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270wsm loads.

 
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  #1  
Old 07-15-2011, 01:35 AM
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270wsm loads.

I have a new rifle,Kimber 8400 Classic 270wsm.
Has anyone got data on the 270 wsm,shooting 140grs Nosler Accubond.
Powder i have N550,n160 and Norma MRP.

thanks
Olav
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  #2  
Old 07-16-2011, 06:57 AM
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Re: 270wsm loads.

I had the same rifle that shot exceptionally well with sub .5 moa but using 62.5 gr IMR4350 with 140 Accubonds or Ballistic Tips to same POI. Used Win brass and Fed Magnum primers. Velocities were 3200.
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  #3  
Old 08-07-2011, 10:18 AM
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Re: 270wsm loads.

I too have a "new", at least to me, 270 WSM. Mine is the opposite of yours. I have a Winchester High Wall with a 28 inch barrel. I am interested in what you learn and will follow this thread. I do have experience with a 270 Weatherby with a 24 inch barrel, it was made by Mac Bros early in their existance on a Santa Barbra Mauser. The lock time was terrible and at the time there was not a speedlock kit. What I learned from this custom rifle was that the 150 gr bullets could be driven at speeds above 3200 fps and the 130 gr bullets only a few fps faster. I have 140 Accubonds, ballistic tips, and Berger hunting hollowpoints on hand and will wring them out. I have chosen to start with 150gr ballistic tips however. Following is some quickload data I found. MRP is one of the top powders. That is where I would start. MRP is not currently available in the US. I would like some but it is likely the next batch will be unlike the current. 65WSM

Cartridge : .270 WSM
Bullet : .277, 150, Nosler PART SP 16323
Cartridge O.A.L. L6: 2.860 inch or 72.64 mm
Barrel Length : 24.0 inch or 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 105 %

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 !

Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Ramshot Magnum (Big Boy) 101.2 72.1 4.67 3153 99.9 64000 13959 1.162 ! Near Maximum !
PB Clermont PCL 517 101.5 72.1 4.67 3153 99.9 64000 13947 1.162 ! Near Maximum !
SNPE Vectan SP 12 101.4 72.0 4.67 3151 99.9 64000 13916 1.163 ! Near Maximum !
Vihtavuori N560 98.8 67.1 4.35 3151 99.4 64000 14239 1.167 ! Near Maximum !
Norma MRP 96.9 67.3 4.36 3144 100.0 64000 13690 1.175 ! Near Maximum !
Accurate MAGPRO 99.0 70.0 4.54 3144 98.6 64000 14386 1.175 ! Near Maximum !
Alliant Reloder-25 104.6 69.2 4.49 3143 100.0 64000 13168 1.166 ! Near Maximum !
IMR 7828 SSC 97.6 66.7 4.32 3142 99.6 64000 13785 1.157 ! Near Maximum !
IMR 7828 103.2 66.7 4.32 3142 99.6 64000 13785 1.157 ! Near Maximum !
ADI AR 2213 98.8 66.4 4.30 3130 99.6 64000 13682 1.154 ! Near Maximum !
ADI AP 2214 102.6 70.9 4.59 3130 99.8 64000 13491 1.152 ! Near Maximum !
Bofors RP5/NP ~approximation 99.0 66.6 4.32 3122 100.0 64000 13595 1.173 ! Near Maximum !
Alliant Reloder-22 99.0 66.6 4.32 3122 100.0 64000 13595 1.173 ! Near Maximum !
Raufoss RA15 99.0 66.6 4.32 3122 100.0 64000 13595 1.173 ! Near Maximum !
Winchester WXR 101.7 66.9 4.34 3122 99.9 64000 13620 1.174 ! Near Maximum !
Vihtavuori N570 105.0 73.7 4.77 3120 96.2 57903 15420 1.219 ! Near Maximum !
Rottweil R905 100.4 66.3 4.30 3096 99.4 64000 13392 1.171 ! Near Maximum !
Norma MRP 2 105.0 69.9 4.53 3096 99.6 60183 14069 1.212 ! Near Maximum !
ADI AR 2209 95.8 63.4 4.11 3086 99.9 64000 12942 1.160 ! Near Maximum !
Alliant Reloder-19 96.3 64.1 4.15 3083 99.9 64000 13001 1.167 ! Near Maximum !
Bofors RP14 ~approximation 97.0 64.5 4.18 3077 99.9 64000 12912 1.168 ! Near Maximum !
Winchester 760 86.8 61.1 3.96 3070 100.0 64000 12532 1.174 ! Near Maximum !
Hodgdon H4350 91.6 60.6 3.93 3068 100.0 64000 12285 1.167 ! Near Maximum !
Ramshot Hunter 91.9 63.1 4.09 3067 100.0 64000 12456 1.175 ! Near Maximum !
Hodgdon H4831 101.5 65.6 4.25 3065 99.2 64000 12954 1.164 ! Near Maximum !
Hodgdon H4831 SC 97.6 65.6 4.25 3065 99.2 64000 12954 1.164 ! Near Maximum !
Bofors RP4 ~approximation 94.4 62.8 4.07 3062 99.9 64000 12704 1.166 ! Near Maximum !
Raufoss RA4 94.4 62.8 4.07 3062 99.9 64000 12704 1.166 ! Near Maximum !
Norma 204 91.5 62.8 4.07 3062 99.9 64000 12704 1.166 ! Near Maximum !
IMR 4350 94.1 59.9 3.88 3060 100.0 64000 12276 1.169 ! Near Maximum !
Hodgdon H414 84.8 60.1 3.90 3051 100.0 64000 12366 1.179 ! Near Maximum !
Alliant Reloder-17 84.7 59.1 3.83 3048 100.0 64000 11779 1.164 ! Near Maximum !
Vihtavuori N550 88.9 60.4 3.92 3042 100.0 64000 12083 1.184 ! Near Maximum !
Somchem S385 96.4 64.8 4.20 3042 100.0 64000 12362 1.187 ! Near Maximum !
Norma URP 91.4 60.2 3.90 3041 100.0 64000 11939 1.181 ! Near Maximum !
Bofors RP19 ~approximation 91.5 60.2 3.90 3041 100.0 64000 11936 1.181 ! Near Maximum !
Rottweil R904 95.4 62.6 4.06 3039 99.5 64000 12473 1.166 ! Near Maximum !
Winchester Supreme 780 95.0 66.7 4.32 3037 99.9 64000 12376 1.174 ! Near Maximum !
Hodgdon H1000 105.0 69.1 4.48 3035 99.3 57883 13255 1.206 ! Near Maximum !
Accurate 4350 94.6 60.2 3.90 3034 100.0 64000 11887 1.199 ! Near Maximum !
Somchem S365 93.0 61.5 3.99 3034 100.0 64000 11573 1.191 ! Near Maximum !
Vihtavuori N165 101.5 66.8 4.33 3028 100.0 64000 12110 1.178 ! Near Maximum !
IMR 4831 95.9 61.1 3.96 3022 100.0 64000 11682 1.190 ! Near Maximum !
Accurate 3100 104.9 66.0 4.28 3021 100.0 64000 11942 1.204 ! Near Maximum !
Vihtavuori N160 101.8 64.9 4.21 3021 99.5 64000 12248 1.170 ! Near Maximum !
Lovex-S0701 91.5 60.2 3.90 3018 100.0 64000 11931 1.184 ! Near Maximum !
Ramshot BigGame 85.5 58.7 3.80 3017 100.0 64000 11535 1.178 ! Near Maximum !
