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Load data for .375 Weath. Mag. + .375 | 200gr | MAKER TREX

Recommended Powder(s):

.375 Weath. Mag. + .375 | 200gr | MAKER TREX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 200gr | MAKER TREX
Manufacturer SKU:
SKU 375-200g-HV-T-Rex
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Weath. Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
105.0 Grains of Water | 6.82 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10970_C568
Last updated:
2026-01-31

Load data for 182 loads in caliber .375 Weath. Mag. with .375 | 200gr | MAKER TREX bullet and 91 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".

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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 2206H
<<locked>>
96%
56724
89%
**91
98%
ADI AR 2207
<<locked>>
84%
57406
90%
**66
100%
ADI AR 2208
<<locked>>
97%
49661
78%
**43
96%
ADI AR 2219
<<locked>>
87%
57232
90%
**68
100%
Accurate 2015
<<locked>>
92%
57319
90%
**15
100%
Accurate 2200
<<locked>>
93%
57014
89%
**48
97%
Accurate 2230
<<locked>>
89%
56666
89%
**31
99%
Accurate 2460
<<locked>>
90%
57188
90%
**48
100%
Accurate 2495
<<locked>>
95%
56942
89%
**87
100%
Accurate 2520 👍
<<locked>>
94%
56898
89%
**91
100%
Accurate 4064
<<locked>>
97%
48776
76%
**72
100%
Alliant AR-Comp
<<locked>>
95%
57130
90%
**68
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
55042
86%
**63
97%
Alliant Reloder- TS 15.5
<<locked>>
97%
48283
76%
**63
98%
Alliant Reloder-10x
<<locked>>
89%
57203
90%
**25
100%
Alliant Reloder-15
<<locked>>
97%
52402
82%
**31
97%
Alliant Reloder-17
<<locked>>
97%
42743
67%
**23
96%
Alliant Reloder-7
<<locked>>
83%
57072
89%
**63
100%
Baschieri & Pellagri 106
<<locked>>
87%
57174
90%
**59
100%
Baschieri & Pellagri 107
<<locked>>
96%
56768
89%
**04
97%
Bofors RP3
<<locked>>
97%
48356
76%
**69
98%
Hodgdon BL-C2 👍
<<locked>>
94%
57363
90%
**17
99%
Hodgdon Benchmark
<<locked>>
93%
57174
90%
**18
100%
Hodgdon CFE BLK
<<locked>>
84%
56971
89%
**79
99%
Hodgdon CFE223
<<locked>>
97%
51953
81%
**58
96%
Hodgdon H322
<<locked>>
92%
57145
90%
**74
100%
Hodgdon H335
<<locked>>
87%
57319
90%
**71
100%
Hodgdon H380
<<locked>>
97%
49980
78%
**79
95%
Hodgdon H4198
<<locked>>
86%
56985
89%
**76
100%
Hodgdon H4895
<<locked>>
96%
57348
90%
**10
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
34345
54%
**51
92%
[Hodgdon LVR]*
<<locked>>
97%
40930
64%
**25
92%
Hodgdon VARGET
<<locked>>
97%
49443
77%
**43
96%
Hodgdon TrailBoss
<<locked>>
97%
32532
51%
**14
100%
IMR 3031
<<locked>>
97%
52228
82%
**45
100%
IMR 4064
<<locked>>
97%
48385
76%
**13
96%
[IMR 4166 Enduron]*
<<locked>>
97%
49023
77%
**77
92%
IMR 4198
<<locked>>
89%
56985
89%
**76
100%
IMR 4895
<<locked>>
97%
53867
84%
**77
98%
IMR 8208 XBR
<<locked>>
94%
57029
89%
**64
99%
Lovex D073.4
<<locked>>
88%
57319
90%
**41
100%
Lovex D073.5
<<locked>>
90%
57188
90%
**48
100%
Lovex D073.6 👍
<<locked>>
96%
56898
89%
**91
100%
Lovex S060
<<locked>>
95%
56768
89%
**05
98%
Lovex S062
<<locked>>
97%
51430
81%
**86
99%
[Lovex S065]*
<<locked>>
97%
41756
65%
**79
91%
Norma 200
<<locked>>
85%
57029
89%
**92
100%
Norma 201
<<locked>>
97%
56971
89%
**61
99%
Norma 202
<<locked>>
96%
56884
89%
**64
100%
Norma 203B
<<locked>>
97%
51517
81%
**25
98%
Ramshot Big Game
<<locked>>
97%
52170
82%
**54
97%
Ramshot TAC
<<locked>>
94%
57261
90%
**48
96%
Ramshot Wild Boar
<<locked>>
94%
57203
90%
**91
98%
Ramshot X-Terminator
<<locked>>
