Load data for .250 Savage + .257 | 70gr | Sierra Blitzking

Recommended Powder(s): Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 70gr \| Sierra Blitzking
Manufacturer SKU:	1605
Bullet Weight:	70gr \| 4.5g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	0.874" \| 22.2mm
Caliber:	.250 Savage load data
Case Length (l3):	1.912" \| 48.6mm
Cartridge Length (C.O.L.):	2.477" \| 62.9mm
Seated Depth:	0.309" \| 7.8mm
Shank Seated Depth:	0.309" \| 7.8mm
Case Capacity:	45.5 Grains of Water \| 2.95 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	52939 psi \| 3650 bar
LID:	LID_B5786_C228
Last updated:	2025-02-02

Load data for 112 loads in caliber .250 Savage with .257 | 70gr | Sierra Blitzking bullet and 56 powders such as Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x. 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 34.4 fps
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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>>	97%	46122	87%	**74	92%
ADI AR 2207	<<locked>>	85%	46731	88%	**45	100%
ADI AR 2219	<<locked>>	88%	47007	89%	**14	98%
Accurate 2015 👍	<<locked>>	94%	47645	90%	**84	100%
[Accurate 2230]*	<<locked>>	91%	46702	88%	**28	93%
Accurate 2460	<<locked>>	91%	46354	88%	**58	96%
Accurate 2495 👍	<<locked>>	97%	43947	83%	**94	99%
Accurate 2520	<<locked>>	97%	46876	89%	**20	97%
Accurate 4064	<<locked>>	97%	36172	68%	**97	95%
Alliant AR-Comp 👍	<<locked>>	97%	46644	88%	**56	100%
Alliant Reloder-10x 👍	<<locked>>	90%	46847	88%	**81	100%
Alliant Reloder-7	<<locked>>	83%	46615	88%	**15	100%
Baschieri & Pellagri 106	<<locked>>	88%	47398	90%	**86	99%
[Hodgdon BL-C2]*	<<locked>>	96%	46659	88%	**20	94%
Hodgdon Benchmark	<<locked>>	93%	46572	88%	**09	95%
[Hodgdon CFE BLK]*	<<locked>>	84%	46876	89%	**73	94%
Hodgdon H322	<<locked>>	94%	47007	89%	**14	98%
Hodgdon H335	<<locked>>	88%	47253	89%	**10	97%
Hodgdon H4198	<<locked>>	86%	47630	90%	**09	98%
Hodgdon TrailBoss	<<locked>>	96%	30589	58%	**64	100%
IMR 3031	<<locked>>	97%	40045	76%	**19	97%
IMR 4198	<<locked>>	89%	46818	88%	**38	100%
[IMR 8208 XBR]*	<<locked>>	95%	46891	89%	**71	94%
Lovex D073.4	<<locked>>	90%	47514	90%	**61	96%
Lovex D073.5	<<locked>>	91%	46905	89%	**71	96%
Lovex D073.6	<<locked>>	97%	43714	83%	**51	96%
[Lovex S060]*	<<locked>>	96%	47181	89%	**05	93%
[Lovex S062]*	<<locked>>	97%	39929	75%	**23	92%
Norma 200	<<locked>>	87%	47543	90%	**78	100%
[Norma 201]*	<<locked>>	97%	45107	85%	**32	94%
Norma 202	<<locked>>	96%	44715	84%	**58	97%
[Ramshot Wild Boar]*	<<locked>>	96%	47471	90%	**07	93%
[Ramshot X-Terminator]*	<<locked>>	92%	46717	88%	**22	92%
ReloadSwiss RS 14	<<locked>>	95%	30182	57%	**03	100%
ReloadSwiss RS 40	<<locked>>	91%	46572	88%	**68	96%
Rottweil R 901	<<locked>>	95%	46499	88%	**58	97%
[Rottweil R 902]*	<<locked>>	97%	42844	81%	**66	93%
SNPE Vectan SP 10	<<locked>>	88%	47079	89%	**97	97%
[SNPE Vectan SP 9]*	<<locked>>	97%	45049	85%	**38	92%
SNPE Vectan Tubal 3000	<<locked>>	96%	46804	88%	**96	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	38624	73%	**35	96%
Shooters World Match Rifle	<<locked>>	97%	43714	83%	**51	96%
[Shooters World Precision]*	<<locked>>	97%	39929	75%	**23	92%
[Shooters World Tactical Rifle]*	<<locked>>	89%	47094	89%	**15	94%
Somchem S321	<<locked>>	92%	46514	88%	**81	95%
Somchem S335	<<locked>>	97%	46789	88%	**19	98%
[Somchem S341]*	<<locked>>	97%	47442	90%	**64	92%
Vihtavuori N120	<<locked>>	87%	46978	89%	**92	100%
