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Load data for .338 RCM + .338 | 225gr | Speer Grand Slam

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Recommended Powder(s):

.338 RCM + .338 | 225gr | Speer Grand Slam

Load Specifications

Bullet:
.338 | 225gr | Speer Grand Slam
Manufacturer SKU:
2407
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.160" | 29.5mm
Caliber:
.338 RCM
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.363" | 9.2mm
Shank Seated Depth:
0.363" | 9.2mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6192_C458

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 190 loads in caliber .338 RCM with .338 | 225gr | Speer Grand Slam bullet and 95 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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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>>
91%
55782
89%
**89
100%
ADI AR 2208
<<locked>>
96%
55288
89%
**66
99%
Accurate 2015
<<locked>>
87%
55579
89%
**84
100%
Accurate 2200
<<locked>>
89%
55970
90%
**49
99%
Accurate 2230
<<locked>>
85%
55303
89%
**36
100%
Accurate 2460
<<locked>>
85%
56028
90%
**46
100%
Accurate 2495
<<locked>>
90%
55259
89%
**46
100%
Accurate 2520
<<locked>>
90%
55709
89%
**79
100%
Accurate 2700
<<locked>>
97%
55071
88%
**03
96%
Accurate 4064
<<locked>>
96%
55550
89%
**79
100%
Accurate 4350
<<locked>>
97%
41814
67%
**44
97%
Alliant AR-Comp
<<locked>>
90%
56115
90%
**39
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55100
88%
**89
100%
Alliant Reloder-10x
<<locked>>
84%
55448
89%
**87
100%
Alliant Reloder-15
<<locked>>
94%
55521
89%
**05
100%
Alliant Reloder-16
<<locked>>
97%
42728
69%
**61
97%
Alliant Reloder-17
<<locked>>
97%
48921
78%
**98
100%
[Alliant Reloder-23]*
<<locked>>
97%
30037
48%
**08
94%
Baschieri & Pellagri 106
<<locked>>
83%
56043
90%
**54
100%
Baschieri & Pellagri 107 👍
<<locked>>
91%
55825
90%
**08
99%
Hodgdon BL-C2
<<locked>>
89%
55158
88%
**98
100%
Hodgdon Benchmark
<<locked>>
89%
55970
90%
**16
100%
Hodgdon CFE223 👍
<<locked>>
95%
55622
89%
**44
99%
Hodgdon H322
<<locked>>
88%
55724
89%
**39
100%
Hodgdon H380
<<locked>>
96%
55637
89%
**98
99%
Hodgdon H414
<<locked>>
97%
49951
80%
**69
96%
[Hodgdon H4350]*
<<locked>>
97%
41336
66%
**56
92%
Hodgdon Hybrid 100V
<<locked>>
96%
38421
62%
**49
98%
Hodgdon LVR
<<locked>>
97%
46282
74%
**97
97%
[Hodgdon Superperformance]*
<<locked>>
97%
46702
75%
**23
94%
Hodgdon VARGET
<<locked>>
96%
54839
88%
**59
99%
IMR 3031
<<locked>>
94%
55216
89%
**79
100%
IMR 4064
<<locked>>
97%
54375
87%
**43
99%
IMR 4166 Enduron
<<locked>>
97%
54056
87%
**13
97%
IMR 4198
<<locked>>
84%
55811
89%
**48
100%
[IMR 4350]*
<<locked>>
97%
43265
69%
**95
93%
IMR 4451 Enduron
<<locked>>
97%
51474
83%
**03
96%
IMR 4831
<<locked>>
97%
36100
58%
**20
95%
IMR 4895 👍
<<locked>>
94%
55738
89%
**18
100%
IMR 8208 XBR
<<locked>>
90%
55608
89%
**52
100%
Lovex D073.4
<<locked>>
84%
55622
89%
**30
100%
Lovex D073.5
<<locked>>
85%
55695
89%
**43
100%
Lovex D073.6
<<locked>>
92%
56043
90%
**82
100%
Lovex S060
<<locked>>
91%
55608
89%
**16
100%
Lovex S062
<<locked>>
95%
55840
90%
**66
100%
Lovex S065
<<locked>>
97%
47485
76%
**54
97%
Lovex S070
<<locked>>
97%
44918
72%
**28
95%
Norma 201
<<locked>>
92%
55434
89%
**52
100%
Norma 202
<<locked>>
92%
56028
90%
**59
100%
Norma 203B
<<locked>>
95%
55376
89%
**02
100%
Norma URP
<<locked>>
97%
42424
68%
**51
97%
Ramshot Big Game 👍
<<locked>>
95%
55332
89%
**18
100%
Ramshot Hunter
<<locked>>
97%
41684
67%
**34
95%
Ramshot TAC
<<locked>>
90%
55999
90%
**69
98%
Ramshot Wild Boar
<<locked>>
90%
55172
88%
**85
100%
Ramshot X-Terminator
<<locked>>
87%
