Load Specifications
Bullet: | .257 | 100gr | Sierra SBT GameKing |
Manufacturer SKU: | 1625 |
Bullet Weight: | 100gr | 6.5g |
Bullet Diameter: | 0.257" | 6.53mm |
Bullet Length: | 0.991" | 25.2mm |
Caliber: | .25-35 Win. |
Case Length (l3): | 2.040" | 51.8mm |
Cartridge Length (C.O.L.): | 2.512" | 63.8mm |
Seated Depth: | 0.519" | 13.2mm |
Shank Seated Depth: | 0.389" | 9.9mm |
Case Capacity: | 38.0 Grains of Water | 2.47 cm³ |
Primer Size: | Large Rifle (LR) |
Max. allowed Pressure: | 44237 psi | 3050 bar |
LID: | LID_B5795_C216 |
Recommended Twist Rate: | 1:12 - 1:10 |
>> Use the Personalized Load Calculator further below to adjust input parameters.
Load data for 100 loads in caliber .25-35 Win. with .257 | 100gr | Sierra SBT GameKing bullet and 50 powders such as Accurate 2495, Alliant AR-Comp, IMR 3031. The key underlying parameters are shown in the table above.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service.
Questions regarding the load data: Please read the information in the next tab "Explanations".
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A load must fulfill certain criteria to be listed in the default view below - see here.
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Our load data might deviate from other sources - see the most common reasons here.
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All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.
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You can set your specifications in the "Personalized Load Calculator".
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Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.
Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads, >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.
Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.
Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
[ADI AR 2206H]* | <<locked>> | 90% | 39030 | 88% | **43 | 93% |
Accurate 2015 | <<locked>> | 86% | 38682 | 87% | **00 | 99% |
[Accurate 2230]* | <<locked>> | 85% | 38899 | 88% | **03 | 94% |
Accurate 2460 | <<locked>> | 85% | 38696 | 87% | **20 | 96% |
Accurate 2495 👍 | <<locked>> | 92% | 38537 | 87% | **85 | 99% |
Accurate 2520 | <<locked>> | 91% | 38841 | 88% | **79 | 97% |
Accurate 4064 | <<locked>> | 96% | 36782 | 83% | **52 | 97% |
Alliant AR-Comp 👍 | <<locked>> | 91% | 39088 | 88% | **92 | 100% |
[Alliant Reloder- TS 15.5]* | <<locked>> | 96% | 37362 | 84% | **36 | 93% |
Alliant Reloder-10x | <<locked>> | 83% | 38319 | 87% | **07 | 100% |
[Alliant Reloder-15]* | <<locked>> | 95% | 38986 | 88% | **66 | 92% |
Hodgdon BL-C2 | <<locked>> | 91% | 39407 | 89% | **95 | 95% |
Hodgdon Benchmark | <<locked>> | 87% | 39305 | 89% | **80 | 95% |
Hodgdon H322 | <<locked>> | 87% | 38522 | 87% | **36 | 98% |
IMR 3031 👍 | <<locked>> | 96% | 39450 | 89% | **15 | 99% |
[IMR 4064]* | <<locked>> | 97% | 39044 | 88% | **10 | 92% |
[IMR 4895]* | <<locked>> | 94% | 38435 | 87% | **69 | 93% |
[IMR 8208 XBR]* | <<locked>> | 88% | 38754 | 88% | **13 | 94% |
