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Load data for .338 RCM + .338 | 275gr | Speer SSP

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550

.338 RCM + .338 | 275gr | Speer SSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 275gr | Speer SSP
Manufacturer SKU:
2411
Bullet Weight:
275gr | 17.8g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.364" | 34.6mm
Caliber:
.338 RCM load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.567" | 14.4mm
Shank Seated Depth:
0.567" | 14.4mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6197_C458
Last updated:
2025-01-01

Load data for 196 loads in caliber .338 RCM with .338 | 275gr | Speer SSP bullet and 98 powders such as Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11, Vihtavuori N550. 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.

    .

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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>>
88%
55811
89%
**06
100%
ADI AR 2208
<<locked>>
94%
55825
90%
**00
100%
[ADI AR 2209]*
<<locked>>
97%
41408
66%
**56
93%
Accurate 2015
<<locked>>
85%
56043
90%
**01
100%
Accurate 2200
<<locked>>
87%
55825
90%
**80
100%
Accurate 2495
<<locked>>
87%
55796
89%
**64
100%
Accurate 2520
<<locked>>
87%
55288
89%
**83
100%
Accurate 2700
<<locked>>
94%
55419
89%
**47
98%
Accurate 3100
<<locked>>
97%
33910
54%
**44
95%
Accurate 4064
<<locked>>
93%
56130
90%
**90
100%
Accurate 4350
<<locked>>
97%
47863
77%
**77
99%
Alliant AR-Comp
<<locked>>
86%
55259
89%
**34
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
55419
89%
**13
100%
Alliant Reloder-15
<<locked>>
92%
56072
90%
**29
100%
Alliant Reloder-16
<<locked>>
97%
46963
75%
**80
100%
Alliant Reloder-17 👍
<<locked>>
97%
54114
87%
**95
100%
[Alliant Reloder-19]*
<<locked>>
97%
40872
66%
**62
94%
Alliant Reloder-23
<<locked>>
97%
33228
53%
**70
98%
Alliant Reloder-26
<<locked>>
97%
36085
58%
**78
97%
Baschieri & Pellagri 107
<<locked>>
89%
55535
89%
**26
100%
Hodgdon BL-C2
<<locked>>
87%
55477
89%
**26
100%
Hodgdon Benchmark
<<locked>>
86%
55593
89%
**31
100%
Hodgdon CFE223 👍
<<locked>>
92%
55840
90%
**65
100%
Hodgdon H322
<<locked>>
85%
56043
90%
**57
100%
Hodgdon H380
<<locked>>
93%
55434
89%
**23
100%
Hodgdon H414
<<locked>>
97%
56072
90%
**82
99%
Hodgdon H4350
<<locked>>
97%
45411
73%
**82
96%
Hodgdon Hybrid 100V
<<locked>>
97%
43511
70%
**85
100%
Hodgdon LVR
<<locked>>
97%
51996
83%
**20
99%
Hodgdon Superperformance
<<locked>>
97%
50720
81%
**36
97%
Hodgdon VARGET
<<locked>>
94%
55492
89%
**90
100%
IMR 3031
<<locked>>
91%
55042
88%
**80
100%
IMR 4064
<<locked>>
94%
55317
89%
**80
100%
IMR 4166 Enduron
<<locked>>
95%
55782
89%
**70
99%
IMR 4350
<<locked>>
97%
47790
77%
**15
97%
IMR 4451 Enduron
<<locked>>
96%
55245
89%
**90
98%
IMR 4831
<<locked>>
97%
40408
