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Load data for 37XC + .376 | 300gr | Peregrine VRG-1

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

37XC + .376 | 300gr | Peregrine VRG-1

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.376 | 300gr | Peregrine VRG-1
Bullet Weight:
300gr | 19.4g
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_B8210_C453
Last updated:
2026-03-11
Recommended Twist Rate:
1:17 - 1:14

Load data for 192 loads in caliber 37XC with .376 | 300gr | Peregrine VRG-1 bullet and 96 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, 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%
62323
90%
**00
100%
ADI AR 2208
<<locked>>
86%
62569
90%
**26
100%
ADI AR 2209 👍
<<locked>>
97%
62453
90%
**25
100%
ADI AR 2213
<<locked>>
97%
56405
81%
**82
99%
ADI AR 2217
<<locked>>
97%
41104
59%
**07
95%
ADI AR 2225
<<locked>>
97%
36434
52%
**61
97%
Accurate 2700
<<locked>>
87%
62482
90%
**00
100%
Accurate 3100
<<locked>>
97%
55753
80%
**87
100%
Accurate 4064
<<locked>>
84%
62294
89%
**77
100%
Accurate 4350
<<locked>>
91%
62482
90%
**76
100%
Accurate MAGPRO
<<locked>>
97%
55419
80%
**79
97%
Alliant Reloder- TS 15.5
<<locked>>
86%
62265
89%
**26
100%
Alliant Reloder-15
<<locked>>
84%
62120
89%
**43
100%
Alliant Reloder-16
<<locked>>
93%
62134
89%
**15
100%
Alliant Reloder-17
<<locked>>
88%
62192
89%
**15
100%
Alliant Reloder-19 👍
<<locked>>
97%
61975
89%
**12
100%
Alliant Reloder-22
<<locked>>
97%
56086
81%
**76
100%
Alliant Reloder-23
<<locked>>
97%
53345
77%
**03
100%
Alliant Reloder-25
<<locked>>
97%
45876
66%
**44
100%
Alliant Reloder-26 👍
<<locked>>
97%
62352
90%
**94
100%
Baschieri & Pellagri 109
<<locked>>
97%
55332
79%
**97
96%
Bofors RP15
<<locked>>
97%
51663
74%
**03
99%
Bofors RP3
<<locked>>
85%
62497
90%
**30
100%
Bofors RP30
<<locked>>
97%
41858
60%
**69
96%
Bofors RP5
<<locked>>
97%
56086
81%
**76
100%
Bofors RP7
<<locked>>
90%
62569
90%
**46
100%
Hodgdon CFE223
<<locked>>
83%
62149
89%
**79
100%
Hodgdon H1000
<<locked>>
97%
41104
59%
**07
95%
Hodgdon H380
<<locked>>
85%
62265
89%
**49
100%
Hodgdon H414
<<locked>>
87%
62453
90%
**05
100%
Hodgdon H4350
<<locked>>
95%
62468
90%
**59
100%
Hodgdon H4831
<<locked>>
97%
52228
75%
**61
97%
Hodgdon H4831 SC
<<locked>>
97%
59321
85%
**62
99%
Hodgdon Hybrid 100V
<<locked>>
95%
62482
90%
**36
100%
Hodgdon LVR
<<locked>>
90%
62279
89%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
36434
52%
**61
97%
Hodgdon Superperformance
<<locked>>
89%
62192
89%
**35
100%
Hodgdon VARGET
<<locked>>
87%
62569
90%
**26
100%
Hodgdon TrailBoss
<<locked>>
97%
35317
51%
**37
100%
IMR 4064
<<locked>>
87%
62265
89%
**10
100%
IMR 4166 Enduron
<<locked>>
88%
62163
89%
**23
100%
IMR 4350
<<locked>>
93%
62497
90%
**59
100%
IMR 4451 Enduron
<<locked>>
89%
62642
90%
**53
100%
IMR 4831
<<locked>>
96%
62047
89%
**56
100%
IMR 4955 Enduron
<<locked>>
97%
57435
83%
**03
98%
IMR 7828 SSC
<<locked>>
97%
58465
84%
**22
99%
Lovex S062
<<locked>>
85%
62540
90%
**03
100%
Lovex S065
