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Load data for .338 Norma Mag. + .338 | 300gr | Berger Hybrid Target

Recommended Powder(s): Accurate MAGPRO, IMR 7828 SSC, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560

.338 Norma Mag. + .338 | 300gr | Berger Hybrid Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Berger Hybrid Target
Manufacturer SKU:
33401
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Norma Mag. load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B1137_C451
Last updated:
2026-01-21
Recommended Twist Rate:
1:11 - 1:9

Load data for 134 loads in caliber .338 Norma Mag. with .338 | 300gr | Berger Hybrid Target bullet and 67 powders such as Accurate MAGPRO, IMR 7828 SSC, Ramshot Grand, 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".

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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 2209
<<locked>>
90%
57217
90%
**87
100%
ADI AR 2213
<<locked>>
93%
56898
89%
**30
100%
ADI AR 2217
<<locked>>
97%
47630
75%
**98
99%
[ADI AR 2218]*
<<locked>>
97%
40785
64%
**39
93%
ADI AR 2225
<<locked>>
97%
42801
67%
**75
100%
Accurate 3100
<<locked>>
93%
56869
89%
**34
100%
Accurate 4350
<<locked>>
84%
57232
90%
**34
100%
Accurate MAGPRO 👍
<<locked>>
93%
57377
90%
**49
99%
Alliant Reloder-16
<<locked>>
86%
57276
90%
**70
100%
Alliant Reloder-19
<<locked>>
90%
57174
90%
**84
100%
Alliant Reloder-22
<<locked>>
93%
57014
89%
**16
100%
Alliant Reloder-23
<<locked>>
94%
56753
89%
**64
100%
Alliant Reloder-25
<<locked>>
97%
54056
85%
**97
100%
Alliant Reloder-26
<<locked>>
90%
56913
89%
**39
100%
Alliant Reloder-33
<<locked>>
97%
43642
68%
**02
95%
[Alliant Reloder-50]*
<<locked>>
97%
36405
57%
**70
92%
Baschieri & Pellagri 109
<<locked>>
95%
57363
90%
**87
98%
Bofors RP15
<<locked>>
95%
57087
89%
**23
100%
Bofors RP30
<<locked>>
97%
50009
78%
**57
100%
Bofors RP5
<<locked>>
93%
57014
89%
**16
100%
Bofors RP7
<<locked>>
83%
57217
90%
**08
100%
Hodgdon H1000
<<locked>>
97%
47630
75%
**98
99%
Hodgdon H4350
<<locked>>
88%
57363
90%
**34
100%
Hodgdon H4831
<<locked>>
96%
57377
90%
**80
100%
Hodgdon H4831 SC
<<locked>>
92%
57377
90%
**80
100%
Hodgdon Hybrid 100V
<<locked>>
88%
57319
90%
**98
100%
Hodgdon LVR
<<locked>>
83%
57217
90%
**41
100%
Hodgdon Retumbo
<<locked>>
97%
42801
67%
**75
100%
Hodgdon Superperformance
<<locked>>
83%
57276
90%
**03
100%
IMR 4350
<<locked>>
86%
57188
90%
**25
100%
IMR 4831
<<locked>>
89%
57232
90%
**28
100%
IMR 4955 Enduron
<<locked>>
93%
56898
89%
**41
100%
IMR 7828 SSC 👍
<<locked>>
92%
57232
90%
**43
100%
IMR 7977 Enduron
<<locked>>
97%
55753
87%
**92
95%
IMR 8133 Enduron
<<locked>>
97%
38421
60%
**87
98%
Lovex S065
<<locked>>
84%
57087
89%
**98
100%
Lovex S070
<<locked>>
85%
57217
90%
**25
100%
Lovex S071
<<locked>>
97%
54723
86%
**05
100%
Norma 204
<<locked>>
86%
56855
89%
**67
100%
Norma 217
<<locked>>
97%
38899
61%
**16
99%
Norma MRP
<<locked>>
91%
57290
90%
**39
100%
Norma URP
<<locked>>
85%
56855
89%
**38
100%
Ramshot Grand 👍
<<locked>>
90%
56826
89%
**43
100%
Ramshot Hunter
<<locked>>
86%
57232
90%
**67
100%
Ramshot Magnum
<<locked>>
93%
56666
89%
**03
100%
ReloadSwiss RS 62
<<locked>>
84%
56884
89%
**54
100%
ReloadSwiss RS 70
<<locked>>
85%
57334
90%
**03
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
52968
83%
**59
100%
ReloadSwiss RS 80
<<locked>>
97%
48051
75%
**74
99%
Rottweil R 904
<<locked>>
89%
57043
89%
**48
100%
Rottweil R 905
<<locked>>
90%
56956
89%
**80
100%
Rottweil R 907
<<locked>>
83%
57217
90%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57392
90%
**75
100%
Shooters World Long Rifle
<<locked>>
84%
57087
89%
**98
100%
Somchem S361
<<locked>>
89%
57290
90%
**31
100%
Somchem S365
<<locked>>
87%
56768
89%
**28
100%
Somchem S385
<<locked>>
90%
56985
89%
**44
100%
Vihtavuori N150
<<locked>>
85%
56942
89%
**43
100%
Vihtavuori N165
<<locked>>
95%
57217
90%
**41
100%
[Vihtavuori N170]*
<<locked>>
97%
44672
70%
