Load data for .458 Win.Mag. + .458 | 500gr | Nosler Partition PP

Recommended Powder(s): Accurate 2460, Hodgdon H335, ReloadSwiss RS 40, SNPE Vectan SP 10, Winchester 748

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.458 \| 500gr \| Nosler Partition PP
Manufacturer SKU:	44745
Bullet Weight:	500gr \| 32.4g
Bullet Diameter:	0.458" \| 11.63mm
Bullet Length:	1.443" \| 36.7mm
Caliber:	.458 Win.Mag. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.653" \| 16.6mm
Shank Seated Depth:	0.653" \| 16.6mm
Case Capacity:	95.0 Grains of Water \| 6.17 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	62366 psi \| 4300 bar
LID:	LID_B4210_C796
Last updated:	2025-01-01

Load data for 158 loads in caliber .458 Win.Mag. with .458 | 500gr | Nosler Partition PP bullet and 79 powders such as Accurate 2460, Hodgdon H335, ReloadSwiss RS 40, SNPE Vectan SP 10, Winchester 748. 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 "Dashboard " 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. 15.6 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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>>	97%	46035	74%	**65	97%
ADI AR 2207	<<locked>>	90%	55535	89%	**62	100%
[ADI AR 2208]*	<<locked>>	97%	39407	63%	**50	94%
ADI AR 2219	<<locked>>	93%	55187	88%	**47	100%
Accurate 2015	<<locked>>	97%	52605	84%	**82	100%
Accurate 2200	<<locked>>	97%	50691	81%	**75	96%
Accurate 2230	<<locked>>	96%	55637	89%	**34	99%
Accurate 2460 👍	<<locked>>	97%	55738	89%	**47	100%
Accurate 2495	<<locked>>	97%	43439	70%	**59	100%
Accurate 2520	<<locked>>	97%	46586	75%	**91	99%
Accurate 4064	<<locked>>	97%	35795	57%	**64	99%
Alliant AR-Comp	<<locked>>	97%	46456	74%	**78	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	36622	59%	**57	96%
Alliant Reloder-10x	<<locked>>	96%	56101	90%	**21	100%
Alliant Reloder-15	<<locked>>	97%	40248	65%	**06	95%
[Alliant Reloder-17]*	<<locked>>	97%	33388	54%	**21	92%
Alliant Reloder-7	<<locked>>	89%	55782	89%	**65	100%
Baschieri & Pellagri 106	<<locked>>	93%	56028	90%	**75	100%
Baschieri & Pellagri 107	<<locked>>	97%	45788	73%	**69	95%
Hodgdon BL-C2	<<locked>>	97%	46847	75%	**11	98%
Hodgdon Benchmark	<<locked>>	97%	52620	84%	**78	99%
Hodgdon CFE BLK	<<locked>>	89%	55448	89%	**75	99%
[Hodgdon CFE223]*	<<locked>>	97%	40030	64%	**09	93%
Hodgdon H322	<<locked>>	97%	51706	83%	**14	100%
Hodgdon H335 👍	<<locked>>	94%	55448	89%	**64	100%
[Hodgdon H380]*	<<locked>>	97%	38058	61%	**64	92%
Hodgdon H4198	<<locked>>	91%	55564	89%	**59	100%
[Hodgdon VARGET]*	<<locked>>	97%	39117	63%	**47	94%
IMR 3031	<<locked>>	97%	39755	64%	**23	100%
[IMR 4064]*	<<locked>>	97%	37971	61%	**24	94%
IMR 4198	<<locked>>	95%	55405	89%	**69	100%
IMR 4227	<<locked>>	85%	55608	89%	**09	100%
IMR 4895	<<locked>>	97%	41075	66%	**32	96%
IMR 8208 XBR	<<locked>>	97%	48950	78%	**75	98%
Lovex D073.4	<<locked>>	95%	55434	89%	**31	100%
Lovex D073.5	<<locked>>	97%	55027	88%	**44	100%
Lovex D073.6	<<locked>>	97%	42772	69%	**49	99%
Lovex S053	<<locked>>	86%	55898	90%	**86	100%
Lovex S060	<<locked>>	97%	47790	77%	**19	97%
Lovex S062	<<locked>>	97%	39595	63%	**73	97%
Norma 200	<<locked>>	92%	56072	90%	**01	100%
