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Load data for .33 Nosler + .338 | 250gr | Speer Grand Slam

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Somchem S385

.33 Nosler + .338 | 250gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Speer Grand Slam
Manufacturer SKU:
2408
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.230" | 31.2mm
Caliber:
.33 Nosler load data
Case Length (l3):
2.460" | 62.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.400" | 10.2mm
Shank Seated Depth:
0.400" | 10.2mm
Case Capacity:
96.0 Grains of Water | 6.23 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B6195_C439
Last updated:
2025-01-01

Load data for 164 loads in caliber .33 Nosler with .338 | 250gr | Speer Grand Slam bullet and 82 powders such as Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Somchem S385. 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 2208
<<locked>>
86%
58189
90%
**15
100%
ADI AR 2209
<<locked>>
97%
57769
89%
**17
99%
ADI AR 2213
<<locked>>
97%
52156
80%
**64
97%
[ADI AR 2217]*
<<locked>>
97%
38014
59%
**85
93%
ADI AR 2225
<<locked>>
97%
33402
51%
**43
95%
Accurate 2700
<<locked>>
87%
58015
89%
**89
100%
Accurate 3100
<<locked>>
97%
51227
79%
**79
100%
Accurate 4064
<<locked>>
84%
57972
89%
**75
100%
Accurate 4350
<<locked>>
91%
58262
90%
**80
100%
Accurate MAGPRO
<<locked>>
97%
50372
78%
**54
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
57943
89%
**18
100%
Alliant Reloder-15
<<locked>>
83%
58073
89%
**38
100%
Alliant Reloder-16
<<locked>>
93%
58073
89%
**23
100%
Alliant Reloder-17
<<locked>>
88%
58320
90%
**26
100%
Alliant Reloder-19
<<locked>>
97%
57217
88%
**00
99%
Alliant Reloder-22
<<locked>>
97%
51184
79%
**57
99%
Alliant Reloder-23
<<locked>>
97%
48457
75%
**95
100%
Alliant Reloder-25
<<locked>>
97%
42061
65%
**26
99%
Alliant Reloder-26 👍
<<locked>>
97%
54940
85%
**69
100%
Hodgdon CFE223
<<locked>>
84%
58160
90%
**80
100%
[Hodgdon H1000]*
<<locked>>
97%
38014
59%
**85
93%
Hodgdon H380
<<locked>>
85%
58117
89%
**44
100%
Hodgdon H414
<<locked>>
88%
58001
89%
**03
100%
Hodgdon H4350
<<locked>>
94%
57798
89%
**51
100%
Hodgdon H4831
<<locked>>
97%
48037
74%
**46
96%
Hodgdon H4831 SC
<<locked>>
97%
54578
84%
**48
97%
Hodgdon Hybrid 100V
<<locked>>
95%
58378
90%
**44
100%
Hodgdon LVR
<<locked>>
90%
58262
90%
**77
100%
Hodgdon Retumbo
<<locked>>
97%
33402
51%
**43
95%
Hodgdon Superperformance 👍
<<locked>>
90%
57812
89%
**33
100%
Hodgdon VARGET
<<locked>>
86%
57740
89%
**12
100%
IMR 4064
<<locked>>
87%
58015
89%
**98
100%
IMR 4166 Enduron
<<locked>>
87%
58276
90%
**08
100%
IMR 4350
<<locked>>
93%
58320
90%
**54
100%
IMR 4451 Enduron
<<locked>>
88%
58001
89%
**35
100%
IMR 4831
<<locked>>
97%
58102
89%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
53447
82%
**95
97%
IMR 7828 SSC
<<locked>>
97%
53040
82%
**87
98%
Lovex S062
<<locked>>
84%
57986
89%
**92
100%
Lovex S065
<<locked>>
91%
58349
90%
**28
100%
Lovex S070
<<locked>>
91%
57827
89%
**51
100%
Lovex S071
<<locked>>
97%
43076
66%
**44
99%
Norma 203B
<<locked>>
84%
58102
89%
**35
100%
Norma 204 👍
<<locked>>
92%
58320
90%
**00
99%
Norma MRP
<<locked>>
97%
54346
84%
**33
100%
Norma URP
<<locked>>
