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LOAD DATA FOR  HV  BULLETS

Large calibres from .338" / 8.58mm

Do not use the load data below for any other type of bullet.
This data only applies to GS Custom HV bullets.

See the Technical Data page for assistance with the correct choice of bullet and for BC values.

Read the following notes before going to the load data table below.

Calibre: If your caliber is not listed, please email us for assistance.

Bullet: Bullet numbers consist of the caliber (first three digits) the weight in gr (next three digits) the bullet type (two letters) and the part number (three digits ). Bullets in green are the preferred bullets for general use in standard calibers.

Twist: The twist is indicated as one rotation in the number of inches shown. If a bullet is indicated for a particular twist, it can also be used in faster twist rates (smaller numbers), but not in slower twist rates (bigger numbers). See the Technical Data page for more information about the correct bullet choice.

Powder: Listed powders are chosen to give a combination of the best case fill, most complete burn in a 24"barrel and lowest muzzle pressure.

Start gr: The indicated start load in grains is a safe load in our experience. It may give maximum speed in some rifles and can be reduced if needed.

MAX FPS: This is the speed at which maximum allowed pressure is likely to occur in a 24" barrel. Adjust the number by the amount given in the FPS/Inch column for barrels longer or shorter than 24". Do not exceed the adjusted MAX FPS number. Whatever charge is required to reach the MAX FPS is the maximum charge for that rifle.

FPS/Inch: This is the speed change that is probable for barrels longer or shorter than 24" with the indicated powder.

Case Fill: Is approximately how much the charge will fill the case. Compressed charges up to 105% are not unusual. Full cases give better accuracy and more consistent speeds. This is a guide line only and the numbers may vary depending on the make of the case and the capacity. If this column contains CC, case capacity will probably be the limiting factor rather than MAX FPS.

Burn: Is the percentage of powder that will burn in a 24" barrel. Accuracy is improved with a more complete burn.

M/PSI: Is the approximate muzzle pressure at MAX FPS. This is an indication of what the recoil will be. With the same bullet and rifle, lower muzzle pressure will have less recoil.

Load Data for Large calibres from .338" / 8.58mm
Go to Small Calibres / Medium Calibres

Have you read the notes above?  If not, do so before using this load data table.

Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
338 Federal 338200HV067 12 Ramshot TAC 42 2650 20        
      Ramshot X-Term. 39 2650 19        
      H335 41 2650 20        
      AA2230 41 2600 19        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
 338-06 / 338 Sabi 338180HV070   S335 55 3000          
      H414 64 3000          
 338-06 / 338 Sabi  338200HV067   H414 63 2900          
      IMR4320 53 2750          
      H4350 65 2850          
Calibre Bullet Twist Powder Start gr MAX FPS FPS/Inch % Fill Burn M/PSI
 338 Win Mag 338200HV067 12 ADI AR2208 62 2975 26 102 100 9485
      IMR 4895 62 3000 25 100 100 9408
      Rel - 15 63 3025 26 100 100 9897
      Norma 203B 63 3025 26 100 100 9826
      S355 64 3000 26 104 100 9612
      Viht N550 69 3075 28 CC 100 10560
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
338 RUM 338225HV055 10  Rel22 92 3150 33        
      ADI AR 2213 91 3100 32        
      Norma MRP 93 3150 33        
      S385 89 3050 30        
      VV N560 92 3150 33        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
340 Weatherby Magnum 338200HV067   H4831 88 3150          
      Rel 22 89 3250          
      S385 87 3250          
340 Weatherby Magnum 338225HV055   H4831 84 3000          
      Rel 22 86 3125          
      S385 83 3100          
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
338 Lapua Magnum 338200HV067 12 ADI AR 2209 91 3350 32        
      Rel 19 92 3350 33        
      Ramshot Hunter 92 3350 33        
      S365 91 3350 31        
      VV N560 97 3400 37   CC    
      Norma MRP 98 3400 37        
338 Lapua Magnum 338225HV055 10 ADI AR 2213 92 3175 32   107 100 14300
      Rel 22 93 3175 32   107 100 13643
      R/Shot Magnum 99 3200 33   CC 100 14634
      S385 90 3100 30   104 100 13004
      Viht N560 92 3200 33   107 100 14963
      Win WXR 93 3175 32   CC 100 14336
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
338-378 Wea Mag 228225HV055 10 ADI AR 2214 113 3300 37   103 100 17101
      R/shot Magnum 115 3325 38   102 100 17713
      Norma MRP 107 3300 37   97 100 17303
      IMR 7828 106 3300 38   103 100 17386
      S 385 102 3225 35   96 100 15603
      Viht N560 107 3325 39   99 99 17956
      Win WXR 106 3300 37   102 100 17187
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
35 Winchester 358200HV113   IMR 4064 50 2600          
      Rel 12 50 2550          
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
35 Whelen 358180HV132 16 ADI AR2219 54 3000 23        
      H322 53 3000 24        
      Ramshot X-Term 54 3000 24        
      Norma 200 51 2950 22        
      S321 59 3000 25        
      Viht N130 51 2900 21        
      Viht N530 55 3000 25        
      Win 748 59 3050 25        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
350 Remington Magnum 358200HV113   H4895 57 2900          
      BL-C(2) 60 2900          
      S321 57 2900          
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
9.3x62 366195HV172 14.2 ADI AR2210 57 2925 24        
      A2520 64 3000 25        
      H322 57 3000 24        
      S321 64 3025 24   102 100 8043
      Norma 202 62 2975 25        
      Viht N530 59 2975 25        
      Win 748 63 3025 25        
  366230HV118 14

