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Load data for .338 Win Mag. + .338 | 185gr | Hornady GMX

Recommended Powder(s): Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Ramshot Big Game, Ramshot Wild Boar

.338 Win Mag. + .338 | 185gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Hornady GMX
Manufacturer SKU:
33270
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.380" | 35.1mm
Caliber:
.338 Win Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.590" | 15.0mm
Shank Seated Depth:
0.450" | 11.4mm
Case Capacity:
86.0 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2744_C465
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 210 loads in caliber .338 Win Mag. with .338 | 185gr | Hornady GMX bullet and 105 powders such as Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Ramshot Big Game, Ramshot Wild Boar. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 28.7 fps

  • .

    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>>
95%
62120
100%
**02
100%
ADI AR 2207
<<locked>>
83%
62076
100%
**38
100%
ADI AR 2208
<<locked>>
97%
55811
89%
**87
99%
ADI AR 2219
<<locked>>
86%
61670
99%
**53
100%
Accurate 2015
<<locked>>
91%
61699
99%
**84
100%
Accurate 2200
<<locked>>
93%
62207
100%
**66
99%
Accurate 2230
<<locked>>
88%
61931
99%
**43
100%
Accurate 2460
<<locked>>
88%
61670
99%
**46
100%
Accurate 2495
<<locked>>
94%
61670
99%
**56
100%
Accurate 2520
<<locked>>
93%
61960
99%
**86
100%
Accurate 2700
<<locked>>
97%
54998
88%
**02
95%
Accurate 4064
<<locked>>
97%
56652
91%
**17
100%
Accurate 4350
<<locked>>
97%
41872
67%
**43
96%
Alliant AR-Comp
<<locked>>
93%
61946
99%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55013
88%
**10
100%
Alliant Reloder-10x
<<locked>>
88%
62004
99%
**00
100%
Alliant Reloder-15
<<locked>>
97%
59306
95%
**79
99%
Alliant Reloder-16
<<locked>>
97%
42322
68%
**46
96%
Alliant Reloder-17
<<locked>>
97%
48486
78%
**04
99%
[Alliant Reloder-23]*
<<locked>>
97%
30139
48%
**61
92%
Baschieri & Pellagri 106
<<locked>>
87%
61511
99%
**41
100%
Baschieri & Pellagri 107 👍
<<locked>>
95%
62178
100%
**18
99%
Hodgdon BL-C2 👍
<<locked>>
93%
62062
100%
**15
100%
Hodgdon Benchmark
<<locked>>
92%
61685
99%
**20
100%
Hodgdon CFE BLK
<<locked>>
84%
61873
99%
**90
100%
Hodgdon CFE223
<<locked>>
97%
59466
95%
**22
99%
Hodgdon H322
<<locked>>
91%
61670
99%
**53
100%
Hodgdon H335
<<locked>>
86%
62091
100%
**69
100%
Hodgdon H380
<<locked>>
97%
57246
92%
**40
98%
Hodgdon H414
<<locked>>
97%
50763
81%
**87
95%
Hodgdon H4198
<<locked>>
86%
62134
100%
**71
100%
Hodgdon Hybrid 100V
<<locked>>
97%
38899
62%
**38
97%
Hodgdon LVR
<<locked>>
97%
46354
74%
**02
96%
[Hodgdon Superperformance]*
<<locked>>
97%
46760
75%
**12
92%
Hodgdon VARGET
<<locked>>
97%
55245
89%
**84
99%
Hodgdon TrailBoss
<<locked>>
96%
32837
53%
**09
100%
IMR 3031
<<locked>>
97%
59741
96%
**66
100%
IMR 4064
<<locked>>
97%
54636
88%
**64
99%
IMR 4166 Enduron
<<locked>>
97%
54549
87%
**28
96%
IMR 4198
<<locked>>
88%
61482
99%
**51
100%
[IMR 4350]*
