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

Recommended Powder(s): Alliant Reloder-15, Baschieri & Pellagri 107, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52

.338 RCM + .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 RCM load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.447" | 11.3mm
Shank Seated Depth:
0.447" | 11.3mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10729_C458
Last updated:
2025-01-01

Load data for 196 loads in caliber .338 RCM with .338 | 225gr | Hornady InterLock SP-RP bullet and 98 powders such as Alliant Reloder-15, Baschieri & Pellagri 107, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52. 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 2206H
<<locked>>
92%
55680
89%
**72
100%
ADI AR 2208
<<locked>>
97%
54418
87%
**36
99%
ADI AR 2219
<<locked>>
83%
55434
89%
**26
100%
Accurate 2015
<<locked>>
88%
55274
89%
**70
100%
Accurate 2200
<<locked>>
90%
55724
89%
**33
99%
Accurate 2230
<<locked>>
86%
55883
90%
**30
100%
Accurate 2460
<<locked>>
86%
55521
89%
**30
100%
Accurate 2495
<<locked>>
92%
55753
89%
**43
100%
Accurate 2520
<<locked>>
90%
55376
89%
**59
100%
Accurate 2700
<<locked>>
97%
53113
85%
**57
95%
Accurate 4064
<<locked>>
97%
54331
87%
**52
100%
Accurate 4350
<<locked>>
97%
40089
64%
**02
96%
Alliant AR-Comp
<<locked>>
91%
55811
89%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53403
86%
**56
100%
Alliant Reloder-10x
<<locked>>
86%
56115
90%
**80
100%
Alliant Reloder-15 👍
<<locked>>
95%
55376
89%
**92
99%
Alliant Reloder-16
<<locked>>
97%
41292
66%
**18
97%
Alliant Reloder-17
<<locked>>
97%
47036
75%
**52
99%
[Alliant Reloder-23]*
<<locked>>
97%
29095
47%
**72
93%
Baschieri & Pellagri 106
<<locked>>
84%
55753
89%
**38
100%
Baschieri & Pellagri 107 👍
<<locked>>
92%
55593
89%
**89
99%
Hodgdon BL-C2
<<locked>>
91%
55898
90%
**98
100%
Hodgdon Benchmark
<<locked>>
89%
55883
90%
**00
100%
Hodgdon CFE223
<<locked>>
96%
55709
89%
**31
99%
Hodgdon H322
<<locked>>
88%
55434
89%
**26
100%
Hodgdon H335
<<locked>>
84%
55695
89%
**39
100%
Hodgdon H380
<<locked>>
97%
55216
89%
**79
99%
Hodgdon H414
<<locked>>
97%
48631
78%
**30
95%
[Hodgdon H4350]*
<<locked>>
97%
39958
64%
**13
91%
Hodgdon Hybrid 100V
<<locked>>
97%
37869
61%
**26
97%
Hodgdon LVR
<<locked>>
97%
44744
72%
**57
97%
[Hodgdon Superperformance]*
<<locked>>
97%
45324
73%
**80
93%
Hodgdon VARGET
<<locked>>
97%
53940
86%
**30
99%
IMR 3031
<<locked>>
96%
56028
90%
**72
100%
IMR 4064
<<locked>>
97%
52794
85%
**03
99%
IMR 4166 Enduron
<<locked>>
96%
52692
84%
**70
96%
IMR 4198
<<locked>>
85%
55709
89%
**34
100%
[IMR 4350]*
<<locked>>
96%
42061
67%
**49
92%
IMR 4451 Enduron
<<locked>>
97%
49922
80%
**64
95%
IMR 4831
<<locked>>
96%
34563
55%
**77
95%
IMR 4895 👍
<<locked>>
95%
55941
90%
**08
100%
IMR 8208 XBR
<<locked>>
90%
55608
89%
**36
100%
Lovex D073.4
<<locked>>
85%
56101
90%
**23
100%
Lovex D073.5
<<locked>>
87%
56072
90%
**36
100%
Lovex D073.6
<<locked>>
93%
56130
90%
**66
100%
Lovex S060
<<locked>>
92%
55622
89%
**00
100%
Lovex S062
<<locked>>
96%
55651
89%
**52
100%
Lovex S065
<<locked>>
97%
45876
74%
**15
96%
[Lovex S070]*
<<locked>>
96%
43149
69%
**85
94%
Norma 201
<<locked>>
93%
55376
89%
**39
100%
Norma 202
<<locked>>
93%
56072
90%
**46
100%
Norma 203B
<<locked>>
96%
55259
89%
**89
100%
Norma URP
<<locked>>
96%
40509
65%
**02
96%
Ramshot Big Game 👍
<<locked>>
96%
55956
90%
**15
100%
[Ramshot Hunter]*
<<locked>>
97%
40901
66%
**98
94%
Ramshot TAC
<<locked>>
90%
55767
89%
**49
98%
Ramshot Wild Boar
<<locked>>
91%
55956
90%
**79
100%
Ramshot X-Terminator
<<locked>>
88%
55419
89%
**23
100%
ReloadSwiss RS 40
<<locked>>
87%
56101
90%
**36
100%
ReloadSwiss RS 50