ADI

 54 2750 21   93 100 7020
      A 2520 61 2800 22   104 100 7483
      BL-C2 63 2800 23   101 100 7966
      S321 60 2775 20   99 100 7636
      S335 57 2700 20   103 100 6670
      Norma 202 58 2775 21   104 100 7257
      Viht N530 56 2775 21   99 100 7490
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
9.3x64 Brenneke 366230HV118 14 H4895 68 2900 24        
      Ramshot TAC 67 2900 25        
      S321 68 2900 26        
      VV N140 67 2900 24        
      ADI AR 2208 68 2900 26        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
9.3x74R 366195HV172 14.2 ADI AR2207 50 2775 23        
      A2495 62 2925 26        
      IMR3031 61 2925 27        
      Norma 202 62 2875 27        
      S335 61 2800 25        
      Viht N140 62 2850 25        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375JDJ 375200HV145 19 IMR 4198 47 2500 40        
NOTE DATA IS FOR     Rel 10x 50 2500 43        
15" BARREL     A 2015 53 2500 43        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375 Win 375200HV145 19 W296 29 2500 15        
      H110 30 2500 14        
      S265 29 2350 14        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375H&H 375200HV145 19 ADI AR 2210 72 3175 28 94 100 8919
      A 2520 80 3250 29 104 100 9456
      BL-C2 83 3275 30 101 100 9987
      Norma 202 76 3225 28 104 100 9164
      IMR 4895 78 3300 29 108 100 9743
      S341 82 3225 28 103 99 9481
      S321 79 3250 29 99 100 9590
      S335 74 3100 26 103 100 8011
      Vhit N530 74 3225 29 99 100 9431
      Win 747 79 3275 29 99 100 9692
375 H&H 375265HV091 12 ADI AR 2208 68 2750 23      
      Rel 15 69 2800 24      
      BL-C2 71 2800 23      
      Ramshot Big Game 73 2850 24      
      S341 71 2775 22 99 100 8490
      S355 71 2800 23 CC 100 8778
      Norma 203B 69 2800 23      
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375 Ruger 375200HV145 19 ADI AR 2219 74 3225 26   92 100 8641
      IMR 3031 77 3250 27   105 100 8946
      Rel 15 82 3275 29   105 99 9351
      BL-C2 85 3275 29   99 100 9684
      S321 81 3225 28   98 100 9310
      Viht N530 76 3225 28   98 100 9187
      Win 748 81 3275 24   97 100 9374
375 Ruger 375265HV091 12 ADI AR 2208 72 2800 23        
      IMR 4895 71 2850 22        
      Rel 15 73 2850 23        
      Norma203B 73 2850 23        
      S355 72 2825 23        
      Viht N550 80 2900 24        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375 H&H Ackley Improved 375265HV091 12 ADI AR 2208 77 2825 25   98 100 9395
      Rel 15 77 2850 25   96 100 9770
      IMR 4895 76 2875 24   97 100 9307
      Big Game 82 2875 26   102 100 9416
      Norma 203B 78 2850 26   97 100 9202
      S355 79 2850 24   101 100 9490
      Viht N550 85 2900 27   103 100 10444
      Win 760 86 2900 27   100 99 10705
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
375 Weatherby Magnum 375300HV137   ADI AR 2209 82 2700 24        
      H 4350 80 2700 27        
      Norma 204 81 2700 24        
      Ramshot Hunter 82 2750 23        
      S365 82 2750 22        
      VV N550 78 2700 23        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
9.5x57 M.Sch 379205HV239 12 S335 47 2525 20        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
405 Winchester 412300HV153   H4895 53 2300          
Not for tube magazines     H322 47 2300          
      S321 45 2300          
Calibre Bullet Twist Powder Start gr MAX FPS FPS/Inch % Fill Burn M/PSI
416 Taylor 416330HV120 16.5 ADI AR2210 64 2550 19 98 100 6196
      Ramshot TAC 69 2600 2 104 100 6664
      BL-C2 72 2650 19 106 100 7007
      Norma 201 68 2575 14 105 100 6596
      S 321 70 2600 20 104 100 6707
      Viht N530 66 2575 19 104 100 6572
Calibre Bullet Twist Powder Start gr MAX FPS FPS/Inch % Fill Burn M/PSI
416 Rigby 416330HV120 16.5 ADI AR 2208 84 2575 27 91 99 8587
Note that loads are      A 4350 98 2675 27 105 99 9644
 restricted to 47137psi     Norma 203B 84 2625 25 90 99 8965
      Ramshot BigGame 90 2650 26 96 99 9211
      S365 98 2700 27 102 100 9688
      Viht N150 86 2575 23 98 100 8194
Calibre Bullet Twist Powder Start gr MAX FPS FPS/Inch % Fill Burn M/PSI
416 Remington Magnum 416330HV120 16.5              
                   
