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Load data for .338 Marlin Express + .338 | 250gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

.338 Marlin Express + .338 | 250gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | A-Square MONO RN
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.338 Marlin Express load data
Case Length (l3):
1.880" | 47.8mm
Cartridge Length (C.O.L.):
2.561" | 65.0mm
Seated Depth:
0.319" | 8.1mm
Shank Seated Depth:
0.319" | 8.1mm
Case Capacity:
61.0 Grains of Water | 3.96 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
46412 psi | 3200 bar
LID:
LID_B384_C456
Last updated:
2025-01-01

Load data for 132 loads in caliber .338 Marlin Express with .338 | 250gr | A-Square MONO RN bullet and 66 powders such as Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355. 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 2206H
<<locked>>
83%
41379
89%
**72
98%
ADI AR 2208
<<locked>>
89%
41655
90%
**62
97%
Accurate 2495
<<locked>>
84%
41742
90%
**78
100%
[Accurate 2700]*
<<locked>>
89%
41118
89%
**96
92%
Accurate 4064
<<locked>>
89%
41220
89%
**85
100%
Accurate 4350
<<locked>>
97%
38406
83%
**01
96%
Alliant Reloder- TS 15.5
<<locked>>
89%
40988
88%
**85
99%
Alliant Reloder-15
<<locked>>
87%
41524
89%
**98
98%
Alliant Reloder-16
<<locked>>
97%
40089
86%
**18
96%
Alliant Reloder-17 👍
<<locked>>
94%
41626
90%
**77
99%
[Alliant Reloder-23]*
<<locked>>
96%
28050
60%
**82
93%
Baschieri & Pellagri 107
<<locked>>
84%
41539
90%
**95
97%
Hodgdon CFE223
<<locked>>
89%
41669
90%
**34
97%
Hodgdon H380
<<locked>>
89%
41568
90%
**88
96%
[Hodgdon H414]*
<<locked>>
93%
41118
89%
**21
93%
[Hodgdon H4350]*
<<locked>>
96%
38624
83%
**16
91%
Hodgdon Hybrid 100V
<<locked>>
97%
36289
78%
**23
97%
Hodgdon LVR
<<locked>>
95%
41727
90%
**24
96%
[Hodgdon Superperformance]*
<<locked>>
95%
41611
90%
**28
92%
Hodgdon VARGET
<<locked>>
89%
41191
89%
**56
97%
IMR 3031
<<locked>>
87%
41466
89%
**95
100%
IMR 4064
<<locked>>
90%
41495
89%
**56
98%
[IMR 4166 Enduron]*
<<locked>>
89%
41626
90%
**19
93%
[IMR 4350]*
<<locked>>
97%
41089
89%
**62
92%
[IMR 4451 Enduron]*
<<locked>>
91%
41176
89%
**42
93%
[IMR 4831]*
<<locked>>
97%
33504
72%
**83
94%
IMR 4895
<<locked>>
87%
41713
90%
**11
98%
Lovex D073.6
<<locked>>
85%
41104
89%
**82
100%
Lovex S062
<<locked>>
87%
41220
89%
**62
99%
Lovex S065
<<locked>>
94%
41017
88%
**56
95%
[Lovex S070]*
<<locked>>
96%
41263
89%
**75
94%
Norma 201
<<locked>>
84%
41640
90%
**52
99%
Norma 202
<<locked>>
84%
41640
90%
**62
100%
Norma 203B
<<locked>>
88%
41684
90%
**05
98%
Norma URP
<<locked>>
97%
39639
85%
**08
96%
Ramshot Big Game
<<locked>>
88%
41452
89%
**18
98%
[Ramshot Hunter]*
<<locked>>
97%
39276
85%
**98
94%
[ReloadSwiss RS 50]*
<<locked>>
88%
41466
89%
**59
94%
ReloadSwiss RS 52 👍
<<locked>>
89%
41568
90%
**41
99%
ReloadSwiss RS 60 👍
<<locked>>
95%
41307
89%
**83
99%
ReloadSwiss RS 62
<<locked>>
97%
38711
83%
**18
96%
ReloadSwiss RS 70
<<locked>>
97%
40263
87%
**31
95%
Rottweil R 902
<<locked>>
86%
41162
89%
**36
99%
Rottweil R 903 👍
<<locked>>
92%
41684
90%
**05
99%
[Rottweil R 907]*
<<locked>>
93%
41727
90%
**52
93%
SNPE Vectan SP 11
<<locked>>
91%
41278
89%
**21
98%
SNPE Vectan SP 7
<<locked>>
83%
41089
89%
**52
96%
SNPE Vectan SP 9
<<locked>>
85%
41437
89%
**75
98%
SNPE Vectan Tubal 5000
<<locked>>
89%
41191
89%
**96
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
95%
41365
89%
**29
94%
Shooters World Long Rifle
<<locked>>
94%
41017
88%
**56
95%
Shooters World Match Rifle
<<locked>>
85%
41104
89%
**82
100%
Shooters World Precision
<<locked>>
87%
41220
89%
**62
99%
Somchem S341
<<locked>>
83%
40843
88%
**56
98%
Somchem S355 👍
<<locked>>
91%
41568
90%
**92
99%
Somchem S365
<<locked>>
97%
35346
76%
**62
98%
Vihtavuori N133
<<locked>>
85%
41713
90%
**87
100%
Vihtavuori N135
<<locked>>
92%
40930
88%
**39
100%
Vihtavuori N140
<<locked>>
86%
41089
89%
**39
100%
Vihtavuori N150
<<locked>>
97%
41539
89%
**69
99%
Vihtavuori N160
