Load data for .250 Savage + .257 | 90gr | Sierra HPBT GameKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 90gr \| Sierra HPBT GameKing
Manufacturer SKU:	1615
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	<<locked>>
Caliber:	.250 Savage load data
Case Length (l3):	1.912" \| 48.6mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	45.5 Grains of Water \| 2.95 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	52939 psi \| 3650 bar
LID:	LID_B5791_C228
Last updated:	2026-03-23
Recommended Twist Rate:	1:13 - 1:11

Load data for 150 loads in caliber .250 Savage with .257 | 90gr | Sierra HPBT GameKing bullet and 75 powder(s). 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".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

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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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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>>	91%	46920	89%	**82	96%
ADI AR 2208	<<locked>>	96%	46949	89%	**59	95%
ADI Benchmark 8208	<<locked>>	89%	47369	89%	**66	98%
Accurate 2015	<<locked>>	87%	47224	89%	**30	100%
[Accurate 2200]*	<<locked>>	88%	46543	88%	**23	94%
Accurate 2230	<<locked>>	85%	47137	89%	**43	97%
Accurate 2460	<<locked>>	85%	46398	88%	**36	98%
Accurate 2495	<<locked>>	91%	47326	89%	**05	100%
Accurate 2520 👍	<<locked>>	90%	47645	90%	**12	99%
Accurate 4064 👍	<<locked>>	97%	47123	89%	**12	100%
Alliant AR-Comp	<<locked>>	90%	47108	89%	**99	100%
Alliant Power Pro 2000-MR	<<locked>>	93%	46963	89%	**74	95%
Alliant Reloder- TS 15.5	<<locked>>	97%	46601	88%	**92	97%
Alliant Reloder-10x	<<locked>>	84%	46702	88%	**36	100%
Alliant Reloder-15	<<locked>>	95%	47529	90%	**12	96%
[Alliant Reloder-17]*	<<locked>>	96%	40814	77%	**43	94%
Baschieri & Pellagri 107	<<locked>>	91%	47413	90%	**99	95%
Bofors RP3	<<locked>>	97%	46528	88%	**09	97%
Hodgdon BL-C2	<<locked>>	90%	47268	89%	**25	98%
Hodgdon Benchmark	<<locked>>	87%	46557	88%	**07	98%
Hodgdon CFE223	<<locked>>	95%	47181	89%	**35	95%
Hodgdon H322	<<locked>>	87%	46427	88%	**63	100%
[Hodgdon H380]*	<<locked>>	96%	47007	89%	**86	94%
Hodgdon H4895	<<locked>>	91%	47224	89%	**99	97%
Hodgdon VARGET	<<locked>>	96%	46441	88%	**49	95%
Hodgdon TrailBoss	<<locked>>	95%	31676	60%	**41	100%
IMR 3031 👍	<<locked>>	95%	47413	90%	**38	100%
IMR 4064	<<locked>>	96%	46209	87%	**40	96%
IMR 4895	<<locked>>	94%	47384	90%	**28	97%
IMR 8208 XBR	<<locked>>	89%	47369	89%	**66	98%
Lovex D073.4	<<locked>>	84%	47224	89%	**46	98%
Lovex D073.5	<<locked>>	85%	46398	88%	**36	98%
Lovex D073.6 👍	<<locked>>	92%	47036	89%	**02	99%
Lovex S060	<<locked>>	90%	47036	89%	**10	96%
Lovex S062	<<locked>>	95%	47036	89%	**69	98%
Norma 201	<<locked>>	92%	47601	90%	**69	98%
Norma 202	<<locked>>	92%	47587	90%	**82	99%
Norma 203B	<<locked>>	95%	46659	88%	**02	96%
Ramshot Big Game	<<locked>>	94%	46702	88%	**12	96%
[Ramshot TAC]*	<<locked>>	89%	47007	89%	**36	93%
