Load data for .458 Win.Mag. + .458 | 300gr | Nosler CT Ballistic Silvertip

Recommended Powder(s): ADI AR 2219, Alliant Reloder-10x, Hodgdon H4198, IMR 4198, Norma 200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.458 \| 300gr \| Nosler CT Ballistic Silvertip
Manufacturer SKU:	51834
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.458" \| 11.63mm
Bullet Length:	0.915" \| 23.2mm
Caliber:	.458 Win.Mag. load data
Case Length (l3):	2.500" \| 63.5mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.125" \| 3.2mm
Shank Seated Depth:	0.125" \| 3.2mm
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_B4207_C796
Last updated:	2025-02-02

Load data for 106 loads in caliber .458 Win.Mag. with .458 | 300gr | Nosler CT Ballistic Silvertip bullet and 53 powders such as ADI AR 2219, Alliant Reloder-10x, Hodgdon H4198, IMR 4198, Norma 200. 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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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 2205	<<locked>>	84%	56072	90%	**75	100%
ADI AR 2207	<<locked>>	95%	55666	89%	**49	100%
ADI AR 2219 👍	<<locked>>	97%	53432	86%	**85	99%
Accurate 1680	<<locked>>	87%	55666	89%	**30	100%
Accurate 2015	<<locked>>	97%	43598	70%	**95	99%
[Accurate 2230]*	<<locked>>	97%	48022	77%	**48	93%
Accurate 2460	<<locked>>	97%	46514	75%	**54	95%
Accurate 2495	<<locked>>	97%	34766	56%	**30	97%
[Accurate 2520]*	<<locked>>	97%	38043	61%	**52	93%
[Accurate 4064]*	<<locked>>	97%	28718	46%	**69	91%
Alliant AR-Comp	<<locked>>	97%	38421	62%	**85	100%
Alliant Reloder-10x 👍	<<locked>>	97%	48457	78%	**94	100%
Alliant Reloder-7	<<locked>>	94%	55666	89%	**30	100%
Baschieri & Pellagri 106	<<locked>>	97%	53592	86%	**74	99%
[Hodgdon Benchmark]*	<<locked>>	97%	45252	73%	**79	94%
Hodgdon CFE BLK	<<locked>>	94%	55506	89%	**94	96%
Hodgdon H322	<<locked>>	97%	43845	70%	**28	97%
Hodgdon H335	<<locked>>	97%	52301	84%	**69	98%
Hodgdon H4198 👍	<<locked>>	96%	55680	89%	**07	99%
IMR 3031	<<locked>>	97%	33344	53%	**70	95%
IMR 4198 👍	<<locked>>	97%	50807	81%	**74	100%
IMR 4227	<<locked>>	89%	55767	89%	**71	100%
[IMR 8208 XBR]*	<<locked>>	97%	41568	67%	**56	92%
Lovex D060	<<locked>>	83%	55724	89%	**13	100%
Lovex D073.4	<<locked>>	97%	49574	79%	**80	96%
Lovex D073.5	<<locked>>	97%	46514	75%	**54	95%
[Lovex D073.6]*	<<locked>>	97%	35375	57%	**97	92%
Lovex S053	<<locked>>	91%	55869	90%	**44	100%
Norma 200 👍	<<locked>>	97%	55274	89%	**72	100%
[Norma 202]*	<<locked>>	97%	37202	60%	**10	94%
[Ramshot X-Terminator]*	<<locked>>	97%	46615	75%	**05	91%
ReloadSwiss RS 36	<<locked>>	89%	55709	89%	**13	100%
ReloadSwiss RS 40	<<locked>>	97%	47413	76%	**71	96%
Rottweil R 901	<<locked>>	97%	41307	66%	**49	95%
SNPE Vectan BA6 1/2	<<locked>>	94%	56115	90%	**93	100%
SNPE Vectan SP 10	<<locked>>	97%	53185	85%	**79	98%
SNPE Vectan Tubal 3000	<<locked>>	97%	41278	66%	**90	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	97%	33083	53%	**36	94%
Shooters World Buffalo Rifle	<<locked>>	83%	55724	89%	**13	100%
[Shooters World Match Rifle]*	<<locked>>	97%	35375	57%	**97	92%
[Shooters World Tactical Rifle]*	<<locked>>	97%	52475	84%	**87	94%
[Somchem S321]*	<<locked>>	97%	44672	72%	**41	94%
Somchem S335	<<locked>>	97%	39842	64%	**97	96%
Vihtavuori N110	<<locked>>	85%	55796	89%	**66	100%
Vihtavuori N120	<<locked>>	97%	54114	87%	**80	100%
