top of page

Load data for .338 Norma Mag. + .338 | 300gr | Hornady HPBT

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.338 Norma Mag. + .338 | 300gr | Hornady HPBT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Hornady HPBT
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.717" | 43.6mm
Caliber:
.338 Norma Mag. load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.581" | 14.8mm
Shank Seated Depth:
0.341" | 8.7mm
Case Capacity:
105.4 Grains of Water | 6.84 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12029_C451
Last updated:
2025-12-31
Recommended Twist Rate:
1:12 - 1:10

Load data for 124 loads in caliber .338 Norma Mag. with .338 | 300gr | Hornady HPBT bullet and 62 powders such as ADI AR 2213, Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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>>
89%
57000
89%
**87
100%
ADI AR 2213 👍
<<locked>>
92%
57000
89%
**36
100%
ADI AR 2217
<<locked>>
97%
48341
76%
**15
99%
[ADI AR 2218]*
<<locked>>
97%
41771
65%
**72
94%
ADI AR 2225
<<locked>>
97%
43439
68%
**85
100%
Accurate 3100
<<locked>>
92%
56898
89%
**38
100%
Accurate 4350
<<locked>>
84%
57043
89%
**38
100%
Accurate MAGPRO 👍
<<locked>>
92%
56768
89%
**43
99%
Alliant Reloder-16
<<locked>>
85%
57000
89%
**74
100%
Alliant Reloder-19
<<locked>>
90%
57261
90%
**93
100%
Alliant Reloder-22
<<locked>>
92%
57435
90%
**26
100%
Alliant Reloder-23
<<locked>>
94%
57000
89%
**70
100%
Alliant Reloder-25
<<locked>>
97%
55303
87%
**13
100%
Alliant Reloder-26
<<locked>>
89%
56637
89%
**39
100%
Alliant Reloder-33
<<locked>>
97%
45078
71%
**31
96%
[Alliant Reloder-50]*
<<locked>>
97%
37405
59%
**93
93%
Bofors RP15
<<locked>>
95%
57188
90%
**30
100%
Bofors RP30
<<locked>>
97%
51488
81%
**87
100%
Bofors RP5
<<locked>>
92%
57435
90%
**26
100%
Hodgdon H1000
<<locked>>
97%
48341
76%
**15
99%
Hodgdon H4350
<<locked>>
87%
57058
89%
**31
100%
Hodgdon H4831
<<locked>>
95%
56797
89%
**77
100%
Hodgdon H4831 SC
<<locked>>
91%
56797
89%
**77
100%
Hodgdon Hybrid 100V
<<locked>>
87%
57043
89%
**02
100%
Hodgdon Retumbo
<<locked>>
97%
43439
68%
**85
100%
IMR 4350
<<locked>>
86%
57072
89%
**31
100%
IMR 4831
<<locked>>
89%
56782
89%
**21
100%
IMR 4955 Enduron
<<locked>>
92%
56855
89%
**48
100%
IMR 7828 SSC 👍
<<locked>>
91%
57348
90%
**49
100%
IMR 7977 Enduron
<<locked>>
97%
56246
88%
**08
95%
IMR 8133 Enduron
<<locked>>
97%
39595
62%
**13
98%
Lovex S065
<<locked>>
84%
57377
90%
**05
100%
Lovex S070
<<locked>>
84%
56913
89%
**21
100%
Lovex S071
<<locked>>
97%
55912
88%
**25
100%
Norma 204
<<locked>>
85%
57116
89%
**70
100%
Norma 217
<<locked>>
97%
39668
62%
**33
100%
Norma MRP
<<locked>>
90%
56855
89%
**43
100%
Norma URP
<<locked>>
85%
57290
90%
**48
100%
Ramshot Grand
<<locked>>
89%
56869
89%
**46
100%
Ramshot Hunter
<<locked>>
85%
56739
89%
**67
100%
Ramshot Magnum
<<locked>>
93%
56971
89%
**13
100%
ReloadSwiss RS 62
<<locked>>
84%
57058
89%
**61
100%
ReloadSwiss RS 70
<<locked>>
84%
56797
89%
**07
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
54230
85%
**82
100%
ReloadSwiss RS 80
<<locked>>
97%
49748
78%
**00
99%
Rottweil R 904
<<locked>>
89%
56840
89%
**51
100%
Rottweil R 905
<<locked>>
90%
57000
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
56956
89%
**79
100%
Shooters World Long Rifle
<<locked>>
84%
57377
90%
**05
100%
Somchem S361
<<locked>>
88%
57276
90%
**38
100%
Somchem S365
<<locked>>
86%
57421
90%
**38
100%
Somchem S385
<<locked>>
90%
57130
90%
**54
100%
Vihtavuori N150
<<locked>>
85%
56942
89%
**49
100%
Vihtavuori N165
<<locked>>
95%
57246
90%
**48
100%
[Vihtavuori N170]*
<<locked>>
97%
45324
71%