SNPE Vectan SP 11 85.6 58.8 3.81 3016 100.0 64000 11520 1.178 ! Near Maximum !
Hodgdon H380 84.8 57.7 3.74 3006 100.0 64000 11566 1.184 ! Near Maximum !
Alliant Reloder-15 83.5 55.6 3.60 3006 100.0 64000 11412 1.180 ! Near Maximum !
Bofors RP11 ~approximation 83.5 55.6 3.60 3006 100.0 64000 11412 1.180 ! Near Maximum !
Raufoss RA11 83.5 55.6 3.60 3006 100.0 64000 11412 1.180 ! Near Maximum !
Rottweil R907 89.7 58.6 3.80 3005 100.0 64000 11822 1.175 ! Near Maximum !
IMR 4007 SSC 86.9 58.6 3.80 3005 100.0 64000 11814 1.175 ! Near Maximum !
PB Clermont PCL 516 82.0 58.1 3.77 3001 100.0 64000 11452 1.174 ! Near Maximum !
Norma 203B 83.9 55.8 3.62 2999 100.0 64000 11320 1.182 ! Near Maximum !
IMR 4895 84.4 54.3 3.52 2997 100.0 64000 10924 1.164 ! Near Maximum !
Lovex-S0651 90.6 59.0 3.82 2993 100.0 64000 11478 1.183 ! Near Maximum !
Hodgdon Hybrid 100V 97.1 60.4 3.91 2992 100.0 64000 11038 1.183 ! Near Maximum !
IMR 4320 85.5 56.0 3.63 2988 100.0 64000 11037 1.168 ! Near Maximum !
Hodgdon Retumbo 105.0 70.2 4.55 2987 100.0 51314 13620 1.281
Hodgdon BL-C2 78.8 57.2 3.71 2983 100.0 64000 11155 1.188 ! Near Maximum !
Norma 203 old 84.8 57.1 3.70 2981 100.0 64000 11129 1.198 ! Near Maximum !
SNPE Vectan SP 9 81.8 56.2 3.64 2980 100.0 64000 11074 1.176 ! Near Maximum !
ADI AR 2208 86.3 55.8 3.61 2978 100.0 64000 11071 1.168 ! Near Maximum !
Hodgdon VARGET 86.6 55.8 3.61 2978 100.0 64000 11071 1.168 ! Near Maximum !
ADI AR 2218 105.0 74.4 4.82 2978 93.8 50553 15102 1.280
Rottweil R903 86.8 57.1 3.70 2977 100.0 64000 11043 1.198 ! Near Maximum !
Somchem S355 87.1 56.7 3.67 2977 100.0 64000 11073 1.189 ! Near Maximum !
Winchester 748 76.5 54.8 3.55 2971 100.0 64000 10802 1.182 ! Near Maximum !
IMR 4064 87.0 54.7 3.54 2968 100.0 64000 10862 1.173 ! Near Maximum !
Somchem S341 80.2 57.4 3.72 2964 100.0 64000 10798 1.179 ! Near Maximum !
PB Clermont PCL 507 78.8 54.7 3.54 2961 100.0 64000 10782 1.178 ! Near Maximum !
Accurate 2700 88.1 60.5 3.92 2959 100.0 64000 11199 1.179 ! Near Maximum !
Ramshot TAC 76.6 54.6 3.54 2959 100.0 64000 10761 1.178 ! Near Maximum !
Somchem S321 77.3 55.3 3.59 2955 100.0 64000 10792 1.185 ! Near Maximum !
Vihtavuori N530 78.3 52.4 3.39 2955 100.0 64000 10682 1.176 ! Near Maximum !
Lovex-S0621 84.6 54.8 3.55 2951 100.0 64000 10679 1.189 ! Near Maximum !
Norma 201 78.8 53.5 3.47 2945 100.0 64000 10646 1.189 ! Near Maximum !
Hodgdon H4895 86.0 55.4 3.59 2944 100.0 64000 10486 1.176 ! Near Maximum !
Lovex-D1001 105.0 75.2 4.87 2941 91.1 58379 12839 1.225 ! Near Maximum !
Accurate 2520 80.4 55.1 3.57 2940 100.0 64000 10494 1.201 ! Near Maximum !
Rottweil R902 83.8 53.8 3.49 2936 100.0 64000 10522 1.190 ! Near Maximum !
Lovex-S0601 82.5 53.4 3.46 2934 100.0 64000 10450 1.168 ! Near Maximum !
IMR 3031 82.5 51.3 3.33 2933 100.0 64000 10288 1.192 ! Near Maximum !
Vihtavuori N140 88.9 56.8 3.68 2931 100.0 64000 10413 1.181 ! Near Maximum !
Vihtavuori N150 92.0 57.8 3.74 2931 100.0 64000 10456 1.190 ! Near Maximum !
SNPE Vectan Sp 7 75.0 53.5 3.47 2930 100.0 64000 10394 1.197 ! Near Maximum !
Accurate 4064 88.1 54.8 3.55 2928 100.0 64000 10450 1.218 ! Near Maximum !
Hodgdon H335 73.6 53.5 3.46 2925 100.0 64000 10338 1.183 ! Near Maximum !
SNPE Vectan SP 10 73.3 52.1 3.38 2925 100.0 64000 10308 1.182 ! Near Maximum !
PB Clermont PCL 508 73.3 52.2 3.38 2924 100.0 64000 10295 1.182 ! Near Maximum !
Vihtavuori N540 83.7 56.3 3.65 2924 100.0 64000 10469 1.189 ! Near Maximum !
Norma 202 81.5 53.3 3.46 2922 100.0 64000 10309 1.189 ! Near Maximum !
Accurate 2460 76.0 54.2 3.51 2921 100.0 64000 10292 1.198 ! Near Maximum !
