top of page

Load data for 37XC + .376 | 257gr | Peregrine VRG-2

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, IMR 4350, Ramshot Hunter, ReloadSwiss RS 70

37XC + .376 | 257gr | Peregrine VRG-2

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.376 | 257gr | Peregrine VRG-2
Bullet Weight:
257gr | 16.7g
Bullet Diameter:
0.376" | 9.55mm
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_B8203_C453
Last updated:
2026-03-11
Recommended Twist Rate:
1:20 - 1:17

Load data for 204 loads in caliber 37XC with .376 | 257gr | Peregrine VRG-2 bullet and 102 powders such as Alliant Reloder-26, Hodgdon Superperformance, IMR 4350, Ramshot Hunter, ReloadSwiss RS 70. 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.

    .

    Loading_icon.gif

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>>
84%
62410
90%
**87
101%
ADI AR 2208
<<locked>>
88%
62569
90%
**43
100%
ADI AR 2209
<<locked>>
97%
58813
84%
**79
99%
ADI AR 2213
<<locked>>
97%
52765
76%
**20
97%
[ADI AR 2217]*
<<locked>>
97%
38334
55%
**08
92%
[ADI AR 2225]*
<<locked>>
97%
33968
49%
**52
94%
Accurate 2700
<<locked>>
89%
62250
89%
**04
100%
Accurate 3100
<<locked>>
97%
52199
75%
**35
100%
Accurate 4064
<<locked>>
86%
62250
89%
**97
100%
Accurate 4350
<<locked>>
93%
62062
89%
**92
100%
Accurate MAGPRO
<<locked>>
97%
51372
74%
**04
95%
Alliant Power Pro 2000-MR
<<locked>>
84%
62410
90%
**64
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
62221
89%
**36
100%
Alliant Reloder-15
<<locked>>
85%
62497
90%
**66
100%
Alliant Reloder-16
<<locked>>
95%
62207
89%
**41
100%
Alliant Reloder-17
<<locked>>
90%
62642
90%
**48
100%
Alliant Reloder-19
<<locked>>
97%
58363
84%
**76
99%
Alliant Reloder-22
<<locked>>
97%
51880
75%
**07
98%
Alliant Reloder-23
<<locked>>
97%
49240
71%
**51
100%
Alliant Reloder-25
<<locked>>
97%
42511
61%
**69
99%
Alliant Reloder-26 👍
<<locked>>
97%
57130
82%
**38
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52315
75%
**28
93%
Bofors RP15
<<locked>>
97%
47906
69%
**35
97%
Bofors RP3
<<locked>>
87%
62207
89%
**49
100%
[Bofors RP30]*
<<locked>>
97%
38856
56%
**77
93%
Bofors RP5
<<locked>>
97%
51880
75%
**07
98%
Bofors RP7
<<locked>>
91%
62149
89%
**49
100%
Hodgdon CFE223
<<locked>>
85%
62221
89%
**89
100%
[Hodgdon H1000]*
<<locked>>
97%
38334
55%
**08
92%
Hodgdon H380
<<locked>>
87%
62482
90%
**66
100%
Hodgdon H414
<<locked>>
89%
62352
90%
**22
100%
Hodgdon H4350
<<locked>>
97%
62453
90%
**66
100%
Hodgdon H4831
<<locked>>
97%
48776
70%
**95
95%
Hodgdon H4831 SC
<<locked>>
97%
55564
80%
**10
97%
Hodgdon Hybrid 100V
<<locked>>
97%
62352
90%
**53
100%
Hodgdon LVR
<<locked>>
92%
62221
89%
**99
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33968
49%
**52
94%
Hodgdon Superperformance 👍
<<locked>>
91%
62308
89%
**51
100%
Hodgdon VARGET
<<locked>>
89%
62569
90%
**43
100%
Hodgdon TrailBoss
<<locked>>
97%
35099
50%