**93
94%
Vihtavuori N555
<<locked>>
91%
57276
90%
**64
100%
Vihtavuori N560 👍
<<locked>>
93%
57421
90%
**49
100%
Vihtavuori N565
<<locked>>
97%
56188
88%
**16
100%
Vihtavuori N568
<<locked>>
97%
49530
78%
**74
98%
Vihtavuori N570
<<locked>>
97%
46862
73%
**64
96%
Winchester 6.5 StaBALL
<<locked>>
85%
57363
90%
**85
100%
Winchester StaBALL HD
<<locked>>
95%
57000
89%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42699
67%
**74
99%
ADI AR 2213
<<locked>>
81%
38072
60%
**21
97%
[ADI AR 2217]*
<<locked>>
81%
28369
44%
**01
92%
[ADI AR 2218]*
<<locked>>
93%
35418
55%
**24
90%
ADI AR 2225
<<locked>>
81%
25715
40%
**75
95%
Accurate 3100
<<locked>>
81%
38435
60%
**65
100%
Accurate 4350
<<locked>>
81%
51242
80%
**59
100%
Accurate MAGPRO
<<locked>>
81%
37304
58%
**24
95%
Alliant Reloder-16
<<locked>>
81%
48979
77%
**62
100%
Alliant Reloder-19
<<locked>>
81%
42598
67%
**67
99%
Alliant Reloder-22
<<locked>>
81%
38334
60%
**31
98%
Alliant Reloder-23
<<locked>>
81%
37028
58%
**85
100%
Alliant Reloder-25
<<locked>>
81%
32155
50%
**33
99%
Alliant Reloder-26
<<locked>>
81%
40843
64%
**20
100%
[Alliant Reloder-33]*
<<locked>>
88%
32430
51%
**65
90%
[Alliant Reloder-50]*
<<locked>>
94%
33011
52%
**98
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
37768
59%
**59
93%
Bofors RP15
<<locked>>
81%
35650
56%
**78
97%
[Bofors RP30]*
<<locked>>
81%
29414
46%
**67
94%
Bofors RP5
<<locked>>
81%
38334
60%
**31
98%
Bofors RP7
<<locked>>
81%
53330
84%
**62
100%
[Hodgdon H1000]*
<<locked>>
81%
28369
44%
**01
92%
Hodgdon H4350
<<locked>>
81%
46122
72%
**77
100%
Hodgdon H4831
<<locked>>
81%
35723
56%
**33
95%
Hodgdon H4831 SC
<<locked>>
81%
40030
63%
**11
97%
Hodgdon Hybrid 100V
<<locked>>
81%
46050
72%
**57
100%
Hodgdon LVR
<<locked>>
81%
53476
84%
**95
100%
Hodgdon Retumbo
<<locked>>
81%
25715
40%
**75
95%
Hodgdon Superperformance
<<locked>>
81%
52736
83%
**44
100%
IMR 4350
<<locked>>
81%
48689
76%
**10
100%
IMR 4831
<<locked>>
81%
44077
69%
**51
100%
IMR 4955 Enduron
<<locked>>
81%
39900
63%
**78
97%
IMR 7828 SSC
<<locked>>
81%
39001
61%
**51
97%
[IMR 7977 Enduron]*
<<locked>>
87%
40683
64%
**59
90%
[IMR 8133 Enduron]*
<<locked>>
83%
24656
39%
**49
90%
Lovex S065
<<locked>>
81%
52069
82%
**33
100%
Lovex S070
<<locked>>
81%
50488
79%
**33
100%
Lovex S071
<<locked>>
81%
33199
52%
**67
99%
Norma 204
<<locked>>
81%
48718
76%
**49
100%
[Norma 217]*
<<locked>>
81%
23076
36%
**16
92%
Norma MRP
<<locked>>
81%
40205
63%
**90
99%
Norma URP
<<locked>>
81%
49937
78%
**49
100%
Ramshot Grand
<<locked>>
81%
40770
64%
**97
98%
Ramshot Hunter
<<locked>>
81%
48689
76%
**56
100%
Ramshot Magnum
<<locked>>
81%
35346
55%
**78
98%
ReloadSwiss RS 62
<<locked>>
81%
51039
80%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
49356
77%
**08
100%
ReloadSwiss RS 76
<<locked>>
81%
30269
47%
**33
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
27470
43%
**41
90%
Rottweil R 904
<<locked>>
81%
43961
69%
**54
98%
Rottweil R 905
<<locked>>
81%
42163
66%
**60
99%
Rottweil R 907
<<locked>>
81%
53330
84%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51097
80%
**97
100%
Shooters World Long Rifle
<<locked>>
81%
52069
82%
**33
100%
Somchem S361
<<locked>>
81%
44672
70%
**47
98%
Somchem S365
<<locked>>
81%
47282
74%
**13
100%
Somchem S385
<<locked>>
81%
42699
67%
**44
99%
Vihtavuori N150
<<locked>>
81%
49937
78%
**54
100%
Vihtavuori N165
<<locked>>
81%
35897
56%
**16
98%
[Vihtavuori N170]*
<<locked>>
90%
35824
56%
**33
90%
Vihtavuori N555
<<locked>>
81%
41423
65%
**47
100%
Vihtavuori N560
<<locked>>
81%
38522
60%
**51
97%
Vihtavuori N565
<<locked>>
81%
33170
52%
**33
95%
[Vihtavuori N568]*
<<locked>>
81%
28790
45%
**57
90%
[Vihtavuori N570]*
<<locked>>
87%
33156
52%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50676
79%
**10
100%
Winchester StaBALL HD
<<locked>>
81%
33286
52%
**24
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

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