Ramshot Wild Boar	<<locked>>	89%	46963	89%	**92	96%
Ramshot X-Terminator	<<locked>>	86%	46760	88%	**23	96%
ReloadSwiss RS 14	<<locked>>	97%	32590	62%	**00	100%
ReloadSwiss RS 40	<<locked>>	85%	46862	89%	**59	99%
[ReloadSwiss RS 50]*	<<locked>>	95%	46630	88%	**36	92%
ReloadSwiss RS 52	<<locked>>	93%	46920	89%	**77	96%
ReloadSwiss RS 60	<<locked>>	96%	43729	83%	**28	98%
Rottweil R 901	<<locked>>	89%	47355	89%	**46	99%
Rottweil R 902	<<locked>>	93%	46311	87%	**40	98%
Rottweil R 903	<<locked>>	96%	42757	81%	**23	96%
SNPE Vectan SP 11	<<locked>>	97%	45397	86%	**99	96%
[SNPE Vectan SP 7]*	<<locked>>	90%	46963	89%	**49	94%
SNPE Vectan SP 9	<<locked>>	91%	46470	88%	**69	96%
SNPE Vectan Tubal 3000	<<locked>>	89%	46731	88%	**84	99%
SNPE Vectan Tubal 5000	<<locked>>	96%	47108	89%	**94	100%
Shooters World Match Rifle 👍	<<locked>>	92%	47036	89%	**02	99%
Shooters World Precision	<<locked>>	95%	47036	89%	**69	98%
Shooters World Tactical Rifle	<<locked>>	83%	47253	89%	**20	97%
Somchem S321	<<locked>>	86%	46601	88%	**69	98%
Somchem S335	<<locked>>	90%	46833	88%	**97	100%
Somchem S341	<<locked>>	91%	47152	89%	**63	96%
Somchem S355	<<locked>>	97%	44396	84%	**43	96%
[Somchem S365]*	<<locked>>	96%	31502	60%	**97	92%
Vihtavuori N130	<<locked>>	86%	46775	88%	**77	100%
Vihtavuori N133	<<locked>>	92%	47326	89%	**00	100%
Vihtavuori N135	<<locked>>	97%	42482	80%	**84	100%
Vihtavuori N140	<<locked>>	93%	46644	88%	**46	100%
Vihtavuori N150	<<locked>>	96%	37202	70%	**62	96%
[Vihtavuori N160]*	<<locked>>	97%	39639	75%	**31	92%
Vihtavuori N530	<<locked>>	87%	47268	89%	**72	98%
Vihtavuori N540	<<locked>>	94%	46833	88%	**72	99%
[Vihtavuori N550]*	<<locked>>	97%	39204	74%	**71	92%
[Winchester 6.5 StaBALL]*	<<locked>>	97%	38928	74%	**72	94%
Winchester 748	<<locked>>	87%	46499	88%	**05	98%
Winchester StaBALL Match	<<locked>>	85%	47500	90%	**12	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	34563	65%	**00	92%
[ADI AR 2208]*	<<locked>>	85%	33765	64%	**57	90%
ADI Benchmark 8208	<<locked>>	81%	36680	69%	**33	95%
Accurate 2015	<<locked>>	81%	39218	74%	**72	100%
[Accurate 2200]*	<<locked>>	81%	36825	70%	**13	91%
Accurate 2230	<<locked>>	81%	41176	78%	**18	96%
Accurate 2460	<<locked>>	81%	40857	77%	**31	97%
Accurate 2495	<<locked>>	81%	33663	64%	**30	99%
Accurate 2520	<<locked>>	81%	34519	65%	**36	96%
Accurate 4064	<<locked>>	81%	28311	53%	**72	95%
Alliant AR-Comp	<<locked>>	81%	34461	65%	**56	100%
[Alliant Power Pro 2000-MR]*	<<locked>>	86%	37318	70%	**31	90%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	28268	53%	**52	90%
Alliant Reloder-10x	<<locked>>	81%	43192	82%	**71	100%
[Alliant Reloder-15]*	<<locked>>	83%	32358	61%	**64	90%
[Alliant Reloder-17]*	<<locked>>	89%	32677	62%	**17	90%
[Baschieri & Pellagri 107]*	<<locked>>	82%	35215	67%	**23	90%
[Bofors RP3]*	<<locked>>	82%	27905	53%	**59	90%
[Hodgdon BL-C2]*	<<locked>>	81%	34374	65%	**40	94%
Hodgdon Benchmark	<<locked>>	81%	39117	74%	**46	96%
[Hodgdon CFE223]*	<<locked>>	87%	35810	68%	**72	90%