<<locked>>
97%
43482
70%
**84
92%
IMR 4451 Enduron
<<locked>>
97%
52083
84%
**15
95%
[IMR 4831]*
<<locked>>
97%
36172
58%
**92
94%
IMR 4895 👍
<<locked>>
97%
60829
98%
**15
100%
IMR 8208 XBR
<<locked>>
93%
61569
99%
**63
100%
Lovex D073.4
<<locked>>
87%
61308
98%
**27
100%
Lovex D073.5
<<locked>>
89%
62134
100%
**49
100%
Lovex D073.6
<<locked>>
95%
61960
99%
**86
100%
Lovex S060
<<locked>>
95%
61801
99%
**23
100%
Lovex S062
<<locked>>
97%
58508
94%
**27
100%
Lovex S065
<<locked>>
97%
47834
77%
**56
96%
[Lovex S070]*
<<locked>>
97%
44904
72%
**23
93%
Norma 200
<<locked>>
84%
61946
99%
**77
100%
Norma 201
<<locked>>
95%
62221
100%
**69
100%
Norma 202
<<locked>>
95%
61438
99%
**56
100%
Norma 203B
<<locked>>
97%
58436
94%
**69
100%
Norma URP
<<locked>>
97%
42583
68%
**46
96%
Ramshot Big Game 👍
<<locked>>
97%
59770
96%
**09
100%
[Ramshot Hunter]*
<<locked>>
97%
41655
67%
**17
93%
Ramshot TAC
<<locked>>
93%
62149
100%
**76
98%
Ramshot Wild Boar 👍
<<locked>>
93%
61902
99%
**05
100%
Ramshot X-Terminator
<<locked>>
90%
61699
99%
**46
100%
ReloadSwiss RS 14
<<locked>>
96%
33301
53%
**52
100%
ReloadSwiss RS 40
<<locked>>
89%
61801
99%
**56
100%
ReloadSwiss RS 50
<<locked>>
97%
58117
93%
**23
97%
ReloadSwiss RS 52
<<locked>>
97%
57885
93%
**92
100%
ReloadSwiss RS 60
<<locked>>
97%
47384
76%
**94
99%
ReloadSwiss RS 62
<<locked>>
97%
42177
68%
**59
95%
[ReloadSwiss RS 70]*
<<locked>>
97%
43395
70%
**72
94%
Rottweil R 901
<<locked>>
93%
62033
99%
**40
100%
Rottweil R 902
<<locked>>
97%
60669
97%
**40
100%
Rottweil R 903
<<locked>>
97%
51721
83%
**61
99%
[Rottweil R 907]*
<<locked>>
97%
50169
80%
**85
94%
SNPE Vectan BA6 1/2
<<locked>>
85%
62250
100%
**92
100%
SNPE Vectan SP 10
<<locked>>
86%
62236
100%
**63
100%
SNPE Vectan SP 11
<<locked>>
97%
53461
86%
**23
99%
SNPE Vectan SP 7
<<locked>>
93%
61902
99%
**69
99%
SNPE Vectan SP 9
<<locked>>
96%
62366
100%
**99
100%
SNPE Vectan Tubal 3000
<<locked>>
94%
61873
99%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55071
88%
**89
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
47239
76%
**97
94%
Shooters World Long Rifle
<<locked>>
97%
47834
77%
**56
96%
Shooters World Match Rifle
<<locked>>
95%
61960
99%
**86
100%
Shooters World Precision
<<locked>>
97%
58508
94%
**27
100%
Shooters World Tactical Rifle
<<locked>>
87%
62134
100%
**23
100%
Somchem S321
<<locked>>
90%
61917
99%
**82
100%
Somchem S335
<<locked>>
95%
62323
100%
**90
100%
Somchem S341
<<locked>>
94%
62047
99%
**76
100%
Somchem S355
<<locked>>
97%
52779
85%
**71
99%
Somchem S365
<<locked>>
97%
37695
60%
**80
98%
Vihtavuori N120
<<locked>>
86%
62221
100%
**82
100%
Vihtavuori N130
<<locked>>
91%
62192
100%
**51
100%
Vihtavuori N133
<<locked>>
97%
62163
100%
**67
100%
Vihtavuori N135
<<locked>>
97%
49879
80%
**69
100%
Vihtavuori N140
<<locked>>
97%
61061
98%
**17
100%
Vihtavuori N150
<<locked>>
97%
44657
72%
**03
99%
Vihtavuori N160
<<locked>>
97%
46920
75%
**85
97%
Vihtavuori N530
<<locked>>
91%
61975
99%
**72
100%
Vihtavuori N540
<<locked>>
97%
