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Load data for 37XC + .375 | 300gr | Nosler Solid

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma 204, Norma MRP, Rottweil R 905

37XC + .375 | 300gr | Nosler Solid

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Nosler Solid
Manufacturer SKU:
28451
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
37XC load data
Case Length (l3):
3.087" | 78.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
139.8 Grains of Water | 9.08 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
69618 psi | 4800 bar
LID:
LID_B4186_C453
Last updated:
2026-03-11

Load data for 188 loads in caliber 37XC with .375 | 300gr | Nosler Solid bullet and 94 powders such as ADI AR 2209, Alliant Reloder-19, Norma 204, Norma MRP, Rottweil R 905. 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".

  • No data yet

  • 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 APS 450
<<locked>>
83%
62134
89%
**93
100%
ADI AR 2208
<<locked>>
86%
62308
90%
**17
100%
ADI AR 2209 👍
<<locked>>
96%
62366
90%
**18
100%
ADI AR 2213
<<locked>>
97%
57595
83%
**95
99%
ADI AR 2217
<<locked>>
97%
41930
60%
**20
96%
ADI AR 2225
<<locked>>
97%
37202
53%
**74
97%
Accurate 2700
<<locked>>
87%
62497
90%
**94
100%
Accurate 3100
<<locked>>
97%
57203
82%
**00
100%
Accurate 4064
<<locked>>
84%
62540
90%
**74
100%
Accurate 4350
<<locked>>
91%
62642
90%
**79
100%
Accurate MAGPRO
<<locked>>
97%
56869
82%
**99
97%
Alliant Reloder- TS 15.5
<<locked>>
85%
62540
90%
**23
100%
Alliant Reloder-15
<<locked>>
83%
62584
90%
**49
100%
Alliant Reloder-16
<<locked>>
92%
62105
89%
**08
100%
Alliant Reloder-17
<<locked>>
87%
62352
90%
**12
100%
Alliant Reloder-19 👍
<<locked>>
97%
62555
90%
**22
100%
Alliant Reloder-22
<<locked>>
97%
57116
82%
**82
100%
Alliant Reloder-23
<<locked>>
97%
54375
78%
**07
100%
Alliant Reloder-25
<<locked>>
97%
47137
68%
**64
100%
Alliant Reloder-26
<<locked>>
97%
62584
90%
**94
100%
Baschieri & Pellagri 109
<<locked>>
97%
55782
80%
**97
96%
Bofors RP15
<<locked>>
97%
52315
75%
**10
99%
Bofors RP3
<<locked>>
84%
62134
89%
**17
100%
Bofors RP30
<<locked>>
97%
43236
62%
**92
97%
Bofors RP5
<<locked>>
97%
57116
82%
**82
100%
Bofors RP7
<<locked>>
89%
62642
90%
**40
100%
Hodgdon H1000
<<locked>>
97%
41930
60%
**20
96%
Hodgdon H380
<<locked>>
85%
62555
90%
**49
100%
Hodgdon H414
<<locked>>
87%
62337
90%
**99
100%
Hodgdon H4350
<<locked>>
94%
62598
90%
**59
100%
Hodgdon H4831
<<locked>>
97%
52982
76%
**67
98%
Hodgdon H4831 SC
<<locked>>
97%
60379
87%
**69
99%
Hodgdon Hybrid 100V
<<locked>>
94%
62627
90%
**33
100%
Hodgdon LVR
<<locked>>
89%
62265
89%
**72
100%
Hodgdon Retumbo
<<locked>>
97%
37202
53%
**74
97%
Hodgdon Superperformance
<<locked>>
89%
62410
90%
**38
100%
Hodgdon VARGET
<<locked>>
86%
62308
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
35476
51%
**34
100%
IMR 4064
<<locked>>
87%
62584
90%
**07
100%
IMR 4166 Enduron
<<locked>>
87%
62381
90%
**13
100%
IMR 4350
<<locked>>
92%
62381
90%
**53
100%
IMR 4451 Enduron
<<locked>>
88%
62468
90%
**43
100%
IMR 4831
<<locked>>
96%
62497
90%
**59
100%
IMR 4955 Enduron
<<locked>>
97%
58494
84%
**17
99%
IMR 7828 SSC
<<locked>>
97%
59480
85%
**35
99%
[IMR 8133 Enduron]*
<<locked>>
97%
33243
48%
**79
92%
Lovex S062
<<locked>>
84%
62497
90%
**94
100%
Lovex S065
<<locked>>
90%
62598
90%
**30
100%
Lovex S070
<<locked>>
91%
62221
89%
**56
100%
Lovex S071
<<locked>>
97%
48008
69%
**62
100%
Norma 203B
<<locked>>
84%
62540
90%
**40
100%
Norma 204 👍
<<locked>>
91%
62062
89%
**89
100%
Norma 217
<<locked>>
97%
33141
48%
**05
95%
Norma MRP 👍