91%
57261
90%
**38
98%
ReloadSwiss RS 14
<<locked>>
96%
32619
51%
**54
100%
ReloadSwiss RS 40
<<locked>>
90%
57058
89%
**61
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
51271
80%
**56
93%
ReloadSwiss RS 52
<<locked>>
97%
56115
88%
**66
98%
ReloadSwiss RS 60
<<locked>>
97%
45600
71%
**02
99%
Rottweil R 901
<<locked>>
94%
57058
89%
**45
100%
Rottweil R 902
<<locked>>
97%
54186
85%
**09
99%
Rottweil R 903
<<locked>>
97%
44918
70%
**97
97%
SNPE Vectan BA6 1/2
<<locked>>
85%
57043
89%
**00
100%
SNPE Vectan SP 10
<<locked>>
87%
57232
90%
**74
100%
SNPE Vectan SP 11
<<locked>>
97%
47311
74%
**63
96%
SNPE Vectan SP 7
<<locked>>
95%
57406
90%
**64
97%
SNPE Vectan SP 9
<<locked>>
97%
57188
90%
**87
98%
SNPE Vectan Tubal 3000
<<locked>>
95%
56608
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
49298
77%
**71
100%
[Shooters World Long Rifle]*
<<locked>>
97%
41756
65%
**79
91%
Shooters World Match Rifle
<<locked>>
96%
56898
89%
**91
100%
Shooters World Precision
<<locked>>
97%
51430
81%
**86
99%
Shooters World Tactical Rifle
<<locked>>
88%
57392
90%
**28
99%
Somchem S321
<<locked>>
91%
56956
89%
**81
99%
Somchem S335
<<locked>>
96%
57232
90%
**92
100%
Somchem S341
<<locked>>
95%
56971
89%
**61
98%
Somchem S355
<<locked>>
97%
45614
71%
**04
97%
[Somchem S365]*
<<locked>>
97%
32895
52%
**80
93%
Vihtavuori N120
<<locked>>
87%
57406
90%
**07
100%
Vihtavuori N130
<<locked>>
92%
57043
89%
**66
100%
Vihtavuori N133
<<locked>>
97%
55317
87%
**59
100%
Vihtavuori N135
<<locked>>
97%
43482
68%
**35
100%
Vihtavuori N140
<<locked>>
97%
54157
85%
**99
100%
Vihtavuori N150
<<locked>>
97%
38798
61%
**40
96%
[Vihtavuori N160]*
<<locked>>
97%
41133
64%
**05
93%
Vihtavuori N530
<<locked>>
92%
57217
90%
**74
99%
Vihtavuori N540
<<locked>>
97%
53722
84%
**18
100%
[Vihtavuori N550]*
<<locked>>
97%
40930
64%
**48
93%
Winchester 6.5 StaBALL
<<locked>>
97%
40466
63%
**53
95%
Winchester 748 👍
<<locked>>
92%
57319
90%
**23
100%
Winchester StaBALL Match 👍
<<locked>>
90%
57058
89%
**97
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
35708
56%
**74
93%
ADI AR 2207
<<locked>>
81%
51953
81%
**90
100%
[ADI AR 2208]*
<<locked>>
83%
32329
51%
**56
90%
ADI AR 2219
<<locked>>
81%
46978
74%
**10
100%
Accurate 2015
<<locked>>
81%
40640
64%
**40
100%
[Accurate 2200]*
<<locked>>
81%
37971
59%
**74
92%
Accurate 2230
<<locked>>
81%
42163
66%
**82
96%
Accurate 2460
<<locked>>
81%
42293
66%
**99
98%
Accurate 2495
<<locked>>
81%
34766
54%
**87
99%
Accurate 2520
<<locked>>
81%
35824
56%
**00
97%
Accurate 4064
<<locked>>
81%
29240
46%
**36
96%
Alliant AR-Comp
<<locked>>
81%
35998
56%
**26
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
84%
35839
56%
**36
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
29109
46%
**20
91%
Alliant Reloder-10x
<<locked>>
81%
44280
69%
**18
100%
[Alliant Reloder-15]*
<<locked>>
81%
32126
50%
**95
90%
[Alliant Reloder-17]*
<<locked>>
88%
32213
50%
**38
90%
Alliant Reloder-7
<<locked>>
81%
53040
83%
**04
100%
Baschieri & Pellagri 106
<<locked>>
81%
46630
73%
**92
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
34708
54%
**54
91%
[Bofors RP3]*
<<locked>>
81%
28007
44%
**00
90%
Hodgdon BL-C2
<<locked>>
81%
35824
56%
**13
95%
Hodgdon Benchmark
<<locked>>
81%
40059
63%
**07
97%
Hodgdon CFE BLK
<<locked>>
81%
51547
81%
**87
99%
[Hodgdon CFE223]*
<<locked>>
85%
34925
55%
**84
90%
Hodgdon H322
<<locked>>
81%
39639
62%
**62
99%
Hodgdon H335
<<locked>>
81%
46311
73%
**94
99%
[Hodgdon H380]*