92%
58160
90%
**80
100%
Ramshot Big Game
<<locked>>
83%
57899
89%
**48
100%
Ramshot Hunter 👍
<<locked>>
93%
58117
89%
**07
100%
Ramshot Magnum
<<locked>>
97%
49574
76%
**18
99%
ReloadSwiss RS 50
<<locked>>
85%
57841
89%
**35
100%
ReloadSwiss RS 52
<<locked>>
84%
58073
89%
**48
100%
ReloadSwiss RS 60
<<locked>>
89%
58291
90%
**43
100%
ReloadSwiss RS 62
<<locked>>
91%
57740
89%
**03
100%
ReloadSwiss RS 70
<<locked>>
92%
57943
89%
**56
100%
ReloadSwiss RS 76
<<locked>>
97%
40553
62%
**39
98%
Rottweil R 903
<<locked>>
87%
57885
89%
**21
100%
Rottweil R 904
<<locked>>
96%
58450
90%
**74
99%
Rottweil R 905
<<locked>>
97%
56507
87%
**87
99%
Rottweil R 907
<<locked>>
89%
57754
89%
**28
100%
SNPE Vectan SP 11
<<locked>>
86%
58320
90%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
58465
90%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
58291
90%
**92
100%
Shooters World Long Rifle
<<locked>>
91%
58349
90%
**28
100%
Shooters World Precision
<<locked>>
84%
57986
89%
**92
100%
Somchem S355
<<locked>>
87%
58146
89%
**18
100%
Somchem S361
<<locked>>
95%
57957
89%
**35
98%
Somchem S365
<<locked>>
94%
58175
90%
**87
100%
Somchem S385 👍
<<locked>>
97%
57493
88%
**71
100%
Vihtavuori N133
<<locked>>
83%
58291
90%
**84
100%
Vihtavuori N135
<<locked>>
88%
58117
89%
**30
100%
Vihtavuori N140
<<locked>>
83%
58218
90%
**43
100%
Vihtavuori N150
<<locked>>
92%
58175
90%
**85
100%
Vihtavuori N160
<<locked>>
90%
58117
89%
**41
100%
Vihtavuori N165
<<locked>>
97%
47892
74%
**23
98%
Vihtavuori N540
<<locked>>
84%
58465
90%
**79
100%
Vihtavuori N550
<<locked>>
89%
57783
89%
**84
100%
Vihtavuori N555
<<locked>>
97%
53867
83%
**61
100%
Vihtavuori N560
<<locked>>
97%
51314
79%
**74
97%
Vihtavuori N565
<<locked>>
97%
43323
67%
**33
95%
Winchester 6.5 StaBALL
<<locked>>
91%
57841
89%
**18
100%
Winchester 760
<<locked>>
88%
58001
89%
**03
100%
Winchester StaBALL HD
<<locked>>
97%
43453
67%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49661
76%
**93
100%
[ADI AR 2209]*
<<locked>>
81%
34592
53%
**97
94%
[ADI AR 2213]*
<<locked>>
82%
32416
50%
**54
90%
[ADI AR 2217]*
<<locked>>
92%
32735
50%
**57
90%
[ADI AR 2225]*
<<locked>>
90%
27311
42%
**59
90%
Accurate 2700
<<locked>>
81%
47964
74%
**44
98%
Accurate 3100
<<locked>>
81%
30153
46%
**78
95%
Accurate 4064
<<locked>>
81%
53243
82%
**20
100%
Accurate 4350
<<locked>>
81%
40988
63%
**21
100%
[Accurate MAGPRO]*
<<locked>>
87%
36230
56%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50589
78%
**23
100%
Alliant Reloder-15
<<locked>>
81%
53969
83%
**85
100%
Alliant Reloder-16
<<locked>>
81%
39668
61%
**28
100%
Alliant Reloder-17
<<locked>>
81%
45034
69%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
34505
53%
**97
94%
[Alliant Reloder-22]*
<<locked>>
81%
30284
47%
**28
91%
Alliant Reloder-23
<<locked>>
81%
29153
45%
**08
98%
[Alliant Reloder-25]*
<<locked>>
81%
25628
39%
**06
92%
Alliant Reloder-26
<<locked>>
81%
31009
48%
**10
97%
Hodgdon CFE223
<<locked>>
81%
53417
82%
**12
100%
[Hodgdon H1000]*
<<locked>>
92%
32735
50%
**57
90%
Hodgdon H380
<<locked>>
81%
51459
79%
**49
100%
Hodgdon H414
<<locked>>
81%
46470
72%
**30
99%
Hodgdon H4350
<<locked>>
81%
38377
59%
**26
96%