Norma 201	<<locked>>	97%	44454	71%	**26	98%
Norma 202	<<locked>>	97%	44454	71%	**39	100%
Norma 203B	<<locked>>	97%	39218	63%	**00	95%
Ramshot Big Game	<<locked>>	97%	40176	64%	**09	95%
[Ramshot TAC]*	<<locked>>	97%	49574	79%	**75	94%
Ramshot Wild Boar	<<locked>>	97%	47863	77%	**95	97%
Ramshot X-Terminator	<<locked>>	97%	54346	87%	**18	98%
ReloadSwiss RS 36	<<locked>>	84%	55187	88%	**39	100%
ReloadSwiss RS 40 👍	<<locked>>	97%	55666	89%	**47	100%
ReloadSwiss RS 52	<<locked>>	97%	38101	61%	**09	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	32750	53%	**04	92%
Rottweil R 901	<<locked>>	97%	48921	78%	**62	100%
Rottweil R 902	<<locked>>	97%	42583	68%	**96	97%
[Rottweil R 903]*	<<locked>>	97%	32721	52%	**04	94%
SNPE Vectan BA6 1/2	<<locked>>	89%	55753	89%	**65	100%
SNPE Vectan SP 10 👍	<<locked>>	93%	55912	90%	**57	100%
[SNPE Vectan SP 11]*	<<locked>>	97%	36463	58%	**57	93%
[SNPE Vectan SP 7]*	<<locked>>	97%	46630	75%	**49	94%
SNPE Vectan SP 9	<<locked>>	97%	44295	71%	**39	96%
SNPE Vectan Tubal 3000	<<locked>>	97%	47935	77%	**06	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	38276	61%	**01	99%
Shooters World Match Rifle	<<locked>>	97%	42772	69%	**49	99%
Shooters World Precision	<<locked>>	97%	39595	63%	**73	97%
Shooters World Tactical Rifle	<<locked>>	94%	56014	90%	**14	99%
Somchem S321	<<locked>>	97%	53505	86%	**47	99%
Somchem S335	<<locked>>	97%	46354	74%	**09	100%
Somchem S341	<<locked>>	97%	46615	75%	**59	97%
[Somchem S355]*	<<locked>>	97%	34592	55%	**21	94%
Vihtavuori N120	<<locked>>	92%	55622	89%	**23	100%
Vihtavuori N130	<<locked>>	97%	53519	86%	**52	100%
Vihtavuori N133	<<locked>>	97%	43671	70%	**64	100%
Vihtavuori N135	<<locked>>	97%	33533	54%	**91	99%
Vihtavuori N140	<<locked>>	97%	41394	66%	**86	99%
[Vihtavuori N150]*	<<locked>>	97%	29805	48%	**16	94%
Vihtavuori N530	<<locked>>	97%	52098	84%	**18	99%
Vihtavuori N540	<<locked>>	97%	40886	66%	**06	99%
Winchester 748 👍	<<locked>>	97%	51967	83%	**60	99%
Winchester StaBALL Match	<<locked>>	96%	55332	89%	**83	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	28253	45%	**77	91%
ADI AR 2207	<<locked>>	81%	42264	68%	**27	100%
[ADI AR 2208]*	<<locked>>	88%	30211	48%	**93	90%
ADI AR 2219	<<locked>>	81%	37130	60%	**31	99%
Accurate 2015	<<locked>>	81%	32242	52%	**22	100%
[Accurate 2200]*	<<locked>>	83%	32532	52%	**13	90%
[Accurate 2230]*	<<locked>>	81%	32793	53%	**39	94%
Accurate 2460	<<locked>>	81%	32808	53%	**55	96%
Accurate 2495	<<locked>>	81%	25875	41%	**86	98%
Accurate 2520	<<locked>>	81%	27064	43%	**93	95%
Accurate 4064	<<locked>>	84%	24163	39%	**47	95%
Alliant AR-Comp	<<locked>>	81%	28268	45%	**16	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	85%	25483	41%	**44	90%
Alliant Reloder-10x	<<locked>>	81%	35476	57%	**78	100%
[Alliant Reloder-15]*	<<locked>>	86%	28834	46%	**09	90%
[Alliant Reloder-17]*	<<locked>>	94%	30734	49%	**65	90%
Alliant Reloder-7	<<locked>>	81%	43772	70%	**37	100%
Baschieri & Pellagri 106	<<locked>>	81%	37782	61%	**68	99%
[Baschieri & Pellagri 107]*	<<locked>>	86%	31850	51%	**49	90%
[Hodgdon BL-C2]*	<<locked>>	81%	27615	44%	**99	92%