65%
**56
98%
IMR 4895
<<locked>>
91%
55332
89%
**29
100%
IMR 8208 XBR
<<locked>>
87%
55288
89%
**70
100%
Lovex D073.6
<<locked>>
89%
55869
90%
**93
100%
Lovex S060
<<locked>>
88%
55129
88%
**38
100%
Lovex S062
<<locked>>
92%
55651
89%
**83
100%
Lovex S065
<<locked>>
97%
52156
84%
**60
99%
Lovex S070
<<locked>>
97%
49472
79%
**41
98%
[Lovex S071]*
<<locked>>
97%
28210
45%
**29
92%
Norma 201
<<locked>>
89%
55912
90%
**74
100%
Norma 202
<<locked>>
89%
55332
89%
**60
100%
Norma 203B
<<locked>>
92%
56130
90%
**29
100%
Norma 204
<<locked>>
97%
48022
77%
**51
95%
[Norma MRP]*
<<locked>>
97%
36361
58%
**42
94%
Norma URP
<<locked>>
97%
46963
75%
**60
99%
Ramshot Big Game
<<locked>>
92%
55564
89%
**43
100%
Ramshot Hunter
<<locked>>
97%
46151
74%
**60
98%
Ramshot TAC
<<locked>>
87%
55782
89%
**97
99%
Ramshot Wild Boar
<<locked>>
87%
55535
89%
**13
100%
Ramshot X-Terminator
<<locked>>
84%
55419
89%
**64
100%
ReloadSwiss RS 40
<<locked>>
83%
55912
90%
**60
100%
ReloadSwiss RS 50
<<locked>>
93%
55506
89%
**03
99%
ReloadSwiss RS 52
<<locked>>
92%
55390
89%
**46
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52344
84%
**88
100%
ReloadSwiss RS 62
<<locked>>
97%
47340
76%
**97
99%
ReloadSwiss RS 70
<<locked>>
97%
47297
76%
**10
99%
Rottweil R 901
<<locked>>
86%
55608
89%
**41
100%
Rottweil R 902
<<locked>>
91%
56086
90%
**70
100%
Rottweil R 903
<<locked>>
96%
55869
90%
**20
100%
[Rottweil R 904]*
<<locked>>
97%
42801
69%
**42
93%
[Rottweil R 905]*
<<locked>>
97%
38769
62%
**33
93%
Rottweil R 907
<<locked>>
97%
54491
87%
**80
98%
SNPE Vectan SP 11 👍
<<locked>>
95%
55869
90%
**56
100%
SNPE Vectan SP 7
<<locked>>
87%
55143
88%
**90
100%
SNPE Vectan SP 9
<<locked>>
89%
56028
90%
**06
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
54984
88%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
56086
90%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
52098
84%
**18
98%
Shooters World Long Rifle
<<locked>>
97%
52156
84%
**60
99%
Shooters World Match Rifle
<<locked>>
89%
55869
90%
**93
100%
Shooters World Precision
<<locked>>
92%
55651
89%
**83
100%
Somchem S321
<<locked>>
84%
55622
89%
**93
100%
Somchem S335
<<locked>>
89%
55811
89%
**11
100%
Somchem S341
<<locked>>
88%
55738
89%
**93
100%
Somchem S355
<<locked>>
96%
55666
89%
**10
100%
[Somchem S361]*
<<locked>>
97%
43918
70%
**39
92%
Somchem S365
<<locked>>
97%
42105
68%
**24
100%
[Somchem S385]*
<<locked>>
97%
38914
62%
**16
94%
Vihtavuori N130
<<locked>>
85%
55434
89%
**62
100%
Vihtavuori N133
<<locked>>
91%
56043
90%
**85
100%
Vihtavuori N135
<<locked>>
97%
55593
89%
**38
100%
Vihtavuori N140
<<locked>>
91%
55637
89%
**47
100%
Vihtavuori N150
<<locked>>
97%
49356
79%
**05
100%
Vihtavuori N160
<<locked>>
97%
52083
84%
**87
100%
Vihtavuori N530
<<locked>>
85%
55811
89%
**80
100%
