260 and 300 Accubond for 375Wby

[bullet]

I think I am going to take a leap here and get a box of 260gr and 300gr AccuBond to try in my 375Wby. I am experiencing group variation with my 300gr TSX which is not good. This is a new box of 300TSX and it is not acting like the last box. Same seating depth, powder charge, brass and primer but not getting consistent group to group consistency.

I am going to start with H4831sc and any of you who have any other powder consideration that work well with the AccuBond let me know. I have on hand IMR4350, H4350 and some others.

I really would like to creat a long range round as well as my general hunting distances.

 

[JD338]

bullet,

Keep us posted on your range results. The 300 gr AB should be a dandy. Are the 300 gr AB's available yet?

JD338

 

[bullet]

I will have to start with the 260gr bullet because Nosler is out of them and Midway has not received them yet.

 

[Big Squeeze]

H-4350 along with H-414 looks like to be the best bets for your 375. On the Hodgdon site, these two appear to have the best efficiency; grains to velocity ratio. I can`t find any IMR 4831 data for your Wby.

H-4350 has given me great results for my 375 Ruger.

 

[bullet]

H-4350 along with H-414 looks like to be the best bets for your 375. On the Hodgdon site, these two appear to have the best efficiency; grains to velocity ratio. I can`t find any IMR 4831 data for your Wby.

H-4350 has given me great results for my 375 Ruger.

Yeah, Big Squeeze, I developed by working up with H4831sc to 93grs with the TSX and average velocity over the chrony was 2873fps but that was with the TSX. It did not work well with Hornady 300gr nor the Sierra 300gr.

I am guessing that the extra powder space over the 375H&H will require a powder like IMR4350 or H4350 to give me accuracy and velocity but will find out soon. Sure wish I had a few 300gr Accubonds to try but will have to wait until they make some more. I really would like to settle on a bullet and load for my 375Wby. I would like to make some extend shots with it and at the same time it perform well up close. Well that is what testing is all about and it is fun to do and when I find the load I will put it to use.

 

[Big Squeeze]

H-4350 along with H-414 looks like to be the best bets for your 375. On the Hodgdon site, these two appear to have the best efficiency; grains to velocity ratio. I can`t find any IMR 4831 data for your Wby.

H-4350 has given me great results for my 375 Ruger.

Yeah, Big Squeeze, I developed by working up with H4831sc to 93grs with the TSX and average velocity over the chrony was 2873fps but that was with the TSX. It did not work well with Hornady 300gr nor the Sierra 300gr.

I am guessing that the extra powder space over the 375H&H will require a powder like IMR4350 or H4350 to give me accuracy and velocity but will find out soon. Sure wish I had a few 300gr Accubonds to try but will have to wait until they make some more. I really would like to settle on a bullet and load for my 375Wby. I would like to make some extend shots with it and at the same time it perform well up close. Well that is what testing is all about and it is fun to do and when I find the load I will put it to use.

......................Yeah! You need all that extreeee,,,,mo-men-tum!!.................... :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:

 

[bullet]

H-4350 along with H-414 looks like to be the best bets for your 375. On the Hodgdon site, these two appear to have the best efficiency; grains to velocity ratio. I can`t find any IMR 4831 data for your Wby.

H-4350 has given me great results for my 375 Ruger.

Yeah, Big Squeeze, I developed by working up with H4831sc to 93grs with the TSX and average velocity over the chrony was 2873fps but that was with the TSX. It did not work well with Hornady 300gr nor the Sierra 300gr.

I am guessing that the extra powder space over the 375H&H will require a powder like IMR4350 or H4350 to give me accuracy and velocity but will find out soon. Sure wish I had a few 300gr Accubonds to try but will have to wait until they make some more. I really would like to settle on a bullet and load for my 375Wby. I would like to make some extend shots with it and at the same time it perform well up close. Well that is what testing is all about and it is fun to do and when I find the load I will put it to use.