<<locked>>
97%
55956
90%
**59
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
55158
88%
**18
100%
ReloadSwiss RS 60
<<locked>>
97%
45803
73%
**49
100%
ReloadSwiss RS 62
<<locked>>
97%
40596
65%
**28
96%
ReloadSwiss RS 70
<<locked>>
97%
41350
66%
**34
95%
Rottweil R 901
<<locked>>
90%
55883
90%
**13
100%
Rottweil R 902
<<locked>>
95%
55840
90%
**33
100%
Rottweil R 903
<<locked>>
96%
49545
79%
**00
100%
[Rottweil R 907]*
<<locked>>
97%
48109
77%
**34
94%
SNPE Vectan SP 10
<<locked>>
83%
55695
89%
**36
100%
SNPE Vectan SP 11
<<locked>>
97%
52011
83%
**69
99%
SNPE Vectan SP 7
<<locked>>
91%
55738
89%
**52
99%
SNPE Vectan SP 9
<<locked>>
93%
55941
90%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
55854
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
54027
87%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
45876
74%
**72
95%
Shooters World Long Rifle
<<locked>>
97%
45876
74%
**15
96%
Shooters World Match Rifle
<<locked>>
93%
56130
90%
**66
100%
Shooters World Precision
<<locked>>
96%
55651
89%
**52
100%
Shooters World Tactical Rifle
<<locked>>
85%
55651
89%
**03
100%
Somchem S321
<<locked>>
88%
55303
89%
**56
100%
Somchem S335
<<locked>>
92%
55651
89%
**74
100%
Somchem S341
<<locked>>
92%
55883
90%
**59
100%
Somchem S355
<<locked>>
97%
50546
81%
**10
100%
Somchem S365
<<locked>>
96%
36143
58%
**52
98%
Vihtavuori N130
<<locked>>
89%
56057
90%
**41
100%
Vihtavuori N133
<<locked>>
94%
55941
90%
**57
100%
Vihtavuori N135
<<locked>>
97%
48631
78%
**28
100%
Vihtavuori N140
<<locked>>
95%
55767
89%
**16
100%
Vihtavuori N150
<<locked>>
97%
42917
69%
**65
99%
Vihtavuori N160
<<locked>>
97%
45339
73%
**41
97%
Vihtavuori N530
<<locked>>
89%
55840
90%
**49
100%
Vihtavuori N540
<<locked>>
95%
55782
89%
**49
100%
Vihtavuori N550
<<locked>>
97%
45179
72%
**84
97%
[Vihtavuori N555]*
<<locked>>
97%
30371
49%
**34
93%
Winchester 6.5 StaBALL
<<locked>>
97%
44222
71%
**02
99%
Winchester 748
<<locked>>
88%
55593
89%
**82
100%
Winchester 760
<<locked>>
97%
48631
78%
**30
95%
Winchester StaBALL Match
<<locked>>
86%
55753
89%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39494
63%
**13
97%
ADI AR 2208
<<locked>>
81%
33576
54%
**75
95%
ADI AR 2219
<<locked>>
81%
51648
83%
**77
100%
Accurate 2015
<<locked>>
81%
44918
72%
**33
100%
Accurate 2200
<<locked>>
81%
41640
67%
**13
96%
Accurate 2230
<<locked>>
81%
46760
75%
**98
99%
Accurate 2460
<<locked>>
81%
46586
75%
**05
100%
Accurate 2495
<<locked>>
81%
39291
63%
**16
100%
Accurate 2520
<<locked>>
81%
40103
64%
**39
100%
[Accurate 2700]*
<<locked>>
86%
37289
60%
**98
90%
Accurate 4064
<<locked>>
81%
33054
53%
**11
99%
[Accurate 4350]*
<<locked>>
84%
26513
43%
**00
90%
Alliant AR-Comp
<<locked>>
81%
40437
65%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32518
52%
**98
96%
Alliant Reloder-10x
<<locked>>
81%
48428
78%
**88
100%
Alliant Reloder-15
<<locked>>
81%
35230
56%
**47
96%
[Alliant Reloder-16]*
<<locked>>
84%
28152
45%
**06
90%
[Alliant Reloder-17]*
<<locked>>
81%
28224
45%
**39
93%
[Alliant Reloder-23]*
<<locked>>
92%
25498
41%
**64
90%
Baschieri & Pellagri 106
<<locked>>
81%
50314
81%
**72
100%
Baschieri & Pellagri 107
<<locked>>
81%
38087
61%
**06
96%
Hodgdon BL-C2
<<locked>>
81%
39929
64%
**59
99%
Hodgdon Benchmark
<<locked>>
81%
43598
70%
**23
99%
[Hodgdon CFE223]*
<<locked>>
81%
33301
53%
**41
94%
Hodgdon H322
<<locked>>
81%
43830
70%
**65
100%
Hodgdon H335
<<locked>>
81%
50952
82%
**80
100%
[Hodgdon H380]*
<<locked>>
81%
32953
53%
**92
93%
[Hodgdon H414]*
<<locked>>
86%
34432
55%
**64
90%
[Hodgdon H4350]*
<<locked>>
94%
36724
59%
**51
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
23801
38%
**72
90%
[Hodgdon LVR]*
<<locked>>
