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Load data for .458 Win.Mag. + .458 | 250gr | Barnes TSX FN

Recommended Powder(s): ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4227, ReloadSwiss RS 36

.458 Win.Mag. + .458 | 250gr | Barnes TSX FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 250gr | Barnes TSX FN
Manufacturer SKU:
30629
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.892" | 22.7mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.270" | 83.1mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B801_C796
Last updated:
2025-01-01

Load data for 64 loads in caliber .458 Win.Mag. with .458 | 250gr | Barnes TSX FN bullet and 32 powders such as ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4227, 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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  • 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.

    .

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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>>
87%
55956
90%
**22
100%
ADI AR 2207 👍
<<locked>>
97%
49937
80%
**33
100%
ADI AR 2219
<<locked>>
97%
45585
73%
**77
95%
Accurate 1680 👍
<<locked>>
91%
55434
89%
**56
98%
Accurate 2015
<<locked>>
97%
36927
59%
**94
95%
Accurate 5744
<<locked>>
85%
55941
90%
**69
100%
Accurate No. 11 FS
<<locked>>
83%
55608
89%
**00
100%
Alliant AR-Comp
<<locked>>
97%
32895
53%
**51
96%
Alliant Reloder-10x
<<locked>>
97%
41249
66%
**99
97%
Alliant Reloder-7 👍
<<locked>>
97%
52330
84%
**23
99%
Baschieri & Pellagri 106
<<locked>>
97%
47065
75%
**89
96%
[Hodgdon CFE BLK]*
<<locked>>
97%
54244
87%
**81
92%
[Hodgdon H322]*
<<locked>>
97%
37724
60%
**10
92%
[Hodgdon H335]*
<<locked>>
97%
44860
72%
**61
93%
Hodgdon H4198
<<locked>>
97%
50850
82%
**58
96%
Hodgdon TrailBoss
<<locked>>
97%
28906
46%
**26
100%
IMR 4198
<<locked>>
97%
44135
71%
**02
99%
IMR 4227 👍
<<locked>>
94%
55956
90%
**30
100%
Lovex D060
<<locked>>
87%
55535
89%
**59
100%
Lovex D063
<<locked>>
83%
55753
89%
**40
100%
Lovex S053
<<locked>>
95%
55680
89%
**10
100%
Norma 200
<<locked>>
97%
46311
74%
**84
99%
ReloadSwiss RS 14
<<locked>>
96%
28181
45%
**59
100%
ReloadSwiss RS 36 👍
<<locked>>
94%
55767
89%
**66
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
53461
86%
**13
100%
[SNPE Vectan SP 10]*
<<locked>>
97%
45397
73%
**77
94%
Shooters World Blackout
<<locked>>
83%
55753
89%
**40
100%
Shooters World Buffalo Rifle
<<locked>>
87%
55535
89%
**59
100%
Vihtavuori N110
<<locked>>
89%
56086
90%
**35
100%
Vihtavuori N120
<<locked>>
97%
46195
74%
**22
100%
Vihtavuori N130
<<locked>>
97%
39044
63%
**90
97%
[Vihtavuori N133]*
<<locked>>
97%
32198
52%
**23
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
46543
75%
**80
100%
ADI AR 2207
<<locked>>
81%
30371
49%
**36
98%
[ADI AR 2219]*
<<locked>>
87%
32866
53%
**89
90%
Accurate 1680
<<locked>>
81%
40205
64%
**94
95%
[Accurate 2015]*
<<locked>>
86%
25788
41%
**98
90%
Accurate 5744
<<locked>>
81%
49298
79%
**58
99%
Accurate No. 11 FS
<<locked>>
81%
51140
82%
**41
100%
[Alliant AR-Comp]*
<<locked>>
86%
24207
39%
**69
90%
[Alliant Reloder-10x]*
<<locked>>
81%
25063
40%
**92
91%
Alliant Reloder-7
<<locked>>
81%
32184
52%
**26
95%
[Baschieri & Pellagri 106]*
<<locked>>
83%
30327
49%
**31
90%
[Hodgdon CFE BLK]*
<<locked>>
92%
45803
73%
**36
90%
[Hodgdon H322]*
<<locked>>
92%
32996
53%
**89
90%
[Hodgdon H335]*
<<locked>>
91%
36332
58%
**74
90%
[Hodgdon H4198]*
<<locked>>
82%
32924
53%
**80
90%
Hodgdon TrailBoss
<<locked>>
88%
25237
40%
**44
100%
[IMR 4198]*
<<locked>>
81%
28137
45%
**11
93%
IMR 4227
<<locked>>
81%
38319
61%
**28
99%
Lovex D060
<<locked>>
81%
46630
75%
**05
99%
Lovex D063
<<locked>>
81%
51938
83%
**81
100%
Lovex S053
<<locked>>
81%
37159
60%
**98
100%
[Norma 200]*
<<locked>>
81%
28340
45%
**77
94%
ReloadSwiss RS 14
<<locked>>
84%
23424
38%
**44
100%
ReloadSwiss RS 36
<<locked>>
81%
37217
60%
**41
98%
SNPE Vectan BA6 1/2
<<locked>>
81%
34983
56%
**31
100%
[SNPE Vectan SP 10]*
<<locked>>
90%
36042
58%
**77
90%
Shooters World Blackout
<<locked>>
81%
51938
83%
**81
100%
Shooters World Buffalo Rifle
<<locked>>
81%
46630
75%
**05
99%
Vihtavuori N110
<<locked>>
81%
43990
71%
**67
100%
Vihtavuori N120
<<locked>>
81%
28543
46%
**54
98%
[Vihtavuori N130]*
<<locked>>
81%
24613
39%
**13
90%
[Vihtavuori N133]*
<<locked>>
92%
27775
45%
**05
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.

<<locked>>... you need to buy an access license to unlock the data

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