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Load data for .338 Lapua Mag. + .338 | 225gr | Hornady InterLock SP-RP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.338 Lapua Mag. + .338 | 225gr | Hornady InterLock SP-RP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Hornady InterLock SP-RP
Manufacturer SKU:
3320
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.244" | 31.6mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.342" | 8.7mm
Shank Seated Depth:
0.342" | 8.7mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10729_C454
Last updated:
2025-01-01

Load data for 120 loads in caliber .338 Lapua Mag. with .338 | 225gr | Hornady InterLock SP-RP bullet and 60 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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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    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.

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>>
91%
54708
90%
**48
99%
ADI AR 2213
<<locked>>
94%
54781
90%
**84
98%
ADI AR 2217
<<locked>>
97%
43816
72%
**74
96%
ADI AR 2225
<<locked>>
97%
39479
65%
**44
98%
Accurate 3100
<<locked>>
94%
54520
90%
**85
100%
Accurate 4350
<<locked>>
85%
54418
89%
**99
100%
Accurate MAGPRO
<<locked>>
94%
54694
90%
**94
97%
Alliant Reloder-16
<<locked>>
87%
54375
89%
**44
100%
Alliant Reloder-19 👍
<<locked>>
91%
54201
89%
**38
99%
Alliant Reloder-22
<<locked>>
94%
54766
90%
**77
99%
Alliant Reloder-23
<<locked>>
96%
54824
90%
**38
100%
Alliant Reloder-25 👍
<<locked>>
97%
49458
81%
**28
100%
Alliant Reloder-26
<<locked>>
91%
54592
90%
**17
100%
Hodgdon H1000
<<locked>>
97%
43816
72%
**74
96%
Hodgdon H4350
<<locked>>
88%
54404
89%
**79
100%
Hodgdon H4831
<<locked>>
96%
54491
89%
**18
98%
Hodgdon H4831 SC
<<locked>>
93%
54491
89%
**18
98%
Hodgdon Hybrid 100V
<<locked>>
88%
54418
89%
**62
100%
Hodgdon LVR
<<locked>>
84%
54404
89%
**08
100%
Hodgdon Retumbo
<<locked>>
97%
39479
65%
**44
98%
Hodgdon Superperformance
<<locked>>
84%
54665
90%
**58
100%
Hodgdon TrailBoss
<<locked>>
97%
35578
58%
**45
100%
IMR 4350
<<locked>>
87%
54752
90%
**89
100%
IMR 4831
<<locked>>
90%
54433
89%
**92
100%
IMR 4955 Enduron
<<locked>>
93%
54433
89%
**85
98%
IMR 7828 SSC
<<locked>>
93%
54418
89%
**90
98%
[IMR 8133 Enduron]*
<<locked>>
97%
35186
58%
**39
93%
Lovex S065
<<locked>>
85%
54534
90%
**56
100%
Lovex S070
<<locked>>
86%
54346
89%
**79
100%
Lovex S071
<<locked>>
97%
50691
83%
**30
100%
Norma 204
<<locked>>
86%
54230
89%
**18
99%
Norma 217
<<locked>>
97%
35273
58%
**69
96%
Norma MRP 👍
<<locked>>
92%
54418
89%
**97
100%
Norma URP
<<locked>>
86%
54215
89%
**05
100%
Ramshot Hunter
<<locked>>
87%
54346
89%
**25
100%
Ramshot Magnum
<<locked>>
95%
54520
90%
**58
100%
ReloadSwiss RS 14
<<locked>>
97%
36347
60%
**88
100%
ReloadSwiss RS 60
<<locked>>
83%
54346
89%
**61
100%
ReloadSwiss RS 62
<<locked>>
85%
54694
90%
**22
100%
ReloadSwiss RS 70
<<locked>>
86%
54491
89%
**77
100%
ReloadSwiss RS 76
<<locked>>
97%
48385
79%
**67
100%
ReloadSwiss RS 80
<<locked>>
97%
43569
72%
**43
95%
Rottweil R 904
<<locked>>
90%
54418
89%
**89
98%
Rottweil R 905 👍
<<locked>>
91%
54331
89%
**28
99%
Rottweil R 907
<<locked>>
84%
54302
89%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
54650
90%
**26
100%
Shooters World Long Rifle
<<locked>>
85%
54534
90%
**56
100%
Somchem S361
<<locked>>
89%
54331
89%
**56
98%
Somchem S365
<<locked>>
88%
54650
90%
**12
100%
Somchem S385
<<locked>>
91%
54650
90%
**99
100%
Vihtavuori N150
<<locked>>
86%
54404
89%
**07
100%
Vihtavuori N160
<<locked>>
84%
54665
90%
**72
100%
Vihtavuori N165
<<locked>>
96%
54665
90%
**89
99%
Vihtavuori N550
