Load data for .458 Win.Mag. + .458 | 600gr | Barnes RNSP

Recommended Powder(s): Hodgdon BL-C2, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.458 \| 600gr \| Barnes RNSP
Manufacturer SKU:	45860
Bullet Weight:	600gr \| 38.9g
Bullet Diameter:	0.458" \| 11.63mm
Bullet Length:	1.600" \| 40.6mm
Caliber:	.458 Win.Mag. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.810" \| 20.6mm
Shank Seated Depth:	0.810" \| 20.6mm
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_B826_C796
Last updated:	2025-01-01

Load data for 132 loads in caliber .458 Win.Mag. with .458 | 600gr | Barnes RNSP bullet and 66 powders such as Hodgdon BL-C2, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match. 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. 13.5 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%	49414	79%	**81	99%
ADI AR 2207	<<locked>>	88%	55201	89%	**26	100%
ADI AR 2219	<<locked>>	91%	55274	89%	**08	100%
Accurate 2015	<<locked>>	96%	55390	89%	**72	100%
Accurate 2200	<<locked>>	97%	53316	85%	**78	98%
Accurate 2230	<<locked>>	94%	55666	89%	**04	100%
Accurate 2460	<<locked>>	95%	55796	89%	**14	100%
Accurate 2495	<<locked>>	97%	47210	76%	**68	100%
Accurate 2520	<<locked>>	97%	49821	80%	**95	100%
Accurate 4064	<<locked>>	97%	38885	62%	**90	100%
Alliant AR-Comp	<<locked>>	97%	49734	80%	**72	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	39334	63%	**86	98%
Alliant Reloder-10x	<<locked>>	94%	55680	89%	**75	100%
Alliant Reloder-15	<<locked>>	97%	43453	70%	**36	97%
Alliant Reloder-7	<<locked>>	87%	55666	89%	**29	100%
Baschieri & Pellagri 106	<<locked>>	92%	55898	90%	**42	100%
Baschieri & Pellagri 107	<<locked>>	97%	48501	78%	**85	97%
Hodgdon BL-C2 👍	<<locked>>	97%	50154	80%	**21	100%
Hodgdon Benchmark	<<locked>>	96%	54795	88%	**75	100%
Hodgdon CFE BLK	<<locked>>	88%	55564	89%	**52	100%
Hodgdon CFE223	<<locked>>	97%	42786	69%	**42	96%
Hodgdon H322	<<locked>>	97%	55274	89%	**08	100%
Hodgdon H335	<<locked>>	92%	55564	89%	**24	100%
Hodgdon H380	<<locked>>	97%	41133	66%	**99	95%
Hodgdon H4198	<<locked>>	89%	55622	89%	**29	100%
IMR 3031	<<locked>>	97%	42757	69%	**32	100%
IMR 4198	<<locked>>	93%	56043	90%	**39	100%
IMR 4895	<<locked>>	97%	44396	71%	**55	98%
IMR 8208 XBR	<<locked>>	97%	52402	84%	**85	100%
Lovex D073.4	<<locked>>	93%	55013	88%	**98	100%
Lovex D073.5	<<locked>>	95%	55564	89%	**14	100%
Lovex D073.6	<<locked>>	97%	46905	75%	**68	100%
Lovex S060	<<locked>>	97%	51024	82%	**36	99%
Lovex S062	<<locked>>	97%	42699	68%	**99	99%
Norma 200	<<locked>>	89%	55085	88%	**52	100%
Norma 201	<<locked>>	97%	47674	76%	**42	99%
Norma 202	<<locked>>	97%	47688	76%	**52	100%
Norma 203B	<<locked>>	97%	42583	68%	**26	98%
Ramshot Big Game	<<locked>>	97%	43004	69%	**39	97%
Ramshot TAC	<<locked>>	97%	53127	85%	**95	97%
Ramshot Wild Boar	<<locked>>	97%	51155	82%	**08	99%
Ramshot X-Terminator	<<locked>>	95%	55492	89%	**01	99%
ReloadSwiss RS 40	<<locked>>	95%	55898	90%	**14	100%
[ReloadSwiss RS 50]*	<<locked>>	97%	42453	68%	**83	93%
ReloadSwiss RS 52	<<locked>>	97%	40843	65%	**36	99%
Rottweil R 901	<<locked>>	97%	52025	83%	**65	100%
Rottweil R 902	<<locked>>	97%	45252	73%	**09	99%
SNPE Vectan SP 10	<<locked>>	91%	56101	90%	**24	100%
SNPE Vectan SP 11	<<locked>>	97%	38870	62%	**90	96%
SNPE Vectan SP 7	<<locked>>	97%	50082	80%	**72	97%
SNPE Vectan SP 9	<<locked>>	97%	47340	76%	**62	98%
SNPE Vectan Tubal 3000	<<locked>>	97%	51329	82%	**16	100%
Shooters World Match Rifle	<<locked>>	97%	46905	75%	**68	100%
Shooters World Precision	<<locked>>	97%	42699	68%	**99	99%
Shooters World Tactical Rifle	<<locked>>	92%	56057	90%	**88	100%
Somchem S321 👍	<<locked>>	96%	55680	89%	**37	100%
Somchem S335	<<locked>>	97%	49269	79%	**16	100%
Somchem S341	<<locked>>	97%	49516	79%	**72	98%
Vihtavuori N120	<<locked>>	91%	55622	89%	**93	100%