55840
90%
**43
100%
ReloadSwiss RS 40
<<locked>>
86%
55709
89%
**43
100%
ReloadSwiss RS 50
<<locked>>
96%
55999
90%
**75
98%
ReloadSwiss RS 52 👍
<<locked>>
96%
55883
90%
**35
100%
ReloadSwiss RS 60
<<locked>>
97%
47442
76%
**89
100%
ReloadSwiss RS 62
<<locked>>
97%
41829
67%
**67
97%
ReloadSwiss RS 70
<<locked>>
97%
42888
69%
**77
96%
Rottweil R 901
<<locked>>
89%
55274
89%
**16
100%
Rottweil R 902
<<locked>>
94%
55666
89%
**43
100%
Rottweil R 903
<<locked>>
97%
51735
83%
**49
100%
Rottweil R 907
<<locked>>
97%
49719
80%
**77
95%
SNPE Vectan SP 11
<<locked>>
97%
53113
85%
**02
100%
SNPE Vectan SP 7
<<locked>>
90%
55912
90%
**72
99%
SNPE Vectan SP 9
<<locked>>
92%
55187
88%
**75
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
55477
89%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55332
89%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47500
76%
**11
95%
Shooters World Long Rifle
<<locked>>
97%
47485
76%
**54
97%
Shooters World Match Rifle
<<locked>>
92%
56043
90%
**82
100%
Shooters World Precision
<<locked>>
95%
55840
90%
**66
100%
Shooters World Tactical Rifle
<<locked>>
84%
55274
89%
**13
100%
Somchem S321
<<locked>>
87%
55738
89%
**72
100%
Somchem S335
<<locked>>
91%
55782
89%
**87
100%
Somchem S341
<<locked>>
91%
56086
90%
**72
100%
Somchem S355
<<locked>>
97%
52388
84%
**49
100%
Somchem S365
<<locked>>
97%
37492
60%
**95
99%
Vihtavuori N130
<<locked>>
87%
55448
89%
**48
100%
Vihtavuori N133
<<locked>>
93%
55854
90%
**67
100%
Vihtavuori N135
<<locked>>
97%
50270
81%
**57
100%
Vihtavuori N140
<<locked>>
94%
56028
90%
**30
100%
Vihtavuori N150
<<locked>>
97%
44570
71%
**05
100%
Vihtavuori N160
<<locked>>
97%
46789
75%
**80
98%
Vihtavuori N530
<<locked>>
88%
55869
90%
**66
100%
Vihtavuori N540
<<locked>>
94%
55854
90%
**59
100%
Vihtavuori N550
<<locked>>
97%
46702
75%
**20
98%
[Vihtavuori N555]*
<<locked>>
97%
31647
51%
**83
94%
Winchester 6.5 StaBALL
<<locked>>
97%
45716
73%
**41
99%
Winchester 748
<<locked>>
87%
55172
88%
**92
100%
Winchester 760
<<locked>>
97%
49951
80%
**69
96%
Winchester StaBALL Match
<<locked>>
85%
55550
89%
**95
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40553
65%
**49
98%
ADI AR 2208
<<locked>>
81%
34577
55%
**08
95%
Accurate 2015
<<locked>>
81%
46006
74%
**59
100%
Accurate 2200
<<locked>>
81%
42627
68%
**49
97%
Accurate 2230
<<locked>>
81%
48225
77%
**38
100%
Accurate 2460
<<locked>>
81%
48109
77%
**38
100%
Accurate 2495
<<locked>>
81%
40712
65%
**49
100%
Accurate 2520
<<locked>>
81%
41408
66%
**72
100%
[Accurate 2700]*
<<locked>>
84%
36289
58%
**92
90%
Accurate 4064
<<locked>>
81%
34258
55%
**44
100%
[Accurate 4350]*
<<locked>>
83%
25904
42%
**96
90%
Alliant AR-Comp
<<locked>>
81%
41930
67%
**56
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33605
54%
**31
97%
Alliant Reloder-10x
<<locked>>
81%
49966
80%
**18
100%
Alliant Reloder-15
<<locked>>
81%
36245
58%
**83
96%
[Alliant Reloder-16]*
<<locked>>
83%
27920
45%
**13
90%
[Alliant Reloder-17]*
<<locked>>
81%
29138
47%
**85
94%
[Alliant Reloder-23]*
<<locked>>
91%
25179
40%
**64
90%
Baschieri & Pellagri 106
<<locked>>
81%
51779
83%
**05
100%
Baschieri & Pellagri 107
<<locked>>
81%
39349
63%
**46
96%
Hodgdon BL-C2
<<locked>>
81%
41263
66%
**95
99%
Hodgdon Benchmark
<<locked>>
81%
44701
72%
**52
100%
Hodgdon CFE223
<<locked>>
81%
34345
55%
**77
95%
Hodgdon H322
<<locked>>
81%
45165
72%
**98
100%
[Hodgdon H380]*
<<locked>>
81%
33852
54%
**24
94%
[Hodgdon H414]*
<<locked>>
84%
33475
54%
**51
90%
[Hodgdon H4350]*
<<locked>>
92%
36260
58%
**57
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24076
39%
**91
91%
[Hodgdon LVR]*