Vihtavuori N540
<<locked>>
91%
55767
89%
**80
100%
Vihtavuori N550 👍
<<locked>>
97%
52344
84%
**29
100%
Vihtavuori N555
<<locked>>
97%
35737
57%
**33
98%
Winchester 6.5 StaBALL
<<locked>>
97%
49487
79%
**41
100%
Winchester 748
<<locked>>
84%
55245
89%
**10
100%
Winchester 760
<<locked>>
97%
56072
90%
**82
99%
Winchester StaBALL HD
<<locked>>
97%
29414
47%
**54
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
44135
71%
**49
100%
ADI AR 2208
<<locked>>
81%
37637
60%
**34
98%
[ADI AR 2209]*
<<locked>>
90%
34127
55%
**14
90%
Accurate 2015
<<locked>>
81%
50125
80%
**36
100%
Accurate 2200
<<locked>>
81%
46514
75%
**59
99%
Accurate 2495
<<locked>>
81%
45266
73%
**42
100%
Accurate 2520
<<locked>>
81%
45963
74%
**75
100%
[Accurate 2700]*
<<locked>>
81%
36187
58%
**69
93%
[Accurate 3100]*
<<locked>>
88%
25353
41%
**60
90%
Accurate 4064
<<locked>>
81%
38130
61%
**60
100%
[Accurate 4350]*
<<locked>>
81%
27528
44%
**19
94%
Alliant AR-Comp
<<locked>>
81%
46369
74%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
37202
60%
**57
99%
Alliant Reloder-15
<<locked>>
81%
39856
64%
**03
99%
[Alliant Reloder-16]*
<<locked>>
81%
28935
46%
**32
94%
Alliant Reloder-17
<<locked>>
81%
31937
51%
**34
98%
[Alliant Reloder-19]*
<<locked>>
90%
33156
53%
**08
90%
[Alliant Reloder-23]*
<<locked>>
81%
20885
33%
**32
90%
[Alliant Reloder-26]*
<<locked>>
86%
25367
41%
**06
90%
Baschieri & Pellagri 107
<<locked>>
81%
43352
70%
**59
99%
Hodgdon BL-C2
<<locked>>
81%
45614
73%
**98
100%
Hodgdon Benchmark
<<locked>>
81%
48341
78%
**42
100%
Hodgdon CFE223
<<locked>>
81%
38087
61%
**16
98%
Hodgdon H322
<<locked>>
81%
49211
79%
**82
100%
Hodgdon H380
<<locked>>
81%
37869
61%
**67
97%
[Hodgdon H414]*
<<locked>>
81%
33098
53%
**21
93%
[Hodgdon H4350]*
<<locked>>
83%
29718
48%
**90
90%
Hodgdon Hybrid 100V
<<locked>>
81%
26339
42%
**54
95%
Hodgdon LVR
<<locked>>
81%
31082
50%
**69
95%
[Hodgdon Superperformance]*
<<locked>>
82%
30385
49%
**69
90%
Hodgdon VARGET
<<locked>>
81%
37362
60%
**28
98%
IMR 3031
<<locked>>
81%
40524
65%
**00
100%
IMR 4064
<<locked>>
81%
36970
59%
**14
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37289
60%
**91
94%
[IMR 4350]*
<<locked>>
81%
29573
47%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34969
56%
**78
93%
[IMR 4831]*
<<locked>>
81%
24918
40%
**34
93%
IMR 4895
<<locked>>
81%
40741
65%
**26
99%
IMR 8208 XBR
<<locked>>
81%
46238
74%
**56
100%
Lovex D073.6
<<locked>>
81%
43163
69%
**36
100%
Lovex S060
<<locked>>
81%
44628
72%
**03
100%
Lovex S062
<<locked>>
81%
39508
63%
**67
100%
[Lovex S065]*
<<locked>>
81%
32213
52%
**36
94%
[Lovex S070]*
<<locked>>
81%
30443
49%
**13
92%
[Lovex S071]*
<<locked>>
93%
25208
40%
**54
90%
Norma 201
<<locked>>
81%
43308
69%
**13
100%
Norma 202
<<locked>>
81%
43642
70%
**19
100%
Norma 203B
<<locked>>
81%