Vihtavuori N130	<<locked>>	97%	45629	73%	**85	99%
Vihtavuori N133	<<locked>>	97%	37347	60%	**44	97%
[Vihtavuori N135]*	<<locked>>	97%	27572	44%	**87	93%
[Vihtavuori N140]*	<<locked>>	97%	35317	57%	**38	94%
[Vihtavuori N530]*	<<locked>>	97%	44106	71%	**18	93%
[Vihtavuori N540]*	<<locked>>	97%	34751	56%	**51	93%
[Winchester 748]*	<<locked>>	97%	43439	70%	**38	94%
[Winchester StaBALL Match]*	<<locked>>	97%	47892	77%	**94	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2205	<<locked>>	81%	51721	83%	**20	100%
ADI AR 2207	<<locked>>	81%	35708	57%	**31	100%
[ADI AR 2219]*	<<locked>>	81%	31589	51%	**69	93%
Accurate 1680	<<locked>>	81%	45934	74%	**75	98%
[Accurate 2015]*	<<locked>>	81%	26687	43%	**31	94%
[Accurate 2230]*	<<locked>>	91%	38464	62%	**80	90%
[Accurate 2460]*	<<locked>>	87%	32735	52%	**82	90%
[Accurate 2495]*	<<locked>>	83%	21654	35%	**75	90%
[Accurate 2520]*	<<locked>>	91%	30443	49%	**82	90%
[Accurate 4064]*	<<locked>>	94%	26455	42%	**06	90%
[Alliant AR-Comp]*	<<locked>>	81%	23699	38%	**85	94%
Alliant Reloder-10x	<<locked>>	81%	29515	47%	**16	96%
Alliant Reloder-7	<<locked>>	81%	37115	60%	**31	99%
[Baschieri & Pellagri 106]*	<<locked>>	81%	32634	52%	**03	94%
[Hodgdon Benchmark]*	<<locked>>	87%	34127	55%	**49	90%
[Hodgdon CFE BLK]*	<<locked>>	81%	37028	59%	**69	90%
[Hodgdon H322]*	<<locked>>	81%	26948	43%	**34	90%
[Hodgdon H335]*	<<locked>>	81%	30763	49%	**46	91%
Hodgdon H4198	<<locked>>	81%	35984	58%	**62	95%
[IMR 3031]*	<<locked>>	88%	25570	41%	**44	90%
IMR 4198	<<locked>>	81%	32256	52%	**29	98%
IMR 4227	<<locked>>	81%	43598	70%	**97	100%
[IMR 8208 XBR]*	<<locked>>	92%	36303	58%	**44	90%
Lovex D060	<<locked>>	81%	51909	83%	**57	100%
[Lovex D073.4]*	<<locked>>	85%	32808	53%	**72	90%
[Lovex D073.5]*	<<locked>>	87%	32735	52%	**82	90%
[Lovex D073.6]*	<<locked>>	93%	30443	49%	**82	90%
Lovex S053	<<locked>>	81%	42598	68%	**61	100%
Norma 200	<<locked>>	81%	33620	54%	**02	98%
[Norma 202]*	<<locked>>	88%	28558	46%	**97	90%
[Ramshot X-Terminator]*	<<locked>>	94%	42699	68%	**36	90%
ReloadSwiss RS 36	<<locked>>	81%	42859	69%	**23	100%
[ReloadSwiss RS 40]*	<<locked>>	84%	31763	51%	**46	90%
[Rottweil R 901]*	<<locked>>	85%	28863	46%	**70	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	39566	63%	**77	100%
[SNPE Vectan SP 10]*	<<locked>>	81%	31444	50%	**62	92%
[SNPE Vectan Tubal 3000]*	<<locked>>	85%	28471	46%	**11	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	90%	26803	43%	**72	90%
Shooters World Buffalo Rifle	<<locked>>	81%	51909	83%	**57	100%
[Shooters World Match Rifle]*	<<locked>>	93%	30443	49%	**82	90%
[Shooters World Tactical Rifle]*	<<locked>>	88%	38101	61%	**41	90%
[Somchem S321]*	<<locked>>	90%	35041	56%	**48	90%
[Somchem S335]*	<<locked>>	83%	26107	42%	**75	90%
Vihtavuori N110	<<locked>>	81%	50082	80%	**97	100%
Vihtavuori N120	<<locked>>	81%	33591	54%	**52	100%
Vihtavuori N130	<<locked>>	81%	28268	45%	**28	95%
[Vihtavuori N133]*	<<locked>>	81%	23641	38%	**93	91%
[Vihtavuori N135]*	<<locked>>	91%	23743	38%	**65	90%
[Vihtavuori N140]*	<<locked>>	89%	28094	45%	**60	90%
[Vihtavuori N530]*	<<locked>>	91%	35984	58%	**51	90%
[Vihtavuori N540]*	<<locked>>	91%	29457	47%	**20	90%
[Winchester 748]*	<<locked>>	90%	34693	56%	**54	90%
[Winchester StaBALL Match]*	<<locked>>	92%	40103	64%	**52	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.

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