**81
100%
IMR 3031
<<locked>>
85%
62613
90%
**07
100%
IMR 4064
<<locked>>
89%
62642
90%
**30
100%
IMR 4166 Enduron
<<locked>>
90%
62584
90%
**40
100%
IMR 4350 👍
<<locked>>
95%
62294
89%
**69
100%
IMR 4451 Enduron
<<locked>>
90%
62207
89%
**56
100%
IMR 4831
<<locked>>
97%
59234
85%
**36
100%
IMR 4895
<<locked>>
85%
62613
90%
**72
100%
IMR 4955 Enduron
<<locked>>
97%
54331
78%
**48
97%
IMR 7828 SSC
<<locked>>
97%
54273
78%
**49
97%
Lovex S060
<<locked>>
84%
62424
90%
**94
100%
Lovex S062
<<locked>>
87%
62569
90%
**17
100%
Lovex S065
<<locked>>
92%
62323
90%
**46
100%
Lovex S070
<<locked>>
94%
62569
90%
**69
100%
Lovex S071
<<locked>>
97%
43091
62%
**74
98%
Norma 201
<<locked>>
84%
62410
90%
**10
100%
Norma 202
<<locked>>
83%
62163
89%
**90
100%
Norma 203B
<<locked>>
86%
62236
89%
**66
100%
Norma 204
<<locked>>
94%
62424
90%
**09
99%
Norma MRP
<<locked>>
97%
55608
80%
**95
99%
Norma URP
<<locked>>
94%
62250
89%
**99
100%
Ramshot Big Game
<<locked>>
85%
62279
89%
**69
100%
Ramshot Grand
<<locked>>
97%
58523
84%
**31
98%
Ramshot Hunter 👍
<<locked>>
94%
62308
90%
**18
100%
Ramshot Magnum
<<locked>>
97%
50662
73%
**71
98%
ReloadSwiss RS 14
<<locked>>
97%
35621
51%
**21
100%
ReloadSwiss RS 50
<<locked>>
87%
62134
89%
**49
100%
ReloadSwiss RS 60
<<locked>>
88%
62642
90%
**35
100%
ReloadSwiss RS 62
<<locked>>
93%
62207
89%
**09
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
62598
90%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
41524
60%
**82
97%
Rottweil R 902
<<locked>>
85%
62613
90%
**00
100%
Rottweil R 903
<<locked>>
89%
62207
89%
**43
100%
Rottweil R 904
<<locked>>
97%
60814
87%
**56
98%
Rottweil R 905
<<locked>>
97%
57551
83%
**59
99%
Rottweil R 907
<<locked>>
91%
62149
89%
**49
100%
SNPE Vectan SP 11
<<locked>>
88%
62584
90%
**82
100%
SNPE Vectan SP 9
<<locked>>
84%
62352
90%
**40
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
62656
90%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
62250
89%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
62395
90%
**04
100%
Shooters World Long Rifle
<<locked>>
92%
62323
90%
**46
100%
Shooters World Precision
<<locked>>
87%
62569
90%
**17
100%
Somchem S335
<<locked>>
83%
62163
89%
**22
100%
Somchem S355
<<locked>>
89%
62439
90%
**43
100%
Somchem S361
<<locked>>
97%
62598
90%
**49
98%
Somchem S365
<<locked>>
96%
62439
90%
**95
100%
Somchem S385
<<locked>>
97%
58044
83%
**27
99%
Vihtavuori N133
<<locked>>
85%
62482
90%
**05
100%
Vihtavuori N135
<<locked>>
90%
62526
90%
**48
100%
Vihtavuori N140
<<locked>>
85%
62337
90%
**67
100%
Vihtavuori N150
<<locked>>
94%
62250
89%
**90
100%
Vihtavuori N160
<<locked>>
91%
62511
90%
**56
100%
Vihtavuori N165
<<locked>>
97%
48617
70%
**66
98%
Vihtavuori N540
<<locked>>
85%
62584
90%
**97
100%
Vihtavuori N550
<<locked>>
91%
62323
90%
**99
100%
Vihtavuori N555
<<locked>>
97%
55129
79%
**23
100%
Vihtavuori N560
<<locked>>