<<locked>>
95%
41727
90%
**05
97%
Vihtavuori N540
<<locked>>
87%
41292
89%
**65
100%
Vihtavuori N550
<<locked>>
95%
41611
90%
**44
97%
[Vihtavuori N555]*
<<locked>>
97%
29573
64%
**54
93%
Winchester 6.5 StaBALL
<<locked>>
95%
40973
88%
**69
98%
[Winchester 760]*
<<locked>>
93%
41118
89%
**21
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38377
83%
**19
97%
ADI AR 2208
<<locked>>
81%
32779
71%
**95
95%
Accurate 2495
<<locked>>
81%
38508
83%
**26
100%
[Accurate 2700]*
<<locked>>
86%
36666
79%
**21
90%
Accurate 4064
<<locked>>
81%
32387
70%
**31
99%
[Accurate 4350]*
<<locked>>
84%
25353
55%
**19
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
31560
68%
**11
96%
Alliant Reloder-15
<<locked>>
81%
34156
74%
**60
96%
[Alliant Reloder-16]*
<<locked>>
84%
27630
60%
**36
90%
[Alliant Reloder-17]*
<<locked>>
81%
27601
59%
**69
93%
[Alliant Reloder-23]*
<<locked>>
92%
24787
53%
**90
90%
Baschieri & Pellagri 107
<<locked>>
81%
37144
80%
**19
96%
[Hodgdon CFE223]*
<<locked>>
81%
32706
70%
**57
94%
[Hodgdon H380]*
<<locked>>
81%
32039
69%
**11
93%
[Hodgdon H414]*
<<locked>>
86%
33402
72%
**73
90%
[Hodgdon H4350]*
<<locked>>
94%
35824
77%
**64
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
23308
50%
**11
90%
[Hodgdon LVR]*
<<locked>>
83%
28413
61%
**52
90%
[Hodgdon Superperformance]*
<<locked>>
93%
37768
81%
**56
90%
Hodgdon VARGET
<<locked>>
81%
32518
70%
**95
95%
IMR 3031
<<locked>>
81%
34301
74%
**77
100%
IMR 4064
<<locked>>
81%
32082
69%
**78
95%
[IMR 4166 Enduron]*
<<locked>>
82%
33750
73%
**69
90%
[IMR 4350]*
<<locked>>
92%
35259
76%
**57
90%
[IMR 4451 Enduron]*
<<locked>>
85%
34040
73%
**05
90%
[IMR 4831]*
<<locked>>
88%
26092
56%
**13
90%
IMR 4895
<<locked>>
81%
34983
75%
**87
97%
Lovex D073.6
<<locked>>
81%
36419
78%
**06
99%
Lovex S062
<<locked>>
81%
33823
73%
**28
97%
[Lovex S065]*
<<locked>>
82%
29066
63%
**16
90%
[Lovex S070]*
<<locked>>
88%
32053
69%
**05
90%
Norma 201
<<locked>>
81%
37768
81%
**87
98%
Norma 202
<<locked>>
81%
37550
81%
**96
100%
Norma 203B
<<locked>>
81%
33417
72%
**54
96%
[Norma URP]*
<<locked>>
83%
26426
57%
**19
90%
Ramshot Big Game
<<locked>>
81%
32996
71%
**57
95%
[Ramshot Hunter]*
<<locked>>
90%
32068
69%
**44
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
32851
71%
**98
91%
ReloadSwiss RS 52
<<locked>>
81%
31952
69%
**60
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
26861
58%
**49
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
27514
59%
**69
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
31633
68%
**44
90%
Rottweil R 902
<<locked>>
81%
35795
77%
**47
98%
Rottweil R 903
<<locked>>
81%
28776
62%
**59
95%
[Rottweil R 907]*
<<locked>>
87%
34998
75%
**28
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30443
66%
**08
94%
SNPE Vectan SP 7
<<locked>>
81%
38014
82%
**96
95%
SNPE Vectan SP 9
<<locked>>
81%
37014
80%
**96
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
32300
70%
**46
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
32329
70%
**72
90%
[Shooters World Long Rifle]*
<<locked>>
82%
29066
63%
**16
90%
Shooters World Match Rifle
<<locked>>
81%
36419
78%
**06
99%
Shooters World Precision
<<locked>>
81%
33823
73%
**28
97%
Somchem S341
<<locked>>
81%
37710
81%
**03
97%
Somchem S355
<<locked>>
81%
30255
65%
**75
95%
[Somchem S365]*
<<locked>>
81%
22060
48%
**14
91%
Vihtavuori N133
<<locked>>
81%
36898
79%
**14
100%
Vihtavuori N135
<<locked>>
81%
29457
63%
**39
100%
Vihtavuori N140
<<locked>>
81%
35027
75%
**37
100%
Vihtavuori N150
<<locked>>
81%
25628
55%
**57
95%
[Vihtavuori N160]*
<<locked>>
81%
26760
58%
**96
90%
Vihtavuori N540
<<locked>>
81%
34766
75%
**54
99%
[Vihtavuori N550]*
<<locked>>
81%
26716
58%
**29
90%
[Vihtavuori N555]*
<<locked>>
91%
24903
54%
**29
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26005
56%
**54
92%
[Winchester 760]*
<<locked>>
86%
33402
72%
**73
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.

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