Lovex D073.4 | <<locked>> | 84% | 38972 | 88% | **07 | 95% |
Lovex D073.5 | <<locked>> | 86% | 39262 | 89% | **30 | 96% |
Lovex D073.6 | <<locked>> | 93% | 39813 | 90% | **95 | 97% |
[Lovex S060]* | <<locked>> | 89% | 38754 | 88% | **54 | 92% |
Lovex S062 | <<locked>> | 95% | 39001 | 88% | **39 | 95% |
Norma 201 | <<locked>> | 92% | 39740 | 90% | **36 | 95% |
Norma 202 | <<locked>> | 92% | 39668 | 90% | **62 | 97% |
[Norma 203B]* | <<locked>> | 96% | 39523 | 89% | **75 | 93% |
[Ramshot Wild Boar]* | <<locked>> | 89% | 38377 | 87% | **33 | 92% |
[Ramshot X-Terminator]* | <<locked>> | 86% | 39218 | 89% | **90 | 92% |
ReloadSwiss RS 40 | <<locked>> | 85% | 39566 | 89% | **30 | 96% |
ReloadSwiss RS 52 | <<locked>> | 96% | 38653 | 87% | **02 | 95% |
Rottweil R 901 | <<locked>> | 89% | 39523 | 89% | **20 | 97% |
Rottweil R 902 | <<locked>> | 93% | 39320 | 89% | **16 | 95% |
[Rottweil R 903]* | <<locked>> | 97% | 34243 | 77% | **80 | 92% |
[SNPE Vectan SP 9]* | <<locked>> | 92% | 39595 | 90% | **52 | 93% |
SNPE Vectan Tubal 3000 | <<locked>> | 89% | 39044 | 88% | **57 | 97% |
SNPE Vectan Tubal 5000 | <<locked>> | 97% | 39755 | 90% | **90 | 98% |
Shooters World Match Rifle | <<locked>> | 93% | 39813 | 90% | **95 | 97% |
Shooters World Precision | <<locked>> | 95% | 39001 | 88% | **39 | 95% |
Somchem S321 | <<locked>> | 87% | 39523 | 89% | **56 | 95% |
Somchem S335 | <<locked>> | 90% | 38682 | 87% | **77 | 98% |
[Somchem S341]* | <<locked>> | 91% | 39450 | 89% | **33 | 92% |
[Somchem S355]* | <<locked>> | 96% | 35462 | 80% | **80 | 92% |
Vihtavuori N130 | <<locked>> | 85% | 38812 | 88% | **61 | 100% |
Vihtavuori N133 | <<locked>> | 93% | 39697 | 90% | **93 | 99% |
Vihtavuori N135 | <<locked>> | 96% | 33562 | 76% | **48 | 98% |
Vihtavuori N140 | <<locked>> | 94% | 39073 | 88% | **30 | 98% |
Vihtavuori N530 | <<locked>> | 87% | 39349 | 89% | **43 | 95% |
Vihtavuori N540 | <<locked>> | 94% | 38508 | 87% | **43 | 97% |
Winchester 748 | <<locked>> | 88% | 39784 | 90% | **95 | 96% |
[Winchester StaBALL Match]* | <<locked>> | 86% | 39610 | 90% | **69 | 94% |
Max Load - Barrel Length: 23.60''
Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
[ADI AR 2206H]* | <<locked>> | 86% | 34156 | 77% | **28 | 91% |
Accurate 2015 | <<locked>> | 81% | 32547 | 74% | **72 | 98% |
[Accurate 2230]* | <<locked>> | 81% | 33939 | 77% | **95 | 92% |
[Accurate 2460]* | <<locked>> | 81% | 33721 | 76% | **08 | 94% |
Accurate 2495 | <<locked>> | 81% | 26571 | 60% | **10 | 96% |
[Accurate 2520]* | <<locked>> | 81% | 27441 | 62% | **06 | 92% |
[Accurate 4064]* | <<locked>> | 81% | 22408 | 51% | **75 | 90% |
Alliant AR-Comp | <<locked>> | 81% | 28674 | 65% | **52 | 99% |
[Alliant Reloder- TS 15.5]* | <<locked>> | 90% | 30545 | 69% | **72 | 90% |
Alliant Reloder-10x | <<locked>> | 81% | 35839 | 81% | **51 | 99% |
[Alliant Reloder-15]* | <<locked>> | 92% | 35244 | 80% | **80 | 90% |
[Hodgdon BL-C2]* | <<locked>> | 83% | 30153 | 68% | **75 | 90% |
[Hodgdon Benchmark]* | <<locked>> | 81% | 33330 | 75% | **46 | 93% |
