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Load data for .45 Blaser + .458 | 300gr | Remington HP

Recommended Powder(s): ADI AR 2207, Alliant Reloder-7, IMR 4227, Norma 200, ReloadSwiss RS 36

.45 Blaser + .458 | 300gr | Remington HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Remington HP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.825" | 21.0mm
Caliber:
.45 Blaser load data
Case Length (l3):
2.146" | 54.5mm
Cartridge Length (C.O.L.):
2.657" | 67.5mm
Seated Depth:
0.314" | 8.0mm
Shank Seated Depth:
0.314" | 8.0mm
Case Capacity:
84.0 Grains of Water | 5.45 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
53664 psi | 3700 bar
LID:
LID_B5208_C728
Last updated:
2025-01-01

Load data for 48 loads in caliber .45 Blaser with .458 | 300gr | Remington HP bullet and 24 powders such as ADI AR 2207, Alliant Reloder-7, IMR 4227, 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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  • 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>>
84%
48240
90%
**56
100%
ADI AR 2207 👍
<<locked>>
97%
45049
84%
**93
100%
[ADI AR 2219]*
<<locked>>
97%
41800
78%
**48
94%
Accurate 1680
<<locked>>
89%
47950
89%
**77
97%
[Accurate 2015]*
<<locked>>
97%
32808
61%
**83
94%
Alliant AR-Comp
<<locked>>
97%
29950
56%
**47
95%
Alliant Reloder-10x
<<locked>>
97%
36709
68%
**72
97%
Alliant Reloder-7 👍
<<locked>>
97%
47761
89%
**93
99%
Baschieri & Pellagri 106
<<locked>>
97%
42627
79%
**72
95%
[Hodgdon H335]*
<<locked>>
97%
40654
76%
**28
92%
Hodgdon H4198
<<locked>>
97%
46514
87%
**21
95%
IMR 4198
<<locked>>
97%
41075
77%
**88
98%
IMR 4227 👍
<<locked>>
91%
47659
89%
**38
100%
Lovex D060
<<locked>>
84%
48080
90%
**61
99%
Lovex S053
<<locked>>
92%
47572
89%
**28
100%
Norma 200 👍
<<locked>>
97%
42221
79%
**61
99%
ReloadSwiss RS 36 👍
<<locked>>
92%
47921
89%
**84
100%
SNPE Vectan BA6 1/2
<<locked>>
95%
48167
90%
**00
100%
[SNPE Vectan SP 10]*
<<locked>>
97%
41495
77%
**51
93%
Shooters World Buffalo Rifle
<<locked>>
84%
48080
90%
**61
99%
Vihtavuori N110
<<locked>>
86%
47616
89%
**62
100%
Vihtavuori N120
<<locked>>
97%
42264
79%
**08
100%
Vihtavuori N130
<<locked>>
97%
35520
66%
**87
96%
[Vihtavuori N133]*
<<locked>>
97%
29660
55%
**49
91%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
43526
81%
**83
100%
ADI AR 2207
<<locked>>
81%
27833
52%
**62
98%
[ADI AR 2219]*
<<locked>>
89%
32793
61%
**57
90%
[Accurate 1680]*
<<locked>>
81%
37086
69%
**87
94%
[Accurate 2015]*
<<locked>>
88%
25222
47%
**93
90%
[Alliant AR-Comp]*
<<locked>>
88%
23482
44%
**54
90%
[Alliant Reloder-10x]*
<<locked>>
82%
23424
44%
**47
90%
Alliant Reloder-7
<<locked>>
81%
29602
55%
**52
95%
[Baschieri & Pellagri 106]*
<<locked>>
85%
29892
56%
**16
90%
[Hodgdon H335]*
<<locked>>
93%
36201
67%
**39
90%
[Hodgdon H4198]*
<<locked>>
84%
32155
60%
**49
90%
[IMR 4198]*
<<locked>>
81%
26411
49%
**60
93%
IMR 4227
<<locked>>
81%
35781
67%
**34
98%
Lovex D060
<<locked>>
81%
43845
82%
**95
99%
Lovex S053
<<locked>>
81%
34737
65%
**18
100%
[Norma 200]*
<<locked>>
81%
25875
48%
**10
93%
ReloadSwiss RS 36
<<locked>>
81%
34360
64%
**54
98%
SNPE Vectan BA6 1/2
<<locked>>
81%
32764
61%
**73
100%
[SNPE Vectan SP 10]*
<<locked>>
92%
35143
65%
**23
90%
Shooters World Buffalo Rifle
<<locked>>
81%
43845
82%
**95
99%
Vihtavuori N110
<<locked>>
81%
41031
76%
**74
100%
Vihtavuori N120
<<locked>>
81%
26266
49%
**87
98%
[Vihtavuori N130]*
<<locked>>
84%
24047
45%
**11
90%
[Vihtavuori N133]*
<<locked>>
94%
27644
52%
**00
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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