Hodgdon Benchmark	<<locked>>	81%	32721	52%	**03	95%
Hodgdon CFE BLK	<<locked>>	81%	42467	68%	**21	97%
[Hodgdon CFE223]*	<<locked>>	91%	33620	54%	**04	90%
Hodgdon H322	<<locked>>	81%	31792	51%	**42	98%
Hodgdon H335	<<locked>>	81%	36274	58%	**24	98%
[Hodgdon H380]*	<<locked>>	92%	33199	53%	**85	90%
Hodgdon H4198	<<locked>>	81%	41350	66%	**95	99%
[Hodgdon VARGET]*	<<locked>>	88%	30298	49%	**93	90%
IMR 3031	<<locked>>	81%	24932	40%	**47	96%
[IMR 4064]*	<<locked>>	88%	29269	47%	**73	90%
IMR 4198	<<locked>>	81%	37173	60%	**62	100%
IMR 4227	<<locked>>	81%	49821	80%	**54	100%
[IMR 4895]*	<<locked>>	83%	27267	44%	**86	90%
[IMR 8208 XBR]*	<<locked>>	81%	30095	48%	**96	93%
Lovex D073.4	<<locked>>	81%	34374	55%	**68	96%
Lovex D073.5	<<locked>>	81%	32329	52%	**49	96%
[Lovex D073.6]*	<<locked>>	81%	25251	40%	**54	94%
Lovex S053	<<locked>>	81%	48617	78%	**14	100%
[Lovex S060]*	<<locked>>	81%	30153	48%	**50	91%
[Lovex S062]*	<<locked>>	83%	26527	43%	**47	92%
Norma 200	<<locked>>	81%	40132	64%	**27	100%
[Norma 201]*	<<locked>>	81%	27746	44%	**54	92%
Norma 202	<<locked>>	81%	27224	44%	**67	95%
[Norma 203B]*	<<locked>>	85%	27354	44%	**83	90%
[Ramshot Big Game]*	<<locked>>	88%	30139	48%	**32	90%
[Ramshot TAC]*	<<locked>>	86%	35998	58%	**85	90%
[Ramshot Wild Boar]*	<<locked>>	81%	28979	46%	**96	91%
[Ramshot X-Terminator]*	<<locked>>	81%	32909	53%	**26	92%
ReloadSwiss RS 36	<<locked>>	81%	49588	80%	**83	100%
ReloadSwiss RS 40	<<locked>>	81%	34113	55%	**65	97%
[ReloadSwiss RS 52]*	<<locked>>	83%	24642	40%	**44	90%
[ReloadSwiss RS 60]*	<<locked>>	94%	29994	48%	**45	90%
Rottweil R 901	<<locked>>	81%	30966	50%	**03	97%
[Rottweil R 902]*	<<locked>>	82%	27412	44%	**40	92%
[Rottweil R 903]*	<<locked>>	88%	25251	40%	**54	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	44846	72%	**63	100%
SNPE Vectan SP 10	<<locked>>	81%	37608	60%	**41	98%
[SNPE Vectan SP 11]*	<<locked>>	90%	29646	48%	**29	90%
[SNPE Vectan SP 7]*	<<locked>>	87%	34055	55%	**72	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	27804	45%	**63	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	29834	48%	**47	96%
SNPE Vectan Tubal 5000	<<locked>>	87%	28660	46%	**44	97%
[Shooters World Match Rifle]*	<<locked>>	81%	25251	40%	**54	94%
[Shooters World Precision]*	<<locked>>	83%	26527	43%	**47	92%
Shooters World Tactical Rifle	<<locked>>	81%	36201	58%	**72	95%
[Somchem S321]*	<<locked>>	81%	31430	50%	**45	94%
Somchem S335	<<locked>>	81%	28979	46%	**50	97%
[Somchem S341]*	<<locked>>	82%	28500	46%	**73	90%
[Somchem S355]*	<<locked>>	87%	26020	42%	**54	90%
Vihtavuori N120	<<locked>>	81%	39784	64%	**62	100%
Vihtavuori N130	<<locked>>	81%	33533	54%	**09	100%
Vihtavuori N133	<<locked>>	82%	29051	47%	**50	99%
Vihtavuori N135	<<locked>>	88%	25933	42%	**50	97%
Vihtavuori N140	<<locked>>	83%	27079	43%	**47	96%
[Vihtavuori N150]*	<<locked>>	93%	26484	42%	**44	92%
[Vihtavuori N530]*	<<locked>>	81%	31343	50%	**29	94%
[Vihtavuori N540]*	<<locked>>	82%	25773	41%	**40	94%
Winchester 748	<<locked>>	81%	30676	49%	**49	95%
[Winchester StaBALL Match]*	<<locked>>	81%	32634	52%	**75	93%

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