<<locked>>
97%
61279
88%
**64
100%
Norma URP
<<locked>>
91%
62207
89%
**76
100%
Ramshot Grand
<<locked>>
96%
62453
90%
**81
100%
Ramshot Hunter
<<locked>>
92%
62265
89%
**95
100%
Ramshot Magnum
<<locked>>
97%
55927
80%
**53
100%
ReloadSwiss RS 14
<<locked>>
97%
36158
52%
**73
100%
ReloadSwiss RS 50
<<locked>>
85%
62134
89%
**33
100%
ReloadSwiss RS 60
<<locked>>
86%
62642
90%
**02
100%
ReloadSwiss RS 62
<<locked>>
90%
62236
89%
**89
100%
ReloadSwiss RS 70
<<locked>>
91%
61859
89%
**38
100%
ReloadSwiss RS 76
<<locked>>
97%
46050
66%
**00
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
41133
59%
**72
94%
Rottweil R 902
<<locked>>
83%
62323
90%
**77
100%
Rottweil R 903
<<locked>>
86%
62613
90%
**20
100%
Rottweil R 904
<<locked>>
96%
62642
90%
**76
99%
Rottweil R 905 👍
<<locked>>
97%
62062
89%
**12
100%
Rottweil R 907
<<locked>>
89%
62642
90%
**40
100%
SNPE Vectan SP 11
<<locked>>
85%
62250
89%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
62178
89%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
62468
90%
**94
100%
Shooters World Long Rifle
<<locked>>
90%
62598
90%
**30
100%
Shooters World Precision
<<locked>>
84%
62497
90%
**94
100%
Somchem S355
<<locked>>
87%
62439
90%
**20
100%
Somchem S361
<<locked>>
94%
62337
90%
**46
99%
Somchem S365
<<locked>>
93%
62149
89%
**72
100%
Somchem S385
<<locked>>
96%
62250
89%
**69
100%
Vihtavuori N133
<<locked>>
83%
62323
90%
**75
100%
Vihtavuori N135
<<locked>>
88%
62250
89%
**21
100%
Vihtavuori N150
<<locked>>
92%
62424
90%
**71
100%
Vihtavuori N160
<<locked>>
89%
62410
90%
**40
100%
Vihtavuori N165
<<locked>>
97%
52837
76%
**31
99%
Vihtavuori N540
<<locked>>
83%
62439
90%
**67
100%
Vihtavuori N550
<<locked>>
89%
62294
89%
**76
100%
Vihtavuori N555
<<locked>>
97%
60582
87%
**79
100%
Vihtavuori N560
<<locked>>
97%
57580
83%
**15
99%
Vihtavuori N565
<<locked>>
97%
49081
70%
**71
97%
[Vihtavuori N568]*
<<locked>>
97%
42699
61%
**89
94%
Winchester 6.5 StaBALL
<<locked>>
91%
62598
90%
**07
100%
Winchester 760
<<locked>>
87%
62337
90%
**99
100%
Winchester StaBALL HD
<<locked>>
97%
51010
73%
**79
100%
Winchester Supreme 780
<<locked>>
95%
62105
89%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59930
86%
**67
100%
ADI AR 2208
<<locked>>
81%
53635
77%
**05
100%
ADI AR 2209
<<locked>>
81%
37826
54%
**15
96%
[ADI AR 2213]*
<<locked>>
81%
33765
48%
**39
92%
[ADI AR 2217]*
<<locked>>
88%
31154
45%
**57
90%
[ADI AR 2225]*
<<locked>>
86%
26092
37%
**59
90%
Accurate 2700
<<locked>>
81%
51909
75%
**52
99%
Accurate 3100
<<locked>>
81%
33576
48%
**90
97%
Accurate 4064
<<locked>>
81%
57609
83%
**15
100%
Accurate 4350
<<locked>>
81%
45252
65%
**36
100%
[Accurate MAGPRO]*
<<locked>>
83%
34563
50%
**75
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
54549
78%
**21
100%
Alliant Reloder-15
<<locked>>
81%
58291
84%
**90
100%
Alliant Reloder-16
<<locked>>
81%
43395
62%
**39
100%
Alliant Reloder-17
<<locked>>
81%
49995
72%
**44
100%
Alliant Reloder-19
<<locked>>
81%
37782
54%
**05
96%
[Alliant Reloder-22]*
<<locked>>
81%
33576
48%
**49
94%
Alliant Reloder-23
<<locked>>
81%
32213
46%
**23
99%
Alliant Reloder-25
<<locked>>
81%
28181
40%
**28
95%
Alliant Reloder-26
<<locked>>
81%
34998
50%
**48
99%
[Baschieri & Pellagri 109]*
<<locked>>
85%
38841
56%
**82
90%
[Bofors RP15]*
<<locked>>
81%
31328
45%
**90
93%
Bofors RP3
<<locked>>
81%
55680
80%
**35
100%
[Bofors RP30]*
<<locked>>
85%
29109
42%
**54
90%
[Bofors RP5]*
<<locked>>
81%
33576
48%
**49
94%
Bofors RP7
<<locked>>
81%
48399
70%
**30
99%
[Hodgdon H1000]*
<<locked>>
88%
31154
45%
**57
90%
Hodgdon H380
<<locked>>
81%
55666
