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You got 150's to 3k in a vanilla 270?

GB1

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Campfire Kahuna
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Stupidity isn't a "decision",it's a Plight. Them differences are stark.

You are at the mercy of your "means","abilities" and "experience"...which of course copiously fuel Stupidity.

Funny how it actually works and I mean FUNNY!...............


Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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[quote=16bore]You got 150's to 3k in a vanilla 270? [/qu

ote]

Yes very vanilla and 22 inch barrel


Do as I say do, not as I do!
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Powder?

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That might be a new powder sprinkled with pixy dust...

Chrono must be wonky or something. My guess (I don't own a .270 anymore) you would have to lean on things really hard to get 3k even out of a 24" tube with 150's

IC B2

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I thought 3,100 outta 129 LRX in a 22" tube was warm.

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Nosler ql lists several powders over 3000 fps!!!!


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Originally Posted by cottontopbill
Nosler ql lists several powders over 3000 fps!!!!


So what powder do YOU use to get that velocity?









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Originally Posted by cottontopbill
Nosler ql lists several powders over 3000 fps!!!!



Sorry, not for a 150 grainer they don't. Even with a 26" tube (and who uses a 26 incher in a .270)? You gotta lean on it pretty good to crack 3k fps.

IC B3

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There was a fella on AR saying he got 3050 with 150 Bergers/H4831 in a 24" Krieger tube.
58.0 got me 2,844 in a 22" tube. But that's just 4831, hadn't tried anything else.

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Heres a swipe from the Nosler site....

Originally Posted by Nosler Forum
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 150, Nosler Accubond LR 58836 G7
Useable Case Capaci: 58.520 grain H2O = 3.800 cm�
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 64000 psi, or 441 MPa
or a maximum loading ratio or filling of 110 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