                   
                   
                   
                   
Calibre Bullet Twist Powder Start gr MAX FPS FPS/Inch % Fill Burn M/PSI
 416 Weatherby Magnum 416330HV120 16.5              
                   
                   
                   
                   
                   
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
416 Nemesis 416330HV120   ADI AR2209 138 3375 28        
NOTE: Max FPS Based on     H4831 149 3325 29        
28"Barrel     IMR 7828 150 3400 30   CC    
      Norma MRP 152 3425 30        
      Ramshot Magnum 163 3425 30        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
10.75x68 Mauser 423320HV061 16.5 VV N130 57 2300 16        
      N202 61 2350 18        
      S335 58 2300 17        
                     
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
404 Jeff 423320HV061   H380 88 2700 24        
      Ramshot Big Game 85 2700 24        
      Win 760 89 2700 25        
      ADI AR 2208 79 2600 24        
      S355 84 2650 22        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
45-70 458470HV240 14 ADI AP100 11 1100     75 100 1739
SUBSONIC LOADS     ADI AR2205 19 1200     87 97 2737
14" Barrel     R910 19 1250     86 100 2840
P Max 3200 CIP     Blue Dot 14 1175     76 100 2286
      H Lil Gun 21 1300     84 100 3185
      Viht N110 19 1250     93 100 2823
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
45 Blaser 458315HV185 28 ADI AR2207 50 2400 15   CC 100 3759
      Win 296 45 2425 15   90 100 3765
      Rel-7 49 2425 14   109 100 3673
      H 4227 45 2375 14   106 100 3505
      Norma 200 53 2450 16   CC 99 4090
      S265 43 2275 13   102 100 3086
  458400HV095 22 ADI AR2207 43 2100 12   110 100 3249
      Rel-7 42 2075 11   105 100 3121
      Win 296 38 2075 12   87 100 3190
      Norma 200 46 2125 12   107 100 3518
      S265 37 1950 10   99 100 2629
      Viht N110 34 1950 10   98 100 2522
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
458 Win Mag 458315HV185 28 ADI AR2207 67gr 2700 18        
      Rel 7 65 2700 17        
      IMR4227 61 2650 16        
      S321 80 2750 21   CC    
      Viht N120 66 2650 16   CC    
458 Win Mag 458400HV095                  
                     
                     
                     
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
458 Express 458315HV185 28 S321 86 2850 22   CC 98  
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
458 Lott / 458 AI 458315HV185 28 S321 92 2900 24        
  458400HV095   S321 80 2530 20        
      VV N530 76 2530 18        
      ADI AR2219 73 2500 17        
      H322 73 2530 17        
      Norma 201 78 2500 18        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
450 Rigby Magnum 458400HV095   S365 114 2750 25   CC    
      S341 104 2675 25        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
460 Weatherby Magnum 458315HV185 28 ADI AR2208 115 3150 28        
      IMR4895 113 3200 32        
      Rel 15 117 3200 29        
      S321 115 3150 28        
      Viht N530 108 3150 27        
      Win 748 116 3200 28        
  458400HV095 21 ADI AR2208 105 2775 23        
      IMR 4895 103 2800 23        
      Rel 15 106 2800 24        
      Norma203B 106 2800 24        
      S321 105 2800 23        
      Win 748 105 2800 22        
  458450HV049 20 ADI AR2208 103 2625 22        
      H414 111 2700 23        
      IMR 4320 104 2650 21        
      Norma 203B 105 2675 22        
      S355 106 2650 22        
      Win 760 115 2700 24        
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
470 NE 470500HV112   S335 88 2350          
      REL22 107 2250          
Calibre Bullet Twist Powder Start gr MAX FPS

FPS/Inch

 % Fill Burn M/PSI
500 Nitro Express 3" 510450HV.111   Rel 15 96 2350 22        
      ADI AR 2208 93 2300 20        
      Accurate 2520 97 2350 21        
      Norma 203B 96 2350 21        
      S321 94 2300 20        

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ABOUT US
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THEY SAY
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LOAD DATA
USEFUL STUFF
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CONTACT US

GS Custom Bullets, situated in Port Elizabeth on the East Coast of South Africa, manufactures solid copper, turned, monolithic hollow point bullets for hunting and sport shooting. These bullets are used by hunters on several continents, hunting from the smallest of antelope to the largest of dangerous game, using the smooth HP bullet, as well as the more popular HV, FN and SP bullets with the patented drive band concept. GSC bullets are configured for the highest possible ballistic coefficients. SP bullets are mainly used for sport shooting. All GS Custom Bullets are moly coated.