[Hodgdon H4831]*
<<locked>>
85%
33069
51%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
33069
51%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37144
57%
**26
100%
Hodgdon LVR
<<locked>>
81%
43656
67%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
90%
27311
42%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
41568
64%
**74
98%
Hodgdon VARGET
<<locked>>
81%
49501
76%
**93
100%
IMR 4064
<<locked>>
81%
48965
75%
**74
100%
IMR 4166 Enduron
<<locked>>
81%
48008
74%
**54
99%
IMR 4350
<<locked>>
81%
40074
62%
**62
97%
IMR 4451 Enduron
<<locked>>
81%
46209
71%
**51
99%
IMR 4831
<<locked>>
81%
35650
55%
**00
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32837
51%
**98
90%
[IMR 7828 SSC]*
<<locked>>
82%
32155
49%
**64
90%
Lovex S062
<<locked>>
81%
52562
81%
**23
100%
Lovex S065
<<locked>>
81%
43700
67%
**08
99%
Lovex S070
<<locked>>
81%
41771
64%
**92
98%
[Lovex S071]*
<<locked>>
81%
25962
40%
**70
93%
Norma 203B
<<locked>>
81%
53461
82%
**75
100%
Norma 204
<<locked>>
81%
39508
61%
**88
95%
[Norma MRP]*
<<locked>>
81%
31415
48%
**83
94%
Norma URP
<<locked>>
81%
40480
62%
**11
99%
Ramshot Big Game
<<locked>>
81%
53925
83%
**95
100%
Ramshot Hunter
<<locked>>
81%
39204
60%
**98
98%
[Ramshot Magnum]*
<<locked>>
81%
27731
43%
**49
90%
ReloadSwiss RS 50
<<locked>>
81%
51242
79%
**36
100%
ReloadSwiss RS 52
<<locked>>
81%
53301
82%
**85
100%
ReloadSwiss RS 60
<<locked>>
81%
43482
67%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
40611
63%
**38
99%
ReloadSwiss RS 70
<<locked>>
81%
39233
60%
**48
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
27847
43%
**98
90%
Rottweil R 903
<<locked>>
81%
48196
74%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
36027
55%
**83
93%
[Rottweil R 905]*
<<locked>>
81%
33359
51%
**74
93%
Rottweil R 907
<<locked>>
81%
44643
69%
**21
98%
SNPE Vectan SP 11
<<locked>>
81%
49269
76%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49182
76%
**88
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42786
66%
**56
98%
Shooters World Long Rifle
<<locked>>
81%
43700
67%
**08
99%
Shooters World Precision
<<locked>>
81%
52562
81%
**23
100%
Somchem S355
<<locked>>
81%
48370
74%
**84
100%
[Somchem S361]*
<<locked>>
81%
36463
56%
**70
92%
Somchem S365
<<locked>>
81%
36767
57%
**69
100%
Somchem S385
<<locked>>
81%
34069
52%
**64
95%
Vihtavuori N133
<<locked>>
81%
54737
84%
**41
100%
Vihtavuori N135
<<locked>>
81%
46963
72%
**85
100%
Vihtavuori N140
<<locked>>
81%
54128
83%
**97
100%
Vihtavuori N150
<<locked>>
81%
41495
64%
**43
100%
Vihtavuori N160
<<locked>>
81%
43526
67%
**31
100%
[Vihtavuori N165]*
<<locked>>
81%
28631
44%
**26
92%
Vihtavuori N540
<<locked>>
81%
53925
83%
**23
100%
Vihtavuori N550
<<locked>>
81%
44280
68%
**77
100%
Vihtavuori N555
<<locked>>
81%
32213
50%
**74
98%
[Vihtavuori N560]*
<<locked>>
83%
32851
51%
**03
90%
[Vihtavuori N565]*
<<locked>>
88%
31995
49%
**83
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41031
63%
**79
100%
Winchester 760
<<locked>>
81%
46470
72%
**30
99%
Winchester StaBALL HD
<<locked>>
81%
22785
35%
**92
98%

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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