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Load data for .458 Win.Mag. + .458 | 300gr | Barnes TSX FN

Recommended Powder(s): ADI AR 2207, Alliant Reloder-7, IMR 4198, Norma 200, ReloadSwiss RS 36

.458 Win.Mag. + .458 | 300gr | Barnes TSX FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Barnes TSX FN
Manufacturer SKU:
30630
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.310" | 7.9mm
Shank Seated Depth:
0.310" | 7.9mm
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_B803_C796
Last updated:
2025-02-02

Load data for 78 loads in caliber .458 Win.Mag. with .458 | 300gr | Barnes TSX FN bullet and 39 powders such as ADI AR 2207, Alliant Reloder-7, IMR 4198, Norma 200, ReloadSwiss RS 36. 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".

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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.

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>>
86%
55825
90%
**23
100%
ADI AR 2207 👍
<<locked>>
97%
52504
84%
**67
100%
ADI AR 2219
<<locked>>
97%
48138
77%
**51
97%
Accurate 1680
<<locked>>
89%
55245
89%
**64
99%
Accurate 2015
<<locked>>
97%
39262
63%
**80
98%
[Accurate 2460]*
<<locked>>
97%
41771
67%
**20
93%
Accurate 2495
<<locked>>
97%
30545
49%
**98
95%
Accurate 5744
<<locked>>
84%
55666
89%
**64
100%
Alliant AR-Comp
<<locked>>
97%
35244
57%
**64
98%
Alliant Reloder-10x
<<locked>>
97%
43424
70%
**69
99%
Alliant Reloder-7 👍
<<locked>>
97%
55738
89%
**80
100%
Baschieri & Pellagri 106
<<locked>>
97%
49313
79%
**62
98%
[Hodgdon Benchmark]*
<<locked>>
97%
41263
66%
**51
92%
Hodgdon CFE BLK
<<locked>>
96%
56072
90%
**38
95%
Hodgdon H322
<<locked>>
97%
39900
64%
**07
95%
Hodgdon H335
<<locked>>
97%
47645
76%
**44
96%
Hodgdon H4198
<<locked>>
97%
53069
85%
**12
98%
[IMR 3031]*
<<locked>>
97%
30240
48%
**36
92%
IMR 4198 👍
<<locked>>
97%
46818
75%
**66
100%
IMR 4227
<<locked>>
92%
56014
90%
**28
100%
Lovex D060
<<locked>>
86%
55883
90%
**64
100%
[Lovex D073.4]*
<<locked>>
97%
44295
71%
**49
93%
[Lovex D073.5]*
<<locked>>
97%
41771
67%
**20
93%
Lovex S053
<<locked>>
93%
55709
89%
**02
100%
Norma 200 👍
<<locked>>
97%
50096
80%
**54
100%
[Norma 202]*
<<locked>>
97%
33591
54%
**85
92%
ReloadSwiss RS 36 👍
<<locked>>
92%
55970
90%
**67
100%
[ReloadSwiss RS 40]*
<<locked>>
97%
43613
70%
**52
94%
[Rottweil R 901]*
<<locked>>
97%
37304
60%
**31
93%
SNPE Vectan BA6 1/2
<<locked>>
96%
55158
88%
**44
100%
SNPE Vectan SP 10
<<locked>>
97%
48559
78%
**57
96%
[SNPE Vectan Tubal 3000]*
<<locked>>
97%
37231
60%
**62
93%
Shooters World Buffalo Rifle
<<locked>>
86%
55883
90%
**64
100%
[Shooters World Tactical Rifle]*
<<locked>>
97%
47384
76%
**52
92%
[Somchem S335]*
<<locked>>
97%
35984
58%
**72
94%
Vihtavuori N110
<<locked>>
87%
55724
89%
**26
100%
Vihtavuori N120
<<locked>>
97%
48805
78%
**69
100%
Vihtavuori N130
<<locked>>
97%
41278
66%
**70
98%
Vihtavuori N133
<<locked>>
97%
34084
55%
**29
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
48689
78%
**31
100%
ADI AR 2207
<<locked>>
81%
32430
52%
**29
99%
[ADI AR 2219]*
<<locked>>
81%
28964
46%
**51
90%
Accurate 1680
<<locked>>
81%
42685
68%
**70
97%
[Accurate 2015]*
<<locked>>
81%
24091
39%
**19
91%
[Accurate 2460]*
<<locked>>
92%
35317
57%
**02
90%
[Accurate 2495]*
<<locked>>
88%
22481
36%
**78
90%
Accurate 5744
<<locked>>
81%
51692
83%
**05
100%
[Alliant AR-Comp]*
<<locked>>
81%
21727
35%
**70
91%
[Alliant Reloder-10x]*
<<locked>>
81%
26789
43%
**11
94%
Alliant Reloder-7
<<locked>>
81%
34069
55%
**20
97%
[Baschieri & Pellagri 106]*
<<locked>>
81%
29994
48%
**95
92%
[Hodgdon Benchmark]*
<<locked>>
93%
36883
59%
**65
90%
[Hodgdon CFE BLK]*
<<locked>>
86%
39537
63%
**72
90%
[Hodgdon H322]*
<<locked>>
86%
28645
46%
**41
90%
[Hodgdon H335]*
<<locked>>
84%
31531
51%
**16
90%
[Hodgdon H4198]*
<<locked>>
81%
33359
53%
**54
92%
[IMR 3031]*
<<locked>>
93%
27282
44%
**51
90%
IMR 4198
<<locked>>
81%
29689
48%
**24
96%
IMR 4227
<<locked>>
81%
40321
65%
**95
100%
Lovex D060
<<locked>>
81%
48544
78%
**56
100%
[Lovex D073.4]*
<<locked>>
91%
36187
58%
**98
90%
[Lovex D073.5]*
<<locked>>
92%
35317
57%
**02
90%
Lovex S053
<<locked>>
81%
39247
63%
**65
100%
Norma 200
<<locked>>
81%
30429
49%
**90
97%
[Norma 202]*
<<locked>>
93%
30618
49%
**06
90%
ReloadSwiss RS 36
<<locked>>
81%
39363
63%
**18
100%
[ReloadSwiss RS 40]*
<<locked>>
89%
34069
55%
**56
90%
[Rottweil R 901]*
<<locked>>
90%
31111
50%
**90
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
36898
59%
**98
100%
[SNPE Vectan SP 10]*
<<locked>>
83%
30937
50%
**06
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
91%
30748
49%
**28
90%
Shooters World Buffalo Rifle
<<locked>>
81%
48544
78%
**56
100%
[Shooters World Tactical Rifle]*
<<locked>>
93%
41539
67%
**54
90%
[Somchem S335]*
<<locked>>
89%
28021
45%
**88
90%
Vihtavuori N110
<<locked>>
81%
46485
75%
**08
100%
Vihtavuori N120
<<locked>>
81%
30647
49%
**57
100%
[Vihtavuori N130]*
<<locked>>
81%
25759
41%
**23
93%
[Vihtavuori N133]*
<<locked>>
85%
24439
39%
**80
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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