......................Yeah! You need all that extreeee,,,,mo-men-tum!!.................... :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:

Yes, I just love that extra momentum and energy, it is just sound physics. 8) :lol:

 

[JD338]

There is no replacement for displacement. :lol:

JD338

 

[bullet]

There is no replacement for displacement. :lol:

JD338

Very well put JD :lol:

 

[FOTIS]

Knock THYSELF out! :lol: :lol: :lol: :lol: :lol: :lol: :lol:

Cartridge : .375 Weath. Mag.
Bullet : .375, 260, Nosler AccuBond 54413
Cartridge O.A.L. L6: 3.560 inch or 90.42 mm
Barrel Length : 26.0 inch or 660.4 mm

Predicted Data for Indicated Charges of the Following Powders.

Matching Maximum Pressure: 63000 psi, or 434 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 !

96 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
--------------------------------- -----------------------------------------------------------------
Ramshot Hunter 103.9 88.4 5.73 2972 99.4 63000 9044 1.161 ! Near Maximum !
Winchester 760 101.2 85.5 5.54 2963 98.9 63000 9016 1.166 ! Near Maximum !
Vihtavuori N550 103.7 84.6 5.48 2955 99.9 63000 8818 1.174 ! Near Maximum !
Ramshot BigGame 102.9 82.1 5.32 2935 100.0 63000 8371 1.170 ! Near Maximum !
SNPE Vectan SP 11 99.8 82.2 5.33 2934 100.0 63000 8359 1.170 ! Near Maximum !
Hodgdon H414 97.2 82.6 5.36 2933 99.2 63000 8769 1.178 ! Near Maximum !
Hodgdon H4350 105.0 83.4 5.40 2921 99.3 59502 8821 1.184 ! Near Maximum !
IMR 4895 98.3 75.9 4.92 2917 100.0 63000 7837 1.158 ! Near Maximum !
Alliant Reloder-15 97.0 77.4 5.02 2911 100.0 63000 8246 1.181 ! Near Maximum !
Bofors RP11 ~approximation 97.0 77.4 5.02 2911 100.0 63000 8246 1.181 ! Near Maximum !
Raufoss RA11 97.0 77.4 5.02 2911 100.0 63000 8246 1.181 ! Near Maximum !
Norma 204 105.0 86.6 5.61 2910 96.9 61446 8872 1.175 ! Near Maximum !
Norma 203B 97.4 77.8 5.04 2909 100.0 63000 8179 1.182 ! Near Maximum !
Norma URP 105.0 82.9 5.37 2908 99.8 59474 8629 1.198 ! Near Maximum !
Bofors RP19 ~approximation 105.0 82.9 5.37 2907 99.8 59416 8625 1.199 ! Near Maximum !
Hodgdon BL-C2 91.7 79.9 5.18 2904 100.0 63000 8072 1.184 ! Near Maximum !
Norma 203 old 98.9 79.8 5.17 2902 100.0 63000 8052 1.193 ! Near Maximum !
Hodgdon H380 98.2 80.1 5.19 2902 99.8 63000 8357 1.185 ! Near Maximum !
Rottweil R903 104.1 79.9 5.18 2895 100.0 63000 7975 1.193 ! Near Maximum !
PB Clermont PCL 516 94.7 80.5 5.22 2892 99.8 63000 8257 1.178 ! Near Maximum !
IMR 4320 98.9 77.7 5.03 2891 100.0 63000 7933 1.169 ! Near Maximum !
Somchem S355 101.1 79.0 5.12 2889 100.0 63000 7992 1.189 ! Near Maximum !
SNPE Vectan SP 9 94.5 77.9 5.05 2883 100.0 63000 7973 1.180 ! Near Maximum !