Vihtavuori N130	<<locked>>	92%	46847	88%	**12	100%
Vihtavuori N133	<<locked>>	96%	43221	82%	**50	99%
Vihtavuori N135	<<locked>>	96%	32837	62%	**72	96%
Vihtavuori N140	<<locked>>	97%	41916	79%	**63	96%
Vihtavuori N530	<<locked>>	93%	46847	88%	**87	95%
Vihtavuori N540	<<locked>>	96%	41162	78%	**76	96%
Winchester 748	<<locked>>	93%	46586	88%	**23	95%
[Winchester StaBALL Match]*	<<locked>>	91%	47065	89%	**01	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	92%	40495	76%	**46	90%
ADI AR 2207	<<locked>>	81%	42003	79%	**46	100%
ADI AR 2219	<<locked>>	81%	36970	70%	**77	96%
Accurate 2015	<<locked>>	81%	31865	60%	**13	96%
[Accurate 2230]*	<<locked>>	85%	37565	71%	**31	90%
[Accurate 2460]*	<<locked>>	81%	32648	62%	**23	90%
[Accurate 2495]*	<<locked>>	81%	25338	48%	**85	92%
[Accurate 2520]*	<<locked>>	85%	30980	59%	**30	91%
[Accurate 4064]*	<<locked>>	88%	27383	52%	**41	90%
Alliant AR-Comp	<<locked>>	81%	27804	53%	**64	97%
Alliant Reloder-10x	<<locked>>	81%	34925	66%	**12	98%
Alliant Reloder-7	<<locked>>	81%	43033	81%	**40	100%
Baschieri & Pellagri 106	<<locked>>	81%	37927	72%	**89	97%
[Hodgdon BL-C2]*	<<locked>>	88%	35665	67%	**61	90%
[Hodgdon Benchmark]*	<<locked>>	82%	33475	63%	**90	90%
[Hodgdon CFE BLK]*	<<locked>>	81%	42351	80%	**74	93%
[Hodgdon H322]*	<<locked>>	81%	31459	59%	**23	93%
[Hodgdon H335]*	<<locked>>	81%	36506	69%	**61	94%
Hodgdon H4198	<<locked>>	81%	40640	77%	**58	96%
Hodgdon TrailBoss	<<locked>>	81%	24453	46%	**03	100%
[IMR 3031]*	<<locked>>	83%	25962	49%	**89	91%
IMR 4198	<<locked>>	81%	36753	69%	**25	99%
[IMR 8208 XBR]*	<<locked>>	87%	36158	68%	**15	90%
[Lovex D073.4]*	<<locked>>	81%	34403	65%	**53	91%
[Lovex D073.5]*	<<locked>>	81%	32358	61%	**13	90%
[Lovex D073.6]*	<<locked>>	87%	30560	58%	**13	90%
[Lovex S060]*	<<locked>>	91%	40509	77%	**58	90%
[Lovex S062]*	<<locked>>	93%	35070	66%	**99	90%
Norma 200	<<locked>>	81%	39537	75%	**04	99%
[Norma 201]*	<<locked>>	89%	35723	67%	**99	90%
[Norma 202]*	<<locked>>	83%	29269	55%	**54	91%
[Ramshot Wild Boar]*	<<locked>>	91%	40770	77%	**50	90%
[Ramshot X-Terminator]*	<<locked>>	88%	41321	78%	**94	90%
ReloadSwiss RS 14	<<locked>>	81%	24178	46%	**42	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	33779	64%	**56	91%
[Rottweil R 901]*	<<locked>>	81%	30661	58%	**51	91%
[Rottweil R 902]*	<<locked>>	91%	35418	67%	**82	90%
[SNPE Vectan SP 10]*	<<locked>>	81%	37347	71%	**74	94%
[SNPE Vectan SP 9]*	<<locked>>	93%	40408	76%	**33	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29515	56%	**66	91%
[SNPE Vectan Tubal 5000]*	<<locked>>	85%	26629	50%	**80	90%
[Shooters World Match Rifle]*	<<locked>>	87%	30560	58%	**13	90%
[Shooters World Precision]*	<<locked>>	93%	35070	66%	**99	90%
[Shooters World Tactical Rifle]*	<<locked>>	82%	36912	70%	**86	90%
[Somchem S321]*	<<locked>>	84%	35027	66%	**09	90%
[Somchem S335]*	<<locked>>	81%	28558	54%	**56	92%
[Somchem S341]*	<<locked>>	93%	41713	79%	**33	90%
Vihtavuori N120	<<locked>>	81%	38827	73%	**38	100%
Vihtavuori N130	<<locked>>	81%	33040	62%	**00	97%
[Vihtavuori N133]*	<<locked>>	81%	27456	52%	**40	93%
[Vihtavuori N135]*	<<locked>>	86%	24279	46%	**87	90%
[Vihtavuori N140]*	<<locked>>	84%	28500	54%	**02	91%
[Vihtavuori N530]*	<<locked>>	84%	34882	66%	**95	90%
[Vihtavuori N540]*	<<locked>>	86%	29457	56%	**44	90%
[Winchester 748]*	<<locked>>	84%	34098	64%	**05	90%
[Winchester StaBALL Match]*	<<locked>>	86%	39044	74%	**17	90%

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.