97%
52446
75%
**40
96%
[Vihtavuori N565]*
<<locked>>
97%
44135
63%
**69
94%
Winchester 6.5 StaBALL
<<locked>>
93%
62439
90%
**27
100%
Winchester 760
<<locked>>
89%
62352
90%
**22
100%
Winchester StaBALL HD
<<locked>>
97%
44802
64%
**00
100%
Winchester Supreme 780
<<locked>>
97%
60858
87%
**63
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59785
86%
**44
100%
ADI AR 2208
<<locked>>
81%
49966
72%
**59
100%
[ADI AR 2209]*
<<locked>>
81%
34519
50%
**07
92%
[ADI AR 2213]*
<<locked>>
85%
35172
51%
**39
90%
[ADI AR 2217]*
<<locked>>
95%
35404
51%
**33
90%
[ADI AR 2225]*
<<locked>>
93%
29530
42%
**21
90%
Accurate 2700
<<locked>>
81%
48095
69%
**84
98%
[Accurate 3100]*
<<locked>>
81%
29617
43%
**65
93%
Accurate 4064
<<locked>>
81%
52808
76%
**69
100%
Accurate 4350
<<locked>>
81%
40611
58%
**44
99%
[Accurate MAGPRO]*
<<locked>>
90%
39392
57%
**64
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
56521
81%
**86
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
50517
73%
**79
100%
Alliant Reloder-15
<<locked>>
81%
53940
77%
**51
100%
Alliant Reloder-16
<<locked>>
81%
39465
57%
**57
99%
Alliant Reloder-17
<<locked>>
81%
45455
65%
**85
100%
[Alliant Reloder-19]*
<<locked>>
81%
34258
49%
**03
92%
[Alliant Reloder-22]*
<<locked>>
82%
30603
44%
**44
90%
Alliant Reloder-23
<<locked>>
81%
28747
41%
**05
97%
[Alliant Reloder-25]*
<<locked>>
81%
25309
36%
**90
90%
Alliant Reloder-26
<<locked>>
81%
31053
45%
**20
96%
[Baschieri & Pellagri 109]*
<<locked>>
91%
43918
63%
**64
90%
[Bofors RP15]*
<<locked>>
84%
30937
44%
**54
90%
Bofors RP3
<<locked>>
81%
51097
73%
**89
100%
[Bofors RP30]*
<<locked>>
92%
32909
47%
**26
90%
[Bofors RP5]*
<<locked>>
82%
30603
44%
**44
90%
Bofors RP7
<<locked>>
81%
44556
64%
**64
97%
Hodgdon CFE223
<<locked>>
81%
53737
77%
**74
100%
[Hodgdon H1000]*
<<locked>>
95%
35404
51%
**33
90%
Hodgdon H380
<<locked>>
81%
51503
74%
**02
100%
Hodgdon H414
<<locked>>
81%
46702
67%
**72
98%
Hodgdon H4350
<<locked>>
81%
38159
55%
**46
95%
[Hodgdon H4831]*
<<locked>>
88%
35839
51%
**16
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
35839
51%
**16
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37086
53%
**52
99%
Hodgdon LVR
<<locked>>
81%
43540
63%
**03
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29530
42%
**21
90%
Hodgdon Superperformance
<<locked>>
81%
41945
60%
**13
97%
Hodgdon VARGET
<<locked>>
81%
49487
71%
**53
100%
Hodgdon TrailBoss
<<locked>>
81%
27760
40%
**27
100%
IMR 3031
<<locked>>
81%
55651
80%
**25
100%
IMR 4064
<<locked>>
81%
49008
70%
**36
100%
IMR 4166 Enduron
<<locked>>
81%
48080
69%
**10
98%
IMR 4350
<<locked>>
81%
40132
58%
**92
96%
IMR 4451 Enduron
<<locked>>
81%
46166
66%
**94
98%
IMR 4831
<<locked>>
81%
35302
51%
**13
98%
IMR 4895
<<locked>>
81%
55405
80%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
83%
34969
50%
**61
90%
[IMR 7828 SSC]*
<<locked>>