83%
29037
47%
**26
90%
[Hodgdon Superperformance]*
<<locked>>
92%
38290
61%
**43
90%
Hodgdon VARGET
<<locked>>
81%
33344
53%
**72
95%
IMR 3031
<<locked>>
81%
35172
56%
**67
100%
IMR 4064
<<locked>>
81%
32808
53%
**56
95%
[IMR 4166 Enduron]*
<<locked>>
82%
34345
55%
**46
90%
IMR 4198
<<locked>>
81%
49153
79%
**56
100%
[IMR 4350]*
<<locked>>
92%
36608
59%
**47
90%
[IMR 4451 Enduron]*
<<locked>>
84%
34606
55%
**82
90%
[IMR 4831]*
<<locked>>
88%
26672
43%
**80
90%
IMR 4895
<<locked>>
81%
36085
58%
**80
97%
IMR 8208 XBR
<<locked>>
81%
41539
67%
**29
99%
Lovex D073.4
<<locked>>
81%
48530
78%
**25
100%
Lovex D073.5
<<locked>>
81%
46282
74%
**02
100%
Lovex D073.6
<<locked>>
81%
37666
60%
**97
99%
Lovex S060
<<locked>>
81%
40277
65%
**67
98%
Lovex S062
<<locked>>
81%
34954
56%
**15
98%
[Lovex S065]*
<<locked>>
83%
30023
48%
**93
90%
[Lovex S070]*
<<locked>>
88%
33359
53%
**92
90%
Norma 201
<<locked>>
81%
38537
62%
**74
98%
Norma 202
<<locked>>
81%
38580
62%
**90
100%
Norma 203B
<<locked>>
81%
34621
56%
**44
96%
[Norma URP]*
<<locked>>
84%
27383
44%
**00
90%
Ramshot Big Game
<<locked>>
81%
33910
54%
**44
95%
[Ramshot Hunter]*
<<locked>>
90%
32808
53%
**31
90%
Ramshot TAC
<<locked>>
81%
41394
66%
**23
95%
Ramshot Wild Boar
<<locked>>
81%
40466
65%
**43
98%
Ramshot X-Terminator
<<locked>>
81%
44846
72%
**65
98%
ReloadSwiss RS 40
<<locked>>
81%
46398
74%
**98
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33547
54%
**75
91%
ReloadSwiss RS 52
<<locked>>
81%
32837
53%
**44
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
27456
44%
**23
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
28326
45%
**49
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
31633
51%
**08
90%
Rottweil R 901
<<locked>>
81%
42438
68%
**20
100%
Rottweil R 902
<<locked>>
81%
36666
59%
**31
98%
Rottweil R 903
<<locked>>
81%
29762
48%
**36
95%
[Rottweil R 907]*
<<locked>>
87%
35810
57%
**08
90%
SNPE Vectan SP 10
<<locked>>
81%
52083
84%
**87
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
31212
50%
**85
94%
SNPE Vectan SP 7
<<locked>>
81%
39247
63%
**90
95%
SNPE Vectan SP 9
<<locked>>
81%
37652
60%
**83
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
40408
65%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33170
53%
**26
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
32953
53%
**42
90%
[Shooters World Long Rifle]*
<<locked>>
83%
30023
48%
**93
90%
Shooters World Match Rifle
<<locked>>
81%
37666
60%
**97
99%
Shooters World Precision
<<locked>>
81%
34954
56%
**15
98%
Shooters World Tactical Rifle
<<locked>>
81%
49458
79%
**18
100%
Somchem S321
<<locked>>
81%
44454
71%
**98
99%
Somchem S335
<<locked>>
81%
39624
64%
**44
100%
Somchem S341
<<locked>>
81%
38870
62%
**93
97%
Somchem S355
<<locked>>
81%
30951
50%
**52
95%
[Somchem S365]*
<<locked>>
81%
22481
36%
**75
91%
Vihtavuori N130
<<locked>>
81%
44701
72%
**90
100%
Vihtavuori N133
<<locked>>
81%
37971
61%
**05
100%
Vihtavuori N135
<<locked>>
81%
30124
48%
**13
100%
Vihtavuori N140
<<locked>>
81%
36056
58%
**24
100%
Vihtavuori N150
<<locked>>
81%
26426
42%
**28
95%
[Vihtavuori N160]*
<<locked>>
81%
27456
44%
**67
90%
Vihtavuori N530
<<locked>>
81%
43424
70%
**69
99%
Vihtavuori N540
<<locked>>
81%
35636
57%
**38
99%
[Vihtavuori N550]*
<<locked>>
81%
27340
44%
**03
90%
[Vihtavuori N555]*
<<locked>>
92%
26049
42%
**16
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26585
43%
**21
92%
Winchester 748
<<locked>>
81%
43308
69%
**15
100%
[Winchester 760]*
<<locked>>
86%
34432
55%
**64
90%
Winchester StaBALL Match
<<locked>>
81%
46050
74%
**44
99%

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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