<<locked>>
83%
54520
89%
**08
100%
Vihtavuori N555
<<locked>>
92%
54302
89%
**28
100%
Vihtavuori N560
<<locked>>
94%
54737
90%
**00
98%
Vihtavuori N565
<<locked>>
97%
52054
85%
**41
98%
Vihtavuori N568
<<locked>>
97%
45223
74%
**53
95%
Winchester 6.5 StaBALL
<<locked>>
85%
54636
90%
**49
100%
Winchester StaBALL HD
<<locked>>
97%
54491
89%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39421
65%
**62
96%
[ADI AR 2213]*
<<locked>>
81%
35186
58%
**84
92%
[ADI AR 2217]*
<<locked>>
87%
31676
52%
**82
90%
[ADI AR 2225]*
<<locked>>
84%
26426
43%
**70
90%
Accurate 3100
<<locked>>
81%
35244
58%
**38
97%
Accurate 4350
<<locked>>
81%
47311
78%
**90
100%
[Accurate MAGPRO]*
<<locked>>
82%
35636
58%
**16
90%
Alliant Reloder-16
<<locked>>
81%
45310
74%
**94
100%
Alliant Reloder-19
<<locked>>
81%
39436
65%
**56
96%
[Alliant Reloder-22]*
<<locked>>
81%
35085
58%
**00
94%
Alliant Reloder-23
<<locked>>
81%
33779
55%
**64
100%
Alliant Reloder-25
<<locked>>
81%
29298
48%
**65
95%
Alliant Reloder-26
<<locked>>
81%
37072
61%
**95
99%
[Hodgdon H1000]*
<<locked>>
87%
31676
52%
**82
90%
Hodgdon H4350
<<locked>>
81%
43134
71%
**82
98%
[Hodgdon H4831]*
<<locked>>
81%
33156
54%
**88
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36985
61%
**87
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42569
70%
**79
100%
Hodgdon LVR
<<locked>>
81%
49661
82%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
84%
26426
43%
**70
90%
Hodgdon Superperformance
<<locked>>
81%
48660
80%
**62
99%
Hodgdon TrailBoss
<<locked>>
86%
30284
50%
**40
100%
IMR 4350
<<locked>>
81%
45165
74%
**25
98%
IMR 4831
<<locked>>
81%
40698
67%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37115
61%
**61
93%
[IMR 7828 SSC]*
<<locked>>
81%
35868
59%
**16
93%
[IMR 8133 Enduron]*
<<locked>>
93%
30763
51%
**15
90%
Lovex S065
<<locked>>
81%
48936
80%
**71
100%
Lovex S070
<<locked>>
81%
47239
78%
**61
99%
Lovex S071
<<locked>>
81%
30211
50%
**16
95%
Norma 204
<<locked>>
81%
45411
75%
**61
97%
[Norma 217]*
<<locked>>
89%
26948
44%
**20
90%
Norma MRP
<<locked>>
81%
36564
60%
**66
97%
Norma URP
<<locked>>
81%
46412
76%
**80
100%
Ramshot Hunter
<<locked>>
81%
45295
74%
**77
99%
[Ramshot Magnum]*
<<locked>>
81%
32460
53%
**21
94%
ReloadSwiss RS 14
<<locked>>
82%
29399
48%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
50459
83%
**99
100%
ReloadSwiss RS 62
<<locked>>
81%
47239
78%
**13
100%
ReloadSwiss RS 70
<<locked>>
81%
45440
75%
**33
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27760
46%
**39
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
34185
56%
**20
90%
Rottweil R 904
<<locked>>
81%
40799
67%
**46
95%
Rottweil R 905
<<locked>>
81%
38696
64%
**49
96%
Rottweil R 907
<<locked>>
81%
50067
82%
**97
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47790
78%
**15
99%
Shooters World Long Rifle
<<locked>>
81%
48936
80%
**71
100%
[Somchem S361]*
<<locked>>
81%
41568
68%
**33
94%
Somchem S365
<<locked>>
81%
43120
71%
**35
100%
Somchem S385
<<locked>>
81%
39465
65%
**33
97%
Vihtavuori N150
<<locked>>
81%
46615
77%
**95
100%
Vihtavuori N160
<<locked>>
81%
49908
82%
**03
100%
[Vihtavuori N165]*
<<locked>>
81%
33185
54%
**79
94%
Vihtavuori N550
<<locked>>
81%
50285
83%
**43
100%
Vihtavuori N555
<<locked>>
81%
37956
62%
**46
100%
[Vihtavuori N560]*
<<locked>>
81%
35186
58%
**13
92%
[Vihtavuori N565]*
<<locked>>
82%
31386
52%
**98
90%
[Vihtavuori N568]*
<<locked>>
90%
35244
58%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46862
77%
**31
100%
Winchester StaBALL HD
<<locked>>
81%
29370
48%
**77
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.

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