**10
94%
Vihtavuori N555
<<locked>>
90%
57000
89%
**64
100%
Vihtavuori N560 👍
<<locked>>
92%
56710
89%
**49
100%
Vihtavuori N565
<<locked>>
96%
56768
89%
**36
100%
Vihtavuori N568
<<locked>>
97%
50850
80%
**00
99%
Vihtavuori N570
<<locked>>
97%
48689
76%
**97
97%
Winchester 6.5 StaBALL
<<locked>>
84%
57014
89%
**88
100%
Winchester StaBALL HD
<<locked>>
94%
56782
89%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43468
68%
**93
99%
ADI AR 2213
<<locked>>
81%
38870
61%
**44
97%
[ADI AR 2217]*
<<locked>>
81%
28935
45%
**21
93%
[ADI AR 2218]*
<<locked>>
92%
35099
55%
**21
90%
ADI AR 2225
<<locked>>
81%
26310
41%
**95
95%
Accurate 3100
<<locked>>
81%
39349
62%
**88
100%
Accurate 4350
<<locked>>
81%
52359
82%
**79
100%
Accurate MAGPRO
<<locked>>
81%
38058
60%
**41
95%
Alliant Reloder-16
<<locked>>
81%
50024
78%
**82
100%
Alliant Reloder-19
<<locked>>
81%
43497
68%
**90
99%
Alliant Reloder-22
<<locked>>
81%
39218
61%
**47
98%
Alliant Reloder-23
<<locked>>
81%
37942
59%
**01
100%
Alliant Reloder-25
<<locked>>
81%
32706
51%
**46
99%
Alliant Reloder-26
<<locked>>
81%
42177
66%
**43
100%
[Alliant Reloder-33]*
<<locked>>
87%
32010
50%
**59
90%
[Alliant Reloder-50]*
<<locked>>
93%
32735
51%
**95
90%
Bofors RP15
<<locked>>
81%
36550
57%
**95
98%
Bofors RP30
<<locked>>
81%
30095
47%
**87
95%
Bofors RP5
<<locked>>
81%
39218
61%
**47
98%
[Hodgdon H1000]*
<<locked>>
81%
28935
45%
**21
93%
Hodgdon H4350
<<locked>>
81%
47065
74%
**93
100%
Hodgdon H4831
<<locked>>
81%
36593
57%
**52
96%
Hodgdon H4831 SC
<<locked>>
81%
40872
64%
**34
97%
Hodgdon Hybrid 100V
<<locked>>
81%
47137
74%
**77
100%
Hodgdon Retumbo
<<locked>>
81%
26310
41%
**95
95%
IMR 4350
<<locked>>
81%
49226
77%
**26
100%
IMR 4831
<<locked>>
81%
45165
71%
**67
100%
IMR 4955 Enduron
<<locked>>
81%
40393
63%
**95
97%
IMR 7828 SSC
<<locked>>
81%
39813
62%
**70
98%
[IMR 7977 Enduron]*
<<locked>>
86%
40277
63%
**59
90%
[IMR 8133 Enduron]*
<<locked>>
82%
24671
39%
**49
90%
Lovex S065
<<locked>>
81%
53069
83%
**52
100%
Lovex S070
<<locked>>
81%
51358
80%
**52
100%
Lovex S071
<<locked>>
81%
33794
53%
**83
99%
Norma 204
<<locked>>
81%
49588
78%
**69
100%
[Norma 217]*
<<locked>>
81%
23728
37%
**42
93%
Norma MRP
<<locked>>
81%
41089
64%
**10
100%
Norma URP
<<locked>>
81%
50995
80%
**69
100%
Ramshot Grand
<<locked>>
81%
41655
65%
**16
98%
Ramshot Hunter
<<locked>>
81%
49603
78%
**75
100%
Ramshot Magnum
<<locked>>
81%
36361
57%
**01
99%
ReloadSwiss RS 62
<<locked>>
81%
52243
82%
**02
100%
ReloadSwiss RS 70
<<locked>>
81%
50415
79%
**25
100%
ReloadSwiss RS 76
<<locked>>
81%
30821
48%
**52
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
27920
44%
**54
91%
Rottweil R 904
<<locked>>
81%
44585
70%
**67
99%
Rottweil R 905
<<locked>>
81%
42844
67%
**74
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
52112
82%
**16
100%
Shooters World Long Rifle
<<locked>>
81%
53069
83%
**52
100%
Somchem S361
<<locked>>
81%
45339
71%
**64
98%
Somchem S365
<<locked>>
81%
48066
75%
**23
100%
Somchem S385
<<locked>>
81%
43468
68%
**64
100%
Vihtavuori N150
<<locked>>
81%
50633
79%
**74
100%
Vihtavuori N165
<<locked>>
81%
36738
58%
**36
98%
[Vihtavuori N170]*
<<locked>>
89%
35186
55%
**19
90%
Vihtavuori N555
<<locked>>
81%
42482
67%
**64
100%
Vihtavuori N560
<<locked>>
81%
39392
62%
**74
97%
Vihtavuori N565
<<locked>>
81%
33953
53%
**49
95%
[Vihtavuori N568]*
<<locked>>
81%
29385
46%
**80
91%
[Vihtavuori N570]*
<<locked>>
86%
33011
52%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51416
81%
**20
100%
Winchester StaBALL HD
<<locked>>
81%
34243
54%
**44
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