<<locked>>
86%
35520
56%
**71
90%
Hodgdon H4198
<<locked>>
81%
49313
77%
**54
100%
[Hodgdon H4895]*
<<locked>>
81%
35882
56%
**80
94%
[Hodgdon Hybrid 100V]*
<<locked>>
94%
31270
49%
**69
90%
[Hodgdon LVR]*
<<locked>>
94%
37231
58%
**40
90%
[Hodgdon VARGET]*
<<locked>>
83%
32140
50%
**56
90%
Hodgdon TrailBoss
<<locked>>
81%
25730
40%
**60
100%
IMR 3031
<<locked>>
81%
31589
50%
**25
98%
[IMR 4064]*
<<locked>>
83%
31691
50%
**39
90%
[IMR 4166 Enduron]*
<<locked>>
93%
44121
69%
**72
90%
IMR 4198
<<locked>>
81%
45179
71%
**95
100%
[IMR 4895]*
<<locked>>
81%
32343
51%
**18
91%
IMR 8208 XBR
<<locked>>
81%
37710
59%
**00
95%
Lovex D073.4
<<locked>>
81%
44106
69%
**18
98%
Lovex D073.5
<<locked>>
81%
41785
65%
**89
98%
Lovex D073.6
<<locked>>
81%
33533
53%
**48
96%
[Lovex S060]*
<<locked>>
81%
36782
58%
**21
93%
[Lovex S062]*
<<locked>>
81%
31314
49%
**49
93%
[Lovex S065]*
<<locked>>
94%
38551
60%
**10
90%
Norma 200
<<locked>>
81%
49937
78%
**87
100%
[Norma 201]*
<<locked>>
81%
34925
55%
**31
94%
Norma 202
<<locked>>
81%
34824
55%
**51
97%
[Norma 203B]*
<<locked>>
81%
31125
49%
**69
91%
[Ramshot Big Game]*
<<locked>>
82%
31952
50%
**98
90%
[Ramshot TAC]*
<<locked>>
81%
38348
60%
**87
90%
[Ramshot Wild Boar]*
<<locked>>
81%
36405
57%
**94
93%
Ramshot X-Terminator
<<locked>>
81%
41060
64%
**46
95%
ReloadSwiss RS 14
<<locked>>
81%
25846
41%
**03
100%
ReloadSwiss RS 40
<<locked>>
81%
42453
67%
**99
98%
[ReloadSwiss RS 50]*
<<locked>>
90%
41437
65%
**66
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
32982
52%
**77
90%
[ReloadSwiss RS 60]*
<<locked>>
81%
27673
43%
**07
90%
Rottweil R 901
<<locked>>
81%
38479
60%
**03
98%
[Rottweil R 902]*
<<locked>>
81%
33156
52%
**75
94%
[Rottweil R 903]*
<<locked>>
83%
28645
45%
**07
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
51953
81%
**31
100%
SNPE Vectan SP 10
<<locked>>
81%
47239
74%
**10
99%
[SNPE Vectan SP 11]*
<<locked>>
84%
31473
49%
**95
90%
[SNPE Vectan SP 7]*
<<locked>>
82%
36114
57%
**51
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
34258
54%
**31
92%
SNPE Vectan Tubal 3000
<<locked>>
81%
36883
58%
**21
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
29849
47%
**64
97%
[Shooters World Long Rifle]*
<<locked>>
94%
38551
60%
**10
90%
Shooters World Match Rifle
<<locked>>
81%
33533
53%
**48
96%
[Shooters World Precision]*
<<locked>>
81%
31314
49%
**49
93%
Shooters World Tactical Rifle
<<locked>>
81%
45136
71%
**15
97%
Somchem S321
<<locked>>
81%
40509
63%
**82
97%
Somchem S335
<<locked>>
81%
36071
57%
**18
98%
[Somchem S341]*
<<locked>>
81%
35259
55%
**44
92%
[Somchem S355]*
<<locked>>
82%
29153
46%
**07
90%
[Somchem S365]*
<<locked>>
92%
28558
45%
**46
90%
Vihtavuori N120
<<locked>>
81%
48370
76%
**82
100%
Vihtavuori N130
<<locked>>
81%
41307
65%
**13
100%
Vihtavuori N133
<<locked>>
81%
34287
54%
**79
99%
Vihtavuori N135
<<locked>>
81%
26716
42%
**38
96%
Vihtavuori N140
<<locked>>
81%
32329
51%
**72
97%
[Vihtavuori N150]*
<<locked>>
84%
25889
41%
**88
90%
[Vihtavuori N160]*
<<locked>>
92%
35679
56%
**77
90%
Vihtavuori N530
<<locked>>
81%
39508
62%
**49
96%
Vihtavuori N540
<<locked>>
81%
32068
50%
**89
96%
[Vihtavuori N550]*
<<locked>>
92%
35288
55%
**10
90%
[Winchester 6.5 StaBALL]*
<<locked>>
89%
31256
49%
**20
90%
Winchester 748
<<locked>>
81%
39117
61%
**89
97%
Winchester StaBALL Match
<<locked>>
81%
41800
65%
**25
96%

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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