15 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Norma MRP 104.8 59.0 3.82 3058 99.9 64000 12403 1.135 ! Near Maximum !
Vihtavuori N560 106.6 58.7 3.81 3049 98.1 64000 12691 1.132 ! Near Maximum !
PB Clermont PCL 517 109.1 62.8 4.07 3043 98.8 64000 12441 1.124 ! Near Maximum !
SNPE Vectan SP 12 108.9 62.7 4.06 3043 98.9 64000 12420 1.124 ! Near Maximum !
Accurate MAGPRO 106.8 61.2 3.97 3038 96.9 64000 12744 1.138 ! Near Maximum !
IMR 7828 SSC 105.0 58.2 3.77 3031 98.5 64000 12257 1.124 ! Near Maximum !
ReloadSwiss RS 70 98.0 56.3 3.65 3028 100.0 64000 11518 1.129 ! Near Maximum !
Raufoss RA15 106.8 58.2 3.77 3025 99.3 64000 12211 1.138 ! Near Maximum !
Bofors RP5/NP ~approximation 106.8 58.2 3.77 3025 99.3 64000 12211 1.138 ! Near Maximum !
Alliant Reloder-22 106.8 58.2 3.77 3025 99.3 64000 12211 1.138 ! Near Maximum !
Winchester WXR 109.7 58.5 3.79 3024 99.2 64000 12226 1.139 ! Near Maximum !
Bofors RP15 109.7 58.5 3.79 3024 99.2 64000 12226 1.139 ! Near Maximum !
ReloadSwiss RS 60 95.1 53.8 3.49 3019 100.0 64000 10999 1.131 ! Near Maximum !
ADI AR 2213 105.9 57.8 3.74 3016 98.3 64000 12145 1.124 ! Near Maximum !
ADI AP 2214 109.7 61.4 3.98 3003 98.5 64000 11961 1.122 ! Near Maximum !
Ramshot Magnum 106.3 62.4 4.05 3003 99.7 64000 11638 1.130 ! Near Maximum !
IMR 7828 110.0 57.7 3.74 3001 98.2 61907 12177 1.141 ! Near Maximum !
Alliant Reloder-17 94.1 53.2 3.45 2995 100.0 64000 10922 1.139 ! Near Maximum !
Elcho 17 94.1 53.2 3.45 2995 100.0 64000 10922 1.139 ! Near Maximum !
Rottweil R905 107.9 57.8 3.74 2988 98.0 64000 11876 1.140 ! Near Maximum !
ADI AR 2209 102.8 55.2 3.57 2980 99.2 64000 11551 1.131 ! Near Maximum !
Alliant Reloder-19 103.4 55.8 3.61 2979 99.2 64000 11624 1.138 ! Near Maximum !
Bofors RP5 NT ~approximation 109.6 60.3 3.91 2978 96.5 64000 11954 1.129 ! Near Maximum !
PB Clermont PCL 511 95.7 55.0 3.56 2975 100.0 64000 11256 1.145 ! Near Maximum !
Ramshot Hunter 98.9 55.1 3.57 2973 100.0 64000 11240 1.145 ! Near Maximum !
Alliant Reloder-25 110.0 59.0 3.82 2973 100.0 57976 11813 1.178 ! Near Maximum !
Bofors RP14 ~approximation 104.1 56.2 3.64 2972 99.2 64000 11539 1.139 ! Near Maximum !
Winchester 760 93.4 53.3 3.45 2971 99.9 64000 11280 1.146 ! Near Maximum !
Hodgdon H414 93.4 53.3 3.45 2971 99.9 64000 11280 1.146 ! Near Maximum !
ReloadSwiss RS 62 96.2 54.4 3.52 2965 100.0 64000 10846 1.158 ! Near Maximum !
Somchem S365 100.6 54.0 3.50 2960 100.0 64000 10423 1.154 ! Near Maximum !
Norma 204 98.0 54.6 3.54 2953 99.0 64000 11315 1.140 ! Near Maximum !
Bofors RP4 ~approximation 101.2 54.6 3.54 2953 99.0 64000 11315 1.140 ! Near Maximum !
Raufoss RA4 101.2 54.6 3.54 2953 99.0 64000 11315 1.140 ! Near Maximum !
Hodgdon H4831 108.7 57.0 3.69 2951 97.7 64000 11438 1.136 ! Near Maximum !
Hodgdon H4831 SC 104.5 57.0 3.69 2951 97.7 64000 11438 1.136 ! Near Maximum !
Vihtavuori N550 95.6 52.7 3.42 2951 100.0 64000 10885 1.156 ! Near Maximum !
Norma URP 98.4 52.5 3.40 2950 100.0 64000 10744 1.152 ! Near Maximum !
Bofors RP19 ~approximation 98.5 52.5 3.40 2950 100.0 64000 10741 1.152 ! Near Maximum !
Accurate 4350 97.6 52.6 3.41 2946 100.0 64000 10700 1.168 ! Near Maximum !
Somchem S385 103.6 56.5 3.66 2941 99.6 64000 11096 1.158 ! Near Maximum !
IMR 4831 103.3 53.3 3.46 2932 100.0 64000 10508 1.160 ! Near Maximum !
Bofors RP4 NT ~approximation 98.8 54.1 3.51 2930 99.8 64000 10895 1.152 ! Near Maximum !
Winchester Supreme 780 101.8 57.9 3.75 2929 99.1 64000 11022 1.144 ! Near Maximum !
Accurate 3100 106.8 57.6 3.73 2929 100.0 64000 10764 1.171 ! Near Maximum !
Vihtavuori N165 108.9 58.1 3.77 2925 99.5 64000 10827 1.148 ! Near Maximum !
Rottweil R904 102.1 54.3 3.52 2923 98.3 64000 11029 1.143 ! Near Maximum !
ReloadSwiss RS 52 90.9 50.6 3.28 2923 100.0 64000 10266 1.155 ! Near Maximum !
Hodgdon H4350 100.8 53.2 3.45 2914 99.6 64000 10694 1.145 ! Near Maximum !
Lovex S070 98.1 52.3 3.39 2914 99.9 64000 10707 1.161 ! Near Maximum !
IMR 4350 98.9 53.1 3.44 2913 99.6 64000 10671 1.146 ! Near Maximum !
Hodgdon H380 90.9 50.1 3.25 2908 100.0 64000 10374 1.160 ! Near Maximum !
Hodgdon Hybrid 100V 101.0 52.7 3.42 2906 100.0 64000 9893 1.153 ! Near Maximum !
Norma 203B 90.0 48.6 3.15 2906 100.0 64000 10142 1.159 ! Near Maximum !
Vihtavuori N160 108.9 56.3 3.65 2906 98.2 64000 10823 1.145 ! Near Maximum !
Rottweil R907 95.8 50.8 3.29 2894 99.6 64000 10544 1.155 ! Near Maximum !
Bofors RP7 95.8 50.8 3.29 2894 99.6 64000 10544 1.155 ! Near Maximum !
IMR 4007 SSC 92.8 50.8 3.29 2893 99.6 64000 10537 1.155 ! Near Maximum !
Norma 203 old 91.2 49.7 3.22 2893 100.0 64000 9980 1.172 ! Near Maximum !
Bofors RP3 91.2 49.7 3.22 2893 100.0 64000 9980 1.172 ! Near Maximum !
Elcho TR140 - preliminary data 90.6 50.5 3.27 2892 100.0 64000 10105 1.157 ! Near Maximum !
Bofors RP30 110.0 59.3 3.85 2892 97.2 52884 12282 1.237
Norma MRP 2 110.0 59.3 3.85 2892 97.2 52884 12282 1.237
Somchem S361 100.9 58.0 3.76 2891 97.7 64000 10808 1.153 ! Near Maximum !
Lovex S065 97.0 51.2 3.32 2890 100.0 64000 10291 1.161 ! Near Maximum !
Rottweil R903 93.3 49.8 3.22 2888 100.0 64000 9895 1.172 ! Near Maximum !
Vihtavuori N570 110.0 62.6 4.05 2888 91.3 51404 13059 1.244
Somchem S355 93.5 49.3 3.20 2885 100.0 64000 9917 1.166 ! Near Maximum !
Alliant Reloder-33 110.0 65.2 4.23 2858 91.4 50701 12863 1.253
Lovex S071 110.0 56.1 3.64 2851 99.8 58148 10651 1.223 ! Near Maximum !
Accurate 2700 92.9 52.3 3.39 2846 99.5 64000 9951 1.159 ! Near Maximum ![/code]