Lovex-D0731 75.3 53.4 3.46 2920 100.0 64000 10227 1.177 ! Near Maximum !
Vihtavuori 24N41 105.0 74.4 4.82 2920 88.6 53288 13443 1.260
ADI AR 2206 82.0 54.0 3.50 2920 100.0 64000 10293 1.169 ! Near Maximum !
ADI AR 2206H 81.4 54.1 3.51 2918 100.0 64000 10265 1.167 ! Near Maximum !
ADI AR 2210 75.1 51.6 3.34 2916 100.0 64000 10203 1.174 ! Near Maximum !
Accurate 2230 75.0 53.5 3.46 2914 100.0 64000 10171 1.193 ! Near Maximum !
Lovex-D0733 75.0 53.2 3.45 2913 100.0 64000 10135 1.181 ! Near Maximum !
Hodgdon H322 78.0 50.4 3.27 2911 100.0 64000 10068 1.179 ! Near Maximum !
ADI AR 2219 73.3 50.4 3.27 2911 100.0 64000 10068 1.179 ! Near Maximum !
Hodgdon Benchmark 80.0 52.4 3.39 2911 100.0 64000 10155 1.173 ! Near Maximum !
ADI BM2 73.6 52.1 3.38 2910 100.0 64000 10134 1.173 ! Near Maximum !
Ramshot X-Terminator 72.0 51.3 3.32 2907 100.0 64000 10096 1.183 ! Near Maximum !
Rottweil R901 80.4 50.8 3.29 2907 100.0 64000 10159 1.197 ! Near Maximum !
Accurate 2200 73.1 49.4 3.20 2899 100.0 64000 9937 1.171 ! Near Maximum !
Accurate 2495 81.9 51.5 3.34 2896 100.0 64000 10074 1.224 ! Near Maximum !
Lovex-D0832 76.4 53.6 3.47 2889 100.0 64000 9763 1.196 ! Near Maximum !
Alliant Reloder-12 78.2 53.1 3.44 2884 100.0 64000 9844 1.184 ! Near Maximum !
Nitrochemie A/S 0300 70.6 48.2 3.12 2880 100.0 64000 9732 1.190 ! Near Maximum !
Hodgdon H870 105.0 72.1 4.67 2879 94.7 46087 14099 1.360
Vihtavuori N135 88.3 53.3 3.45 2876 100.0 64000 9697 1.202 ! Near Maximum !
Vihtavuori N170 105.0 69.1 4.48 2874 93.3 53015 12736 1.294
Somchem S335 82.2 53.5 3.47 2859 100.0 64000 9619 1.194 ! Near Maximum !
Alliant Reloder-10x 76.1 47.7 3.09 2854 100.0 64000 9531 1.194 ! Near Maximum !
Hodgdon H4198 74.7 46.7 3.03 2853 100.0 64000 9319 1.165 ! Near Maximum !
Accurate 1680 65.3 46.7 3.03 2849 100.0 64000 9378 1.173 ! Near Maximum !
Accurate 2015 77.3 49.7 3.22 2847 100.0 64000 9429 1.201 ! Near Maximum !
Vihtavuori N133 83.8 51.0 3.30 2832 100.0 64000 9202 1.187 ! Near Maximum !
Accurate 5744 67.0 41.7 2.70 2830 100.0 64000 9312 1.171 ! Near Maximum !
Bofors RP1/NP ~approximation 68.8 47.4 3.07 2829 100.0 64000 9291 1.206 ! Near Maximum !
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  #4  
Old 08-08-2011, 08:38 AM
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Re: 270wsm loads.

I've had great success with between 61 & 64 gr of RL-19.
2 of the 3 270wsms I load for love 62 gr the other prefers 61 all with 140 Accubonds.
IMR 4831 & 150 gr SSTs did well together also.
All 3 rifles I load for are Model-70 Winchesters
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  #5  
Old 08-08-2011, 12:06 PM
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Join Date: May 2011
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Posts: 187
Re: 270wsm loads.

What COL's do you guys use?

I have found that my 2.887 COL touches the lands and fits and feeds in magazine so I was thinking about working up loads to this length searching for better accuracy.

???
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  #6  
Old 08-08-2011, 02:14 PM
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Re: 270wsm loads.

Mine are different for each rifle, but I'm .015 or less off the lands with both 140 Accubonds, and 150 SSTs.
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  #7  
Old 08-08-2011, 02:18 PM
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Re: 270wsm loads.

Bigngreen has some wicked fast loads, but he took his time working up to em. Try sending him a P.M. he has a ton of data. If I remember right he's on his second/third barrel...? For that rifle in 270wsm hehehe
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