<<locked>>
81%
28384
46%
**19
90%
[Hodgdon Superperformance]*
<<locked>>
90%
37101
59%
**33
90%
Hodgdon VARGET
<<locked>>
81%
34360
55%
**05
95%
IMR 3031
<<locked>>
81%
36477
58%
**97
100%
IMR 4064
<<locked>>
81%
33808
54%
**92
95%
[IMR 4166 Enduron]*
<<locked>>
81%
34171
55%
**56
90%
IMR 4198
<<locked>>
81%
50241
81%
**79
100%
[IMR 4350]*
<<locked>>
90%
35636
57%
**44
90%
[IMR 4451 Enduron]*
<<locked>>
83%
33547
54%
**75
90%
[IMR 4831]*
<<locked>>
86%
26179
42%
**73
90%
IMR 4895
<<locked>>
81%
37144
60%
**13
97%
IMR 8208 XBR
<<locked>>
81%
42627
68%
**59
99%
Lovex D073.4
<<locked>>
81%
50111
80%
**61
100%
Lovex D073.5
<<locked>>
81%
47819
77%
**34
100%
Lovex D073.6
<<locked>>
81%
38856
62%
**29
100%
Lovex S060
<<locked>>
81%
41350
66%
**97
98%
Lovex S062
<<locked>>
81%
36056
58%
**47
98%
[Lovex S065]*
<<locked>>
81%
29341
47%
**90
90%
[Lovex S070]*
<<locked>>
87%
32808
53%
**92
90%
Norma 201
<<locked>>
81%
39682
64%
**03
99%
Norma 202
<<locked>>
81%
39740
64%
**20
100%
Norma 203B
<<locked>>
81%
35766
57%
**77
97%
[Norma URP]*
<<locked>>
82%
27021
43%
**96
90%
Ramshot Big Game
<<locked>>
81%
35085
56%
**83
96%
[Ramshot Hunter]*
<<locked>>
88%
32010
51%
**24
90%
Ramshot TAC
<<locked>>
81%
42612
68%
**56
96%
Ramshot Wild Boar
<<locked>>
81%
41669
67%
**75
98%
Ramshot X-Terminator
<<locked>>
81%
46035
74%
**98
99%
ReloadSwiss RS 40
<<locked>>
81%
48095
77%
**38
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34795
56%
**15
92%
ReloadSwiss RS 52
<<locked>>
81%
34084
55%
**83
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
28427
46%
**69
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
27557
44%
**39
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
31343
50%
**18
90%
Rottweil R 901
<<locked>>
81%
43787
70%
**52
100%
Rottweil R 902
<<locked>>
81%
37826
61%
**67
98%
Rottweil R 903
<<locked>>
81%
31038
50%
**75
96%
[Rottweil R 907]*
<<locked>>
85%
34896
56%
**05
90%
SNPE Vectan SP 11
<<locked>>
81%
32155
52%
**18
95%
SNPE Vectan SP 7
<<locked>>
81%
40567
65%
**29
96%
SNPE Vectan SP 9
<<locked>>
81%
39059
63%
**16
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
41365
66%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33881
54%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
32590
52%
**49
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29341
47%
**90
90%
Shooters World Match Rifle
<<locked>>
81%
38856
62%
**29
100%
Shooters World Precision
<<locked>>
81%
36056
58%
**47
98%
Shooters World Tactical Rifle
<<locked>>
81%
50966
82%
**51
100%
Somchem S321
<<locked>>
81%
45876
74%
**34
100%
Somchem S335
<<locked>>
81%
40727
65%
**74
100%
Somchem S341
<<locked>>
81%
40176
64%
**29
98%
Somchem S355
<<locked>>
81%
31981
51%
**88
96%
[Somchem S365]*
<<locked>>
81%
23134
37%
**11
92%
Vihtavuori N130
<<locked>>
81%
46108
74%
**23
100%
Vihtavuori N133
<<locked>>
81%
38812
62%
**28
100%
Vihtavuori N135
<<locked>>
81%
30980
50%
**39
100%
Vihtavuori N140
<<locked>>
81%
37173
60%
**54
100%
Vihtavuori N150
<<locked>>
81%
27340
44%
**57
96%
[Vihtavuori N160]*
<<locked>>
81%
28152
45%
**96
91%
Vihtavuori N530
<<locked>>
81%
44556
71%
**02
99%
Vihtavuori N540
<<locked>>
81%
36724
59%
**67
100%
[Vihtavuori N550]*
<<locked>>
81%
28079
45%
**33
91%
[Vihtavuori N555]*
<<locked>>
90%
25498
41%
**10
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27383
44%
**54
93%
Winchester 748
<<locked>>
81%
44817
72%
**48
100%
[Winchester 760]*
<<locked>>
84%
33475
54%
**51
90%
Winchester StaBALL Match
<<locked>>
81%
47863
77%
**84
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.

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