MRP, N560 and MagPro are your friends for maximum velocity.



You better pray to the God of Skinny Punks that this wind doesn't pick up......
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Campfire 'Bwana
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If you are imprudent enough, you can goose a 150 gr bullet from a 270 at over 3000 fps (I have done it); much the same way you can get 3200 from a 160 in a 7 Rem Mag.

Neither is particularly bright nor to be recommended as in both cases the loads are clearly over the top.

I use 2900 fps as the benchmark in a 270 with 150 gr, regardless which miracle powder a guy likes to burn.Makes life simpler. As always, you want more, buy a bigger cartridge.




The 280 Remington is overbore.

The 7 Rem Mag is over bore.
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Bob, just buying something bigger I am afraid makes too much sense!

As long as I can remember loonies have been trying to make a 270 a 7 rem mag. The sad part is they don't realize the old 270 does just fine on its on merits.


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rta: Some folks do try to coax a bit more from lotsa stuff. smile




The 280 Remington is overbore.

The 7 Rem Mag is over bore.
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Originally Posted by Big Stick
Bedding................


What if the rifle shoots other bullets well? Could it still be a bedding issue then? Not trying to be funny, just think we all learn a lot from the forum and maybe can get good opinions on this.

Pieter

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Campfire Kahuna
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Bedding.

None of this schit is Rocket Science and I'm often amused how folks just love to step over the obvious and spin their wheels................


Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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If its consistently the 3rd shot flying out, then it's an ammo issue only if he [bleep] up every 3rd round at the loading bench and then shoots them in that order.

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Campfire Kahuna
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Don't go making sense,you are going to phuqq these gals up..................(grin)


Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."
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Also, are you shooting/using the same brass for all those groups?

If so, you may have one piece of brass that doesn't like working with the other two.
Shoot them and sharpie the brass that throws the shot. Load them and try again.
See what happens.


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