60814
98%
**46
100%
Vihtavuori N550
<<locked>>
97%
47195
76%
**28
97%
[Vihtavuori N555]*
<<locked>>
97%
31821
51%
**46
92%
Winchester 6.5 StaBALL
<<locked>>
97%
45919
74%
**36
98%
Winchester 748
<<locked>>
90%
61902
99%
**09
100%
Winchester 760
<<locked>>
97%
50763
81%
**87
95%
Winchester StaBALL Match
<<locked>>
88%
62134
100%
**09
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40538
65%
**38
97%
ADI AR 2207
<<locked>>
81%
57551
92%
**82
100%
[ADI AR 2208]*
<<locked>>
81%
34621
56%
**84
94%
ADI AR 2219
<<locked>>
81%
53156
85%
**38
100%
Accurate 2015
<<locked>>
81%
46006
74%
**67
100%
Accurate 2200
<<locked>>
81%
42482
68%
**41
96%
Accurate 2230
<<locked>>
81%
48066
77%
**36
99%
Accurate 2460
<<locked>>
81%
48138
77%
**49
100%
Accurate 2495
<<locked>>
81%
40741
65%
**44
100%
Accurate 2520
<<locked>>
81%
41278
66%
**67
99%
[Accurate 2700]*
<<locked>>
87%
40176
64%
**39
90%
Accurate 4064
<<locked>>
81%
34287
55%
**20
99%
[Accurate 4350]*
<<locked>>
86%
29153
47%
**38
90%
Alliant AR-Comp
<<locked>>
81%
41669
67%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33330
53%
**93
95%
Alliant Reloder-10x
<<locked>>
81%
49603
80%
**36
100%
Alliant Reloder-15
<<locked>>
81%
36085
58%
**62
95%
[Alliant Reloder-16]*
<<locked>>
86%
30560
49%
**48
90%
[Alliant Reloder-17]*
<<locked>>
81%
29008
47%
**28
91%
[Alliant Reloder-23]*
<<locked>>
94%
27920
45%
**92
90%
Baschieri & Pellagri 106
<<locked>>
81%
51793
83%
**13
100%
Baschieri & Pellagri 107
<<locked>>
81%
39334
63%
**31
95%
Hodgdon BL-C2
<<locked>>
81%
41060
66%
**84
98%
Hodgdon Benchmark
<<locked>>
81%
44614
72%
**54
99%
Hodgdon CFE BLK
<<locked>>
81%
56971
91%
**25
100%
[Hodgdon CFE223]*
<<locked>>
81%
34505
55%
**49
93%
Hodgdon H322
<<locked>>
81%
45194
72%
**07
100%
Hodgdon H335
<<locked>>
81%
52199
84%
**31
100%
[Hodgdon H380]*
<<locked>>
81%
34011
55%
**93
92%
[Hodgdon H414]*
<<locked>>
88%
37449
60%
**15
90%
Hodgdon H4198
<<locked>>
81%
54578
88%
**66
100%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
26237
42%
**00
90%
[Hodgdon LVR]*
<<locked>>
85%
31705
51%
**70
90%
[Hodgdon Superperformance]*
<<locked>>
93%
40973
66%
**90
90%
[Hodgdon VARGET]*
<<locked>>
81%
34200
55%
**74
94%
Hodgdon TrailBoss
<<locked>>
89%
29791
48%
**47
100%
IMR 3031
<<locked>>
81%
36201
58%
**85
100%
[IMR 4064]*
<<locked>>
81%
33533
54%
**54
94%
[IMR 4166 Enduron]*
<<locked>>
84%
37188
60%
**97
90%
IMR 4198
<<locked>>
81%
49922
80%
**94
100%
[IMR 4350]*
<<locked>>
93%
39407
63%
**95
90%
[IMR 4451 Enduron]*
<<locked>>
86%
37463
60%
**30
90%
[IMR 4831]*
<<locked>>
90%
29008
47%
**11
90%
IMR 4895
<<locked>>
81%
36970
59%
**95
96%
IMR 8208 XBR
<<locked>>
81%
42598
68%
**54
98%
Lovex D073.4
<<locked>>
81%
49792
80%
**66
100%
Lovex D073.5
<<locked>>
81%
47732
77%
**36
100%
Lovex D073.6
<<locked>>
81%
38957
62%
**18
99%
Lovex S060
<<locked>>
81%
40872
66%
**75
97%
Lovex S062
<<locked>>
81%
35708
57%
**16
97%
[Lovex S065]*
<<locked>>
85%
32808
53%
**38
90%
[Lovex S070]*
<<locked>>
90%
36318
58%
**39
90%
Norma 200