39102
63%
**93
99%
[Norma 204]*
<<locked>>
86%
33953
54%
**11
90%
[Norma MRP]*
<<locked>>
91%
30574
49%
**14
90%
[Norma URP]*
<<locked>>
81%
28500
46%
**23
94%
Ramshot Big Game
<<locked>>
81%
38653
62%
**06
99%
[Ramshot Hunter]*
<<locked>>
81%
28166
45%
**09
91%
Ramshot TAC
<<locked>>
81%
46195
74%
**69
98%
Ramshot Wild Boar
<<locked>>
81%
45716
73%
**85
100%
Ramshot X-Terminator
<<locked>>
81%
50053
80%
**98
100%
ReloadSwiss RS 40
<<locked>>
81%
52228
84%
**18
100%
ReloadSwiss RS 50
<<locked>>
81%
38189
61%
**51
96%
ReloadSwiss RS 52
<<locked>>
81%
38058
61%
**06
100%
ReloadSwiss RS 60
<<locked>>
81%
31227
50%
**24
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
27775
45%
**32
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
28311
45%
**29
92%
Rottweil R 901
<<locked>>
81%
47485
76%
**39
100%
Rottweil R 902
<<locked>>
81%
41263
66%
**73
100%
Rottweil R 903
<<locked>>
81%
34403
55%
**11
99%
[Rottweil R 904]*
<<locked>>
91%
36434
58%
**31
90%
[Rottweil R 905]*
<<locked>>
91%
32242
52%
**01
90%
[Rottweil R 907]*
<<locked>>
81%
33489
54%
**49
92%
SNPE Vectan SP 11
<<locked>>
81%
35534
57%
**57
98%
SNPE Vectan SP 7
<<locked>>
81%
44585
71%
**49
99%
SNPE Vectan SP 9
<<locked>>
81%
42888
69%
**33
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
45049
72%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37231
60%
**65
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31067
50%
**90
92%
[Shooters World Long Rifle]*
<<locked>>
81%
32213
52%
**36
94%
Shooters World Match Rifle
<<locked>>
81%
43163
69%
**36
100%
Shooters World Precision
<<locked>>
81%
39508
63%
**67
100%
Somchem S321
<<locked>>
81%
50256
81%
**24
100%
Somchem S335
<<locked>>
81%
44251
71%
**70
100%
Somchem S341
<<locked>>
81%
44251
71%
**46
100%
Somchem S355
<<locked>>
81%
35288
57%
**18
99%
[Somchem S361]*
<<locked>>
93%
39378
63%
**64
90%
Somchem S365
<<locked>>
81%
25672
41%
**90
97%
[Somchem S385]*
<<locked>>
88%
29704
48%
**36
90%
Vihtavuori N130
<<locked>>
81%
49850
80%
**00
100%
Vihtavuori N133
<<locked>>
81%
42583
68%
**28
100%
Vihtavuori N135
<<locked>>
81%
34548
55%
**62
100%
Vihtavuori N140
<<locked>>
81%
40814
65%
**60
100%
Vihtavuori N150
<<locked>>
81%
30385
49%
**06
99%
Vihtavuori N160
<<locked>>
81%
30980
50%
**52
95%
Vihtavuori N530
<<locked>>
81%
48994
79%
**98
100%
Vihtavuori N540
<<locked>>
81%
40567
65%
**83
100%
Vihtavuori N550
<<locked>>
81%
31459
50%
**91
96%
[Vihtavuori N555]*
<<locked>>
81%
21930
35%
**95
91%
Winchester 6.5 StaBALL
<<locked>>
81%
29950
48%
**16
97%
Winchester 748
<<locked>>
81%
49559
79%
**41
100%
[Winchester 760]*
<<locked>>
81%
33098
53%
**21
93%
[Winchester StaBALL HD]*
<<locked>>
87%
22089
35%
**11
90%

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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