80%
**54
100%
Hodgdon H414
<<locked>>
81%
51039
73%
**44
100%
Hodgdon H4350
<<locked>>
81%
41452
60%
**28
98%
[Hodgdon H4831]*
<<locked>>
81%
31923
46%
**54
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35375
51%
**33
92%
Hodgdon Hybrid 100V
<<locked>>
81%
40886
59%
**31
100%
Hodgdon LVR
<<locked>>
81%
47834
69%
**75
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26092
37%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
46325
67%
**02
99%
Hodgdon VARGET
<<locked>>
81%
53214
76%
**98
100%
Hodgdon TrailBoss
<<locked>>
81%
28094
40%
**93
100%
IMR 4064
<<locked>>
81%
52750
76%
**82
100%
IMR 4166 Enduron
<<locked>>
81%
51256
74%
**59
100%
IMR 4350
<<locked>>
81%
43700
63%
**70
98%
IMR 4451 Enduron
<<locked>>
81%
49777
71%
**62
99%
IMR 4831
<<locked>>
81%
39001
56%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35737
51%
**13
93%
[IMR 7828 SSC]*
<<locked>>
81%
34360
49%
**62
92%
[IMR 8133 Enduron]*
<<locked>>
94%
30487
44%
**06
90%
Lovex S062
<<locked>>
81%
56739
82%
**18
100%
Lovex S065
<<locked>>
81%
47123
68%
**13
100%
Lovex S070
<<locked>>
81%
45484
65%
**07
99%
Lovex S071
<<locked>>
81%
28979
42%
**78
95%
Norma 203B
<<locked>>
81%
57783
83%
**77
100%
Norma 204
<<locked>>
81%
43671
63%
**10
97%
[Norma 217]*
<<locked>>
89%
26136
38%
**98
90%
Norma MRP
<<locked>>
81%
34998
50%
**11
96%
Norma URP
<<locked>>
81%
44512
64%
**16
100%
[Ramshot Grand]*
<<locked>>
81%
35418
51%
**02
93%
Ramshot Hunter
<<locked>>
81%
43265
62%
**13
99%
[Ramshot Magnum]*
<<locked>>
81%
30879
44%
**77
93%
ReloadSwiss RS 14
<<locked>>
81%
28790
41%
**29
100%
ReloadSwiss RS 50
<<locked>>
81%
55608
80%
**48
100%
ReloadSwiss RS 60
<<locked>>
81%
53055
76%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
45034
65%
**46
100%
ReloadSwiss RS 70
<<locked>>
81%
43308
62%
**62
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26426
38%
**92
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
33547
48%
**92
90%
Rottweil R 902
<<locked>>
81%
58581
84%
**31
100%
Rottweil R 903
<<locked>>
81%
52475
75%
**89
100%
Rottweil R 904
<<locked>>
81%
39291
56%
**98
95%
Rottweil R 905
<<locked>>
81%
36956
53%
**92
96%
Rottweil R 907
<<locked>>
81%
48399
70%
**30
99%
SNPE Vectan SP 11
<<locked>>
81%
53838
77%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52866
76%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46180
66%
**67
99%
Shooters World Long Rifle
<<locked>>
81%
47123
68%
**13
100%
Shooters World Precision
<<locked>>
81%
56739
82%
**18
100%
Somchem S355
<<locked>>
81%
52228
75%
**82
100%
[Somchem S361]*
<<locked>>
81%
39856
57%
**79
94%
Somchem S365
<<locked>>
81%
41321
59%
**80
100%
Somchem S385
<<locked>>
81%
37681
54%
**79
97%
Vihtavuori N133
<<locked>>
81%
58421
84%
**33
100%
Vihtavuori N135
<<locked>>
81%
50879
73%
**84
100%
Vihtavuori N150
<<locked>>
81%
44875
64%
**41
100%
Vihtavuori N160
<<locked>>
81%
47950
69%
**39
100%
[Vihtavuori N165]*
<<locked>>
81%
31705
46%
**38
94%
Vihtavuori N540
<<locked>>
81%
58276
84%
**18
100%
Vihtavuori N550
<<locked>>
81%
48327
69%
**82
100%
Vihtavuori N555
<<locked>>
81%
36085
52%
**95
99%
[Vihtavuori N560]*
<<locked>>
81%
33634
48%
**59
91%
[Vihtavuori N565]*
<<locked>>
83%
30501
44%
**77
90%
[Vihtavuori N568]*
<<locked>>
91%
34679
50%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44802
64%
**80
100%
Winchester 760
<<locked>>
81%
51039
73%
**44
100%
Winchester StaBALL HD
<<locked>>
81%
27282
39%
**33
100%
Winchester Supreme 780
<<locked>>
81%
37347
54%
**72
95%

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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