ADI AR 2208 99.2 76.9 4.98 2871 100.0 63000 7956 1.176 ! Near Maximum !
Hodgdon VARGET 99.6 76.9 4.98 2871 100.0 63000 7956 1.176 ! Near Maximum !
PB Clermont PCL 507 91.1 75.9 4.92 2870 100.0 63000 7737 1.183 ! Near Maximum !
Rottweil R907 103.0 80.7 5.23 2870 98.3 63000 8340 1.185 ! Near Maximum !
IMR 4007 SSC 99.8 80.8 5.23 2869 98.3 63000 8334 1.185 ! Near Maximum !
IMR 3031 96.6 72.1 4.67 2869 100.0 63000 7367 1.187 ! Near Maximum !
Ramshot TAC 90.4 75.7 4.91 2869 100.0 63000 7720 1.183 ! Near Maximum !
Somchem S341 92.8 79.7 5.16 2866 100.0 63000 7754 1.182 ! Near Maximum !
Accurate 2520 93.8 77.2 5.00 2866 100.0 63000 7537 1.198 ! Near Maximum !
Accurate 4064 103.3 77.1 5.00 2864 100.0 63000 7533 1.215 ! Near Maximum !
IMR 4064 100.2 75.6 4.90 2862 100.0 63000 7781 1.181 ! Near Maximum !
Hodgdon H4895 99.5 76.9 4.98 2861 100.0 63000 7508 1.177 ! Near Maximum !
Somchem S365 105.0 83.4 5.40 2861 100.0 53322 8304 1.245
Vihtavuori N530 90.2 72.4 4.69 2860 100.0 63000 7637 1.183 ! Near Maximum !
Norma 201 90.9 74.2 4.81 2851 100.0 63000 7625 1.197 ! Near Maximum !
Vihtavuori N540 96.6 78.0 5.05 2847 100.0 63000 7535 1.190 ! Near Maximum !
Norma 202 94.3 74.1 4.80 2842 100.0 63000 7375 1.192 ! Near Maximum !
Rottweil R902 96.8 74.5 4.83 2842 100.0 63000 7524 1.198 ! Near Maximum !
Accurate 2495 96.1 72.6 4.70 2836 100.0 63000 7238 1.223 ! Near Maximum !
Vihtavuori N140 102.4 78.6 5.09 2836 100.0 63000 7449 1.186 ! Near Maximum !
Hodgdon H322 90.2 69.9 4.53 2830 100.0 63000 7160 1.185 ! Near Maximum !
Rottweil R901 92.9 70.5 4.57 2819 100.0 63000 7231 1.208 ! Near Maximum !
Accurate 2700 100.7 83.0 5.38 2815 98.0 63000 7824 1.192 ! Near Maximum !
Vihtavuori N150 105.0 79.1 5.13 2814 100.0 60413 7463 1.210 ! Near Maximum !
Raufoss RA4 105.0 83.8 5.43 2814 95.7 54903 8625 1.234 ! Near Maximum !
Bofors RP4 ~approximation 105.0 83.8 5.43 2814 95.7 54903 8625 1.234 ! Near Maximum !
ADI AR 2206 93.6 73.9 4.79 2809 100.0 63000 7309 1.185 ! Near Maximum !
Hodgdon Benchmark 91.5 71.9 4.66 2808 100.0 63000 7200 1.188 ! Near Maximum !
Vihtavuori N135 102.7 74.3 4.82 2807 100.0 63000 6902 1.201 ! Near Maximum !
ADI AR 2206H 92.7 74.0 4.80 2803 100.0 63000 7284 1.184 ! Near Maximum !
Alliant Reloder-12 90.1 73.3 4.75 2801 100.0 63000 6998 1.191 ! Near Maximum !
Accurate 4350 105.0 80.2 5.20 2793 99.3 51640 8443 1.290
ADI AR 2209 105.0 83.4 5.40 2790 95.1 52403 8684 1.252
Norma MRP 105.0 87.5 5.67 2783 95.7 46662 9336 1.311
Alliant Reloder-19 105.0 83.8 5.43 2775 95.1 50901 8707 1.272
Somchem S335 94.4 73.7 4.78 2771 100.0 63000 6819 1.205 ! Near Maximum !
Rottweil R904 105.0 82.6 5.36 2761 94.2 54023 8277 1.250
IMR 4350 105.0 80.3 5.20 2748 94.2 52190 8338 1.270