Hodgdon H322	<<locked>>	81%	38392	73%	**99	99%
[Hodgdon H380]*	<<locked>>	89%	37101	70%	**69	90%
[Hodgdon H4895]*	<<locked>>	81%	34824	66%	**20	93%
[Hodgdon VARGET]*	<<locked>>	85%	33214	63%	**41	90%
Hodgdon TrailBoss	<<locked>>	81%	25454	48%	**96	100%
IMR 3031	<<locked>>	81%	30516	58%	**61	97%
[IMR 4064]*	<<locked>>	84%	32169	61%	**12	90%
[IMR 4895]*	<<locked>>	81%	31198	59%	**41	90%
IMR 8208 XBR	<<locked>>	81%	36680	69%	**33	95%
Lovex D073.4	<<locked>>	81%	42395	80%	**54	97%
Lovex D073.5	<<locked>>	81%	40857	77%	**31	97%
Lovex D073.6	<<locked>>	81%	32198	61%	**77	95%
[Lovex S060]*	<<locked>>	81%	35723	67%	**54	93%
[Lovex S062]*	<<locked>>	81%	30211	57%	**75	92%
[Norma 201]*	<<locked>>	81%	34171	65%	**67	94%
Norma 202	<<locked>>	81%	33837	64%	**97	97%
[Norma 203B]*	<<locked>>	82%	30748	58%	**28	90%
[Ramshot Big Game]*	<<locked>>	84%	32793	62%	**87	90%
[Ramshot TAC]*	<<locked>>	83%	39653	75%	**82	90%
[Ramshot Wild Boar]*	<<locked>>	81%	35389	67%	**30	92%
[Ramshot X-Terminator]*	<<locked>>	81%	40190	76%	**89	94%
ReloadSwiss RS 14	<<locked>>	81%	25411	48%	**32	100%
ReloadSwiss RS 40	<<locked>>	81%	41350	78%	**48	98%
[ReloadSwiss RS 50]*	<<locked>>	92%	42134	80%	**48	90%
[ReloadSwiss RS 52]*	<<locked>>	84%	34084	64%	**72	91%
[ReloadSwiss RS 60]*	<<locked>>	83%	28616	54%	**98	90%
Rottweil R 901	<<locked>>	81%	37507	71%	**43	97%
[Rottweil R 902]*	<<locked>>	81%	32416	61%	**18	93%
[Rottweil R 903]*	<<locked>>	85%	29327	55%	**89	90%
[SNPE Vectan SP 11]*	<<locked>>	87%	32808	62%	**90	90%
[SNPE Vectan SP 7]*	<<locked>>	83%	37144	70%	**36	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	33446	63%	**71	91%
SNPE Vectan Tubal 3000	<<locked>>	81%	35926	68%	**57	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	29037	55%	**97	96%
Shooters World Match Rifle	<<locked>>	81%	32198	61%	**77	95%
[Shooters World Precision]*	<<locked>>	81%	30211	57%	**75	92%
Shooters World Tactical Rifle	<<locked>>	81%	43714	83%	**54	96%
Somchem S321	<<locked>>	81%	38856	73%	**08	96%
Somchem S335	<<locked>>	81%	35331	67%	**64	98%
[Somchem S341]*	<<locked>>	81%	33823	64%	**64	91%
[Somchem S355]*	<<locked>>	84%	29196	55%	**72	90%
[Somchem S365]*	<<locked>>	94%	29182	55%	**21	90%
Vihtavuori N130	<<locked>>	81%	40147	76%	**53	100%
Vihtavuori N133	<<locked>>	81%	33402	63%	**18	99%
Vihtavuori N135	<<locked>>	81%	25817	49%	**70	96%
Vihtavuori N140	<<locked>>	81%	31372	59%	**12	96%
[Vihtavuori N150]*	<<locked>>	85%	26295	50%	**61	90%
[Vihtavuori N160]*	<<locked>>	94%	36825	70%	**62	90%
Vihtavuori N530	<<locked>>	81%	38305	72%	**89	95%
Vihtavuori N540	<<locked>>	81%	31067	59%	**18	95%
[Vihtavuori N550]*	<<locked>>	94%	36376	69%	**02	90%
[Winchester 6.5 StaBALL]*	<<locked>>	91%	32285	61%	**05	90%
Winchester 748	<<locked>>	81%	37797	71%	**22	96%
Winchester StaBALL Match	<<locked>>	81%	40799	77%	**67	95%

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.

<<locked>>... you need to buy an access license to unlock the data