4156 89795 9028 100.0 0.989 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 102 59.00 3169 3745 76557 8415 100.0 1.064 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 59.00 2890 3115 50540 9132 98.5 1.253

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