top of page

Load data for .300 Norma Mag + .308 | 225gr | Hornady BTHP

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565

.300 Norma Mag + .308 | 225gr | Hornady BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 225gr | Hornady BTHP
Manufacturer SKU:
30903
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.555" | 39.5mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.420" | 10.7mm
Shank Seated Depth:
0.260" | 6.6mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2715_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 94 loads in caliber .300 Norma Mag with .308 | 225gr | Hornady BTHP bullet and 47 powders such as ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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 2209
<<locked>>
86%
57435
90%
**23
100%
ADI AR 2213
<<locked>>
89%
57101
89%
**59
100%
ADI AR 2217 👍
<<locked>>
97%
55956
88%
**49
100%
ADI AR 2218
<<locked>>
97%
48501
76%
**26
97%
ADI AR 2225
<<locked>>
97%
50908
80%
**13
100%
Accurate 3100
<<locked>>
88%
56797
89%
**51
100%
[Accurate 8700]*
<<locked>>
97%
38392
60%
**41
92%
Accurate MAGPRO
<<locked>>
88%
56898
89%
**69
99%
Alliant Reloder-19
<<locked>>
86%
56956
89%
**17
100%
Alliant Reloder-22
<<locked>>
89%
57406
90%
**53
100%
Alliant Reloder-23
<<locked>>
90%
57421
90%
**84
100%
Alliant Reloder-25
<<locked>>
94%
57348
90%
**59
100%
Alliant Reloder-26
<<locked>>
85%
57246
90%
**66
100%
Alliant Reloder-33
<<locked>>
97%
53664
84%
**79
98%
Alliant Reloder-50
<<locked>>
97%
45179
71%
**35
95%
Hodgdon H1000 👍
<<locked>>
97%
55956
88%
**49
100%
Hodgdon H4350
<<locked>>
84%
56985
89%
**57
100%
Hodgdon H4831
<<locked>>
91%
57014
89%
**10
100%
Hodgdon H4831 SC
<<locked>>
88%
57014
89%
**10
100%
Hodgdon Hybrid 100V
<<locked>>
84%
57276
90%
**21
100%
Hodgdon Retumbo
<<locked>>
97%
50908
80%
**13
100%
IMR 4831
<<locked>>
85%
56927
89%
**48
100%
IMR 4955 Enduron
<<locked>>
89%
57276
90%
**80
100%
IMR 7828 SSC
<<locked>>
87%
57261
90%
**72
100%
IMR 7977 Enduron
<<locked>>
94%
57101
89%
**51
95%
IMR 8133 Enduron
<<locked>>
97%
46514
73%
**35
99%
[Lovex D100]*
<<locked>>
97%
55303
87%
**67
94%
Lovex S071
<<locked>>
93%
56797
89%
**51
100%
Norma 217
<<locked>>
97%
47601
75%
**61
100%
Norma MRP
<<locked>>
86%
57116
90%
**66
100%
Ramshot Magnum
<<locked>>
89%
57188
90%
**36
100%
ReloadSwiss RS 14
<<locked>>
97%
37275
58%
**96
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57159
90%
**35
100%
ReloadSwiss RS 80 👍
<<locked>>
96%
57145
90%
**25
100%
Rottweil R 904
<<locked>>
86%
57348
90%
**84
100%
Rottweil R 905
<<locked>>
86%
57392
90%
**13
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40509
63%
**70
93%
Somchem S361
<<locked>>
85%
56956
89%
**57
100%
Somchem S385
<<locked>>
86%
56884
89%
**74
100%
Vihtavuori N165
<<locked>>
91%
56826
89%
**67
100%
Vihtavuori N170
<<locked>>
97%
51880
81%
**28
96%
Vihtavuori N555
<<locked>>
86%
57188
90%
**80
100%
Vihtavuori N560
<<locked>>
88%
57000
89%
**72
100%
Vihtavuori N565 👍
<<locked>>
92%
57145
90%
**59
100%
Vihtavuori N568
<<locked>>
96%
57130
90%
**12
99%
Vihtavuori N570
<<locked>>
97%
57217
90%
**41
98%
Winchester StaBALL HD
<<locked>>
90%
57406
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48907
77%
**89
100%
ADI AR 2213
<<locked>>
81%
44048
69%
**46
99%
ADI AR 2217
<<locked>>
81%
32808
51%
**00
95%
[ADI AR 2218]*
<<locked>>
87%
34345
54%
**95
90%
ADI AR 2225
<<locked>>
81%
29965
47%
**77
97%
Accurate 3100
<<locked>>
81%
44701
70%
**74
100%
[Accurate 8700]*
<<locked>>
94%
34345
54%
**52
90%
Accurate MAGPRO
<<locked>>
81%
43845
69%
**52
97%
Alliant Reloder-19
<<locked>>
81%
48762
76%
**89
100%
Alliant Reloder-22
<<locked>>
81%
44715
70%
**52
99%
Alliant Reloder-23
<<locked>>
81%
43453
68%
**84
100%
Alliant Reloder-25
<<locked>>
81%
37492
59%
**38
100%
Alliant Reloder-26
<<locked>>
81%
49139
77%
**51
100%
[Alliant Reloder-33]*
<<locked>>
83%
32401
51%
**46
90%
[Alliant Reloder-50]*
<<locked>>
89%
33605
53%
**72
90%
Hodgdon H1000
<<locked>>
81%
32808
51%
**00
95%
Hodgdon H4350
<<locked>>
81%
52185
82%
**89
100%
Hodgdon H4831
<<locked>>
81%
41336
65%
**44
97%
Hodgdon H4831 SC
<<locked>>
81%
45905
72%
**26
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52997
83%
**69
100%
Hodgdon Retumbo
<<locked>>
81%
29965
47%
**77
97%
IMR 4831
<<locked>>
81%
50314
79%
**59
100%
IMR 4955 Enduron
<<locked>>
81%
44947
70%
**84
98%
IMR 7828 SSC
<<locked>>
81%
45643
72%
**85
99%
[IMR 7977 Enduron]*
<<locked>>
82%
39842
62%
**49
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27543
43%
**98
92%
[Lovex D100]*
<<locked>>
90%
43961
69%
**77
90%
Lovex S071
<<locked>>
81%
38450
60%
**59
100%
Norma 217
<<locked>>
81%
27615
43%
**21
95%
Norma MRP
<<locked>>
81%
47369
74%
**15
100%
Ramshot Magnum
<<locked>>
81%
42163
66%
**03
100%
ReloadSwiss RS 14
<<locked>>
91%
34301
54%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
35824
56%
**54
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
32547
51%
**52
93%
Rottweil R 904
<<locked>>
81%
49545
78%
**66
99%
Rottweil R 905
<<locked>>
81%
48341
76%
**79
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
34476
54%
**39
90%
Somchem S361
<<locked>>
81%
50517
79%
**59
99%
Somchem S385
<<locked>>
81%
48863
77%
**59
100%
Vihtavuori N165
<<locked>>
81%
41539
65%
**21
99%
[Vihtavuori N170]*
<<locked>>
85%
35259
55%
**03
90%
Vihtavuori N555
<<locked>>
81%
48254
76%
**59
100%
Vihtavuori N560
<<locked>>
81%
44831
70%
**69
98%
Vihtavuori N565
<<locked>>
81%
39233
61%
**48
97%
[Vihtavuori N568]*
<<locked>>
81%
34127
53%
**72
94%
[Vihtavuori N570]*
<<locked>>
82%
33243
52%
**69
90%
Winchester StaBALL HD
<<locked>>
81%
41495
65%
**46
100%

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

bottom of page