Hodgdon H322 | <<locked>> | 81% | 32430 | 73% | **02 | 96% |
[IMR 3031]* | <<locked>> | 81% | 25208 | 57% | **47 | 94% |
[IMR 4064]* | <<locked>> | 94% | 35346 | 80% | **31 | 90% |
[IMR 4895]* | <<locked>> | 89% | 33605 | 76% | **54 | 90% |
[IMR 8208 XBR]* | <<locked>> | 81% | 30705 | 69% | **26 | 91% |
[Lovex D073.4]* | <<locked>> | 81% | 35259 | 80% | **31 | 94% |
[Lovex D073.5]* | <<locked>> | 81% | 33185 | 75% | **98 | 94% |
[Lovex D073.6]* | <<locked>> | 81% | 26063 | 59% | **67 | 91% |
[Lovex S060]* | <<locked>> | 84% | 33939 | 77% | **46 | 90% |
[Lovex S062]* | <<locked>> | 86% | 29617 | 67% | **23 | 91% |
[Norma 201]* | <<locked>> | 82% | 29443 | 67% | **97 | 90% |
[Norma 202]* | <<locked>> | 81% | 28108 | 64% | **93 | 93% |
[Norma 203B]* | <<locked>> | 90% | 33402 | 76% | **44 | 90% |
[Ramshot Wild Boar]* | <<locked>> | 85% | 33895 | 77% | **31 | 90% |
[Ramshot X-Terminator]* | <<locked>> | 82% | 34606 | 78% | **92 | 90% |
ReloadSwiss RS 40 | <<locked>> | 81% | 34606 | 78% | **28 | 95% |
[ReloadSwiss RS 52]* | <<locked>> | 88% | 29820 | 67% | **79 | 90% |
[Rottweil R 901]* | <<locked>> | 81% | 31299 | 71% | **33 | 94% |
[Rottweil R 902]* | <<locked>> | 85% | 29936 | 68% | **00 | 90% |
[Rottweil R 903]* | <<locked>> | 94% | 30908 | 70% | **95 | 90% |
[SNPE Vectan SP 9]* | <<locked>> | 87% | 33692 | 76% | **15 | 90% |
[SNPE Vectan Tubal 3000]* | <<locked>> | 81% | 30414 | 69% | **67 | 94% |
[SNPE Vectan Tubal 5000]* | <<locked>> | 81% | 24671 | 56% | **29 | 92% |
[Shooters World Match Rifle]* | <<locked>> | 81% | 26063 | 59% | **67 | 91% |
[Shooters World Precision]* | <<locked>> | 86% | 29617 | 67% | **23 | 91% |
[Somchem S321]* | <<locked>> | 81% | 32271 | 73% | **95 | 92% |
Somchem S335 | <<locked>> | 81% | 29660 | 67% | **74 | 95% |
[Somchem S341]* | <<locked>> | 87% | 34548 | 78% | **25 | 90% |
[Somchem S355]* | <<locked>> | 93% | 32097 | 73% | **05 | 90% |
Vihtavuori N130 | <<locked>> | 81% | 33895 | 77% | **59 | 99% |
Vihtavuori N133 | <<locked>> | 81% | 28007 | 63% | **31 | 96% |
[Vihtavuori N135]* | <<locked>> | 81% | 21553 | 49% | **96 | 92% |
[Vihtavuori N140]* | <<locked>> | 81% | 26136 | 59% | **15 | 92% |
[Vihtavuori N530]* | <<locked>> | 81% | 32097 | 73% | **75 | 92% |
[Vihtavuori N540]* | <<locked>> | 81% | 25976 | 59% | **31 | 92% |
[Winchester 748]* | <<locked>> | 81% | 31546 | 71% | **98 | 92% |
[Winchester StaBALL Match]* | <<locked>> | 81% | 33620 | 76% | **34 | 91% |
Start Load - Barrel Length: 23.60''
Any powder missing? Then click here.
FR ... fill rate of the cartridge in percent
MaxP ... max. pressure of load in psi or bar
% ... max. pressure of load in percent of the maximum allowed pressure for this caliber
V(0) ... muzzle velocity in feet per second (fps) or meters per second (m/s)
z ... powder burnt in percent
[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.
[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.
[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.
👍 ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.