Bofors RP14 ~approximation 105.0 83.8 5.43 2747 94.7 49730 8579 1.287
Vihtavuori N133 96.1 70.3 4.55 2746 100.0 63000 6473 1.199 ! Near Maximum !
IMR 7828 SSC 105.0 86.1 5.58 2739 91.7 47927 8886 1.299
Somchem S385 105.0 84.7 5.49 2732 96.0 49763 8380 1.305
Vihtavuori N130 90.7 67.7 4.38 2729 100.0 63000 6399 1.206 ! Near Maximum !
Vihtavuori N560 105.0 85.7 5.55 2713 90.5 44945 9026 1.338
ADI AR 2213 105.0 84.7 5.49 2705 91.2 47013 8704 1.312
Alliant Reloder-22 105.0 84.7 5.49 2699 93.1 44263 8849 1.349
Raufoss RA15 105.0 84.7 5.49 2699 93.1 44263 8849 1.349
Bofors RP5/NP ~approximation 105.0 84.7 5.49 2699 93.1 44263 8849 1.349
Accurate MAGPRO 105.0 89.1 5.77 2674 87.8 43543 8902 1.362
IMR 4831 105.0 80.3 5.20 2671 97.0 44919 8218 1.359
Hodgdon H4831 SC 105.0 84.7 5.49 2671 90.3 47754 8225 1.312
Rottweil R905 105.0 83.2 5.39 2625 89.8 42888 8320 1.375
Winchester WXR 105.0 82.9 5.37 2618 91.4 40591 8573 1.405
SNPE Vectan SP 12 105.0 89.5 5.80 2581 88.6 40172 8585 1.409
PB Clermont PCL 517 105.0 89.5 5.80 2575 88.2 39959 8567 1.413
Ramshot Magnum (Big Boy) 105.0 89.3 5.79 2571 88.1 39747 8558 1.417
IMR 7828 105.0 81.5 5.28 2567 88.2 39729 8282 1.417
Vihtavuori N165 105.0 82.9 5.37 2564 92.8 41777 7723 1.399
Vihtavuori N160 105.0 80.4 5.21 2560 90.8 43479 7561 1.380
Hodgdon H4831 105.0 81.5 5.28 2555 87.9 41824 7828 1.395
Alliant Reloder-25 105.0 83.4 5.40 2552 93.9 36771 8549 1.464
ADI AP 2214 105.0 87.0 5.64 2543 87.6 40652 8129 1.407
Accurate 3100 105.0 79.3 5.14 2459 93.3 35299 7617 1.527
Norma MRP 2 105.0 83.8 5.43 2439 85.3 32688 8176 1.540
Hodgdon H1000 105.0 82.9 5.37 2385 83.5 34189 7500 1.520
Vihtavuori N570 105.0 88.4 5.73 2380 75.1 31846 8086 1.570
Hodgdon Retumbo 105.0 84.3 5.46 2299 83.5 29145 7714 1.620
Vihtavuori N170 105.0 82.9 5.37 2261 75.4 30118 6806 1.619
Vihtavuori 24N41 105.0 89.3 5.79 2240 67.0 31452 6673 1.600
ADI AR 2218 105.0 89.3 5.79 2208 65.6 29468 6935 1.641
Hodgdon H870 105.0 86.6 5.61 2171 71.3 25704 7086 1.730
Hodgdon US 869 105.0 89.3 5.79 2140 67.7 26516 6649 1.718
Hodgdon 50BMG 105.0 85.1 5.52 2079 59.0 25734 5998 1.744
SNPE Vectan SP 13 105.0 85.7 5.55 2024 65.9 22923 6023 1.831
PB Clermont PCL 513/520/9520 105.0 85.7 5.55 1966 62.3 21762 5706 1.875
Vihtavuori 20N29 105.0 90.2 5.85 1939 58.9 21489 5650 1.885
Accurate 8700 105.0 85.8 5.56 1927 60.4 21545 5432 1.890
NC A3502 ,test only 105.0 82.0 5.31 1842 42.6 22026 4081 1.894
TLP A 502(RH) ,test only 105.0 82.0 5.31 1822 45.8 20372 4321 1.949
V1734 7-multiperf ,test only 105.0 82.0 5.31 1320 21.1 12053 1993 2.495

 

[bullet]

Thanks POP, WOW!!!! really got some choices of powders that many perform so well. Thanks, great stuff.