<<locked>>
81%
55840
90%
**95
100%
Norma 201
<<locked>>
81%
39581
63%
**92
98%
Norma 202
<<locked>>
81%
39610
64%
**08
99%
Norma 203B
<<locked>>
81%
35462
57%
**49
95%
[Norma URP]*
<<locked>>
86%
30414
49%
**48
90%
Ramshot Big Game
<<locked>>
81%
34998
56%
**56
95%
[Ramshot Hunter]*
<<locked>>
91%
35302
57%
**69
90%
[Ramshot TAC]*
<<locked>>
81%
42569
68%
**41
94%
Ramshot Wild Boar
<<locked>>
81%
41510
67%
**67
97%
Ramshot X-Terminator
<<locked>>
81%
46108
74%
**00
98%
ReloadSwiss RS 14
<<locked>>
85%
28427
46%
**50
100%
ReloadSwiss RS 40
<<locked>>
81%
47776
77%
**49
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34983
56%
**90
90%
ReloadSwiss RS 52
<<locked>>
81%
33953
54%
**52
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
28311
45%
**08
92%
[ReloadSwiss RS 62]*
<<locked>>
88%
31038
50%
**93
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
34505
55%
**59
90%
Rottweil R 901
<<locked>>
81%
43439
70%
**48
100%
Rottweil R 902
<<locked>>
81%
37695
60%
**43
97%
[Rottweil R 903]*
<<locked>>
81%
30777
49%
**34
94%
[Rottweil R 907]*
<<locked>>
89%
39204
63%
**66
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
56318
90%
**20
100%
SNPE Vectan SP 10
<<locked>>
81%
53330
86%
**41
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
32184
52%
**90
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
40495
65%
**12
94%
SNPE Vectan SP 9
<<locked>>
81%
39088
63%
**05
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
41307
66%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34069
55%
**25
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
89%
36245
58%
**87
90%
[Shooters World Long Rifle]*
<<locked>>
85%
32808
53%
**38
90%
Shooters World Match Rifle
<<locked>>
81%
38957
62%
**18
99%
Shooters World Precision
<<locked>>
81%
35708
57%
**16
97%
Shooters World Tactical Rifle
<<locked>>
81%
50517
81%
**56
99%
Somchem S321
<<locked>>
81%
45730
73%
**30
99%
Somchem S335
<<locked>>
81%
40640
65%
**66
100%
Somchem S341
<<locked>>
81%
40016
64%
**12
96%
[Somchem S355]*
<<locked>>
81%
31879
51%
**51
94%
[Somchem S365]*
<<locked>>
82%
24192
39%
**83
90%
Vihtavuori N120
<<locked>>
81%
53592
86%
**84
100%
Vihtavuori N130
<<locked>>
81%
45876
74%
**28
100%
Vihtavuori N133
<<locked>>
81%
38711
62%
**16
100%
Vihtavuori N135
<<locked>>
81%
31067
50%
**11
99%
Vihtavuori N140
<<locked>>
81%
36985
59%
**33
99%
[Vihtavuori N150]*
<<locked>>
81%
27209
44%
**06
94%
[Vihtavuori N160]*
<<locked>>
83%
30182
48%
**08
90%
Vihtavuori N530
<<locked>>
81%
44657
72%
**10
99%
Vihtavuori N540
<<locked>>
81%
36825
59%
**49
99%
[Vihtavuori N550]*
<<locked>>
83%
30023
48%
**41
90%
[Vihtavuori N555]*
<<locked>>
93%
28340
45%
**44
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27427
44%
**93
91%
Winchester 748
<<locked>>
81%
44802
72%
**49
99%
[Winchester 760]*
<<locked>>
88%
37449
60%
**15
90%
Winchester StaBALL Match
<<locked>>
81%
47601
76%
**85
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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