Vihtavuori N130	<<locked>>	96%	55216	89%	**39	100%
Vihtavuori N133	<<locked>>	97%	46818	75%	**77	100%
Vihtavuori N140	<<locked>>	97%	44338	71%	**03	100%
Vihtavuori N530 👍	<<locked>>	97%	55593	89%	**21	100%
Vihtavuori N540	<<locked>>	97%	43932	70%	**22	100%
Winchester 748 👍	<<locked>>	97%	55042	88%	**57	100%
Winchester StaBALL Match 👍	<<locked>>	94%	55724	89%	**57	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	88%	37797	61%	**40	96%
ADI AR 2207	<<locked>>	82%	46615	75%	**47	100%
ADI AR 2219	<<locked>>	81%	39624	64%	**54	100%
Accurate 2015	<<locked>>	87%	41829	67%	**44	100%
Accurate 2200	<<locked>>	88%	41321	66%	**50	95%
Accurate 2230	<<locked>>	84%	39856	64%	**44	98%
Accurate 2460	<<locked>>	84%	38841	62%	**40	99%
Accurate 2495	<<locked>>	88%	35781	57%	**40	100%
Accurate 2520	<<locked>>	87%	36129	58%	**44	99%
Accurate 4064	<<locked>>	93%	34954	56%	**40	100%
Alliant AR-Comp	<<locked>>	88%	37507	60%	**47	100%
Alliant Reloder- TS 15.5	<<locked>>	94%	36085	58%	**44	97%
Alliant Reloder-10x	<<locked>>	84%	41510	67%	**40	100%
Alliant Reloder-15	<<locked>>	91%	36840	59%	**47	96%
Alliant Reloder-7	<<locked>>	81%	46122	74%	**44	100%
Baschieri & Pellagri 106	<<locked>>	84%	44846	72%	**44	100%
Baschieri & Pellagri 107	<<locked>>	89%	37289	60%	**44	95%
Hodgdon BL-C2	<<locked>>	86%	35085	56%	**40	97%
Hodgdon Benchmark	<<locked>>	88%	42424	68%	**44	99%
Hodgdon CFE BLK	<<locked>>	81%	44918	72%	**47	99%
[Hodgdon CFE223]*	<<locked>>	91%	35926	58%	**47	94%
Hodgdon H322	<<locked>>	86%	38899	62%	**44	100%
Hodgdon H335	<<locked>>	81%	38856	62%	**54	100%
[Hodgdon H380]*	<<locked>>	94%	37260	60%	**47	94%
Hodgdon H4198	<<locked>>	83%	46108	74%	**40	100%
IMR 3031	<<locked>>	91%	35650	57%	**47	100%
IMR 4198	<<locked>>	86%	45513	73%	**47	100%
IMR 4895	<<locked>>	90%	35737	57%	**44	96%
IMR 8208 XBR	<<locked>>	88%	39508	63%	**44	98%
Lovex D073.4	<<locked>>	84%	40219	64%	**47	99%
Lovex D073.5	<<locked>>	84%	39436	63%	**47	99%
Lovex D073.6	<<locked>>	89%	35955	58%	**40	99%
Lovex S060	<<locked>>	91%	42569	68%	**44	97%
Lovex S062	<<locked>>	93%	38740	62%	**50	98%
Norma 200	<<locked>>	81%	43511	70%	**47	100%
Norma 201	<<locked>>	90%	39740	64%	**50	98%
Norma 202	<<locked>>	89%	38029	61%	**44	100%
Norma 203B	<<locked>>	91%	36042	58%	**40	96%
Ramshot Big Game	<<locked>>	91%	35882	58%	**44	95%
[Ramshot TAC]*	<<locked>>	88%	39827	64%	**44	94%
Ramshot Wild Boar	<<locked>>	87%	37478	60%	**47	96%
Ramshot X-Terminator	<<locked>>	86%	40930	66%	**47	97%
ReloadSwiss RS 40	<<locked>>	84%	39885	64%	**47	99%
[ReloadSwiss RS 50]*	<<locked>>	94%	39146	63%	**44	92%
ReloadSwiss RS 52	<<locked>>	91%	34432	55%	**50	97%
Rottweil R 901	<<locked>>	88%	40495	65%	**44	100%
Rottweil R 902	<<locked>>	92%	39711	64%	**44	98%
SNPE Vectan SP 10	<<locked>>	81%	40089	64%	**60	100%
SNPE Vectan SP 11	<<locked>>	94%	35926	58%	**47	95%
[SNPE Vectan SP 7]*	<<locked>>	89%	38682	62%	**44	94%
SNPE Vectan SP 9	<<locked>>	89%	37710	60%	**40	96%
SNPE Vectan Tubal 3000	<<locked>>	92%	43787	70%	**44	100%
Shooters World Match Rifle	<<locked>>	89%	35955	58%	**40	99%
Shooters World Precision	<<locked>>	93%	38740	62%	**50	98%
Shooters World Tactical Rifle	<<locked>>	84%	41727	67%	**44	98%
Somchem S321	<<locked>>	84%	37913	61%	**47	98%
Somchem S335	<<locked>>	92%	42525	68%	**47	100%
Somchem S341	<<locked>>	89%	38464	62%	**47	96%
Vihtavuori N120	<<locked>>	86%	49487	79%	**40	100%
Vihtavuori N130	<<locked>>	89%	45310	73%	**47	100%
Vihtavuori N133	<<locked>>	94%	43511	70%	**44	100%
Vihtavuori N140	<<locked>>	93%	39349	63%	**47	100%
Vihtavuori N530	<<locked>>	86%	39146	63%	**50	98%
Vihtavuori N540	<<locked>>	91%	37318	60%	**44	99%
Winchester 748	<<locked>>	84%	36187	58%	**44	98%
Winchester StaBALL Match	<<locked>>	83%	36448	58%	**40	97%

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