84%
35056
50%
**52
90%
Lovex S060
<<locked>>
81%
57406
82%
**31
100%
Lovex S062
<<locked>>
81%
52721
76%
**79
100%
Lovex S065
<<locked>>
81%
43352
62%
**41
99%
Lovex S070
<<locked>>
81%
41771
60%
**21
97%
[Lovex S071]*
<<locked>>
81%
25280
36%
**38
91%
Norma 201
<<locked>>
81%
57261
82%
**44
100%
Norma 202
<<locked>>
81%
58044
83%
**35
100%
Norma 203B
<<locked>>
81%
53403
77%
**38
100%
[Norma 204]*
<<locked>>
81%
39755
57%
**18
94%
[Norma MRP]*
<<locked>>
81%
31328
45%
**93
92%
Norma URP
<<locked>>
81%
40466
58%
**38
99%
Ramshot Big Game
<<locked>>
81%
54157
78%
**61
100%
[Ramshot Grand]*
<<locked>>
83%
34432
49%
**43
90%
Ramshot Hunter
<<locked>>
81%
39276
56%
**35
97%
[Ramshot Magnum]*
<<locked>>
83%
29834
43%
**05
90%
ReloadSwiss RS 14
<<locked>>
81%
28282
41%
**70
100%
ReloadSwiss RS 50
<<locked>>
81%
51401
74%
**89
99%
ReloadSwiss RS 60
<<locked>>
81%
48283
69%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
40669
58%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
39494
57%
**77
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29776
43%
**54
90%
Rottweil R 902
<<locked>>
81%
54534
78%
**99
100%
Rottweil R 903
<<locked>>
81%
48124
69%
**36
100%
[Rottweil R 904]*
<<locked>>
81%
35984
52%
**00
91%
[Rottweil R 905]*
<<locked>>
81%
33359
48%
**84
92%
Rottweil R 907
<<locked>>
81%
44556
64%
**64
97%
SNPE Vectan SP 11
<<locked>>
81%
49487
71%
**92
100%
SNPE Vectan SP 9
<<locked>>
81%
57188
82%
**71
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
57870
83%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49066
70%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42714
61%
**92
97%
Shooters World Long Rifle
<<locked>>
81%
43352
62%
**41
99%
Shooters World Precision
<<locked>>
81%
52721
76%
**79
100%
Somchem S335
<<locked>>
81%
57638
83%
**69
100%
Somchem S355
<<locked>>
81%
48240
69%
**40
100%
[Somchem S361]*
<<locked>>
81%
36419
52%
**84
91%
Somchem S365
<<locked>>
81%
36883
53%
**95
100%
[Somchem S385]*
<<locked>>
81%
33852
49%
**70
93%
Vihtavuori N133
<<locked>>
81%
54781
79%
**10
100%
Vihtavuori N135
<<locked>>
81%
46891
67%
**38
100%
Vihtavuori N140
<<locked>>
81%
54360
78%
**62
100%
Vihtavuori N150
<<locked>>
81%
41205
59%
**82
100%
Vihtavuori N160
<<locked>>
81%
43714
63%
**71
99%
[Vihtavuori N165]*
<<locked>>
82%
28877
41%
**36
90%
Vihtavuori N540
<<locked>>
81%
54172
78%
**89
100%
Vihtavuori N550
<<locked>>
81%
44295
64%
**20
99%
Vihtavuori N555
<<locked>>
81%
31966
46%
**77
97%
[Vihtavuori N560]*
<<locked>>
86%
35650
51%
**82
90%
[Vihtavuori N565]*
<<locked>>
90%
34418
49%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41162
59%
**12
100%
Winchester 760
<<locked>>
81%
46702
67%
**72
98%
Winchester StaBALL HD
<<locked>>
81%
25295
36%
**65
96%
[Winchester Supreme 780]*
<<locked>>
81%
33808
49%
**67
92%

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

bottom of page