<<locked>>
91%
62221
89%
**30
100%
Lovex S070
<<locked>>
92%
62540
90%
**66
100%
Lovex S071
<<locked>>
97%
46557
67%
**52
100%
Norma 203B
<<locked>>
84%
62526
90%
**40
100%
Norma 204
<<locked>>
92%
62627
90%
**99
100%
Norma 217
<<locked>>
97%
32111
46%
**85
95%
Norma MRP 👍
<<locked>>
97%
60133
86%
**54
100%
Norma URP
<<locked>>
92%
62526
90%
**85
100%
Ramshot Big Game
<<locked>>
83%
62192
89%
**46
100%
Ramshot Grand
<<locked>>
96%
62134
89%
**77
100%
Ramshot Hunter
<<locked>>
92%
62308
89%
**02
100%
Ramshot Magnum
<<locked>>
97%
55027
79%
**43
100%
ReloadSwiss RS 14
<<locked>>
97%
35955
52%
**77
100%
ReloadSwiss RS 50
<<locked>>
85%
62308
89%
**43
100%
ReloadSwiss RS 60
<<locked>>
86%
62047
89%
**02
100%
ReloadSwiss RS 62
<<locked>>
91%
62250
89%
**99
100%
ReloadSwiss RS 70
<<locked>>
92%
62178
89%
**51
100%
ReloadSwiss RS 76
<<locked>>
97%
44962
65%
**87
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40074
58%
**56
94%
Rottweil R 902
<<locked>>
84%
62395
90%
**80
100%
Rottweil R 903
<<locked>>
87%
62410
90%
**26
100%
Rottweil R 904
<<locked>>
96%
62134
89%
**76
99%
Rottweil R 905 👍
<<locked>>
97%
61728
89%
**08
100%
Rottweil R 907
<<locked>>
90%
62569
90%
**46
100%
SNPE Vectan SP 11
<<locked>>
86%
62149
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
62482
90%
**98
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
62540
90%
**00
100%
Shooters World Long Rifle
<<locked>>
91%
62221
89%
**30
100%
Shooters World Precision
<<locked>>
85%
62540
90%
**03
100%
Somchem S355
<<locked>>
87%
62656
90%
**23
100%
Somchem S361
<<locked>>
95%
62062
89%
**43
99%
Somchem S365
<<locked>>
94%
62163
89%
**76
100%
Somchem S385
<<locked>>
97%
61946
89%
**82
100%
Vihtavuori N133
<<locked>>
84%
62468
90%
**89
100%
Vihtavuori N135
<<locked>>
88%
62207
89%
**25
100%
Vihtavuori N140
<<locked>>
84%
62497
90%
**48
100%
Vihtavuori N150
<<locked>>
92%
62221
89%
**80
100%
Vihtavuori N160
<<locked>>
90%
62424
90%
**46
100%
Vihtavuori N165
<<locked>>
97%
52170
75%
**28
99%
Vihtavuori N540
<<locked>>
84%
62439
90%
**74
100%
Vihtavuori N550
<<locked>>
89%
62236
89%
**85
100%
Vihtavuori N555
<<locked>>
97%
59205
85%
**69
100%
Vihtavuori N560
<<locked>>
97%
56173
81%
**95
98%
Vihtavuori N565
<<locked>>
97%
48022
69%
**51
97%
[Vihtavuori N568]*
<<locked>>
97%
41539
60%
**66
93%
Winchester 6.5 StaBALL
<<locked>>
91%
62395
90%
**13
100%
Winchester 760
<<locked>>
87%
62453
90%
**05
100%
Winchester StaBALL HD
<<locked>>
97%
49908
72%
**62
100%
Winchester Supreme 780
<<locked>>
96%
62584
90%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60104
86%
**70
101%
ADI AR 2208
<<locked>>
81%
52750
76%
**92
100%
ADI AR 2209
<<locked>>
81%
36970
53%
**95
95%
[ADI AR 2213]*
<<locked>>
81%
32764
47%
**20
91%
[ADI AR 2217]*
<<locked>>
88%
30980
44%
**64
90%
[ADI AR 2225]*
<<locked>>
87%
26049
37%
**62
90%
Accurate 2700
<<locked>>
81%
50923
73%
**39
99%
Accurate 3100
<<locked>>
81%
32271
46%
**70
97%
Accurate 4064
<<locked>>
81%
56231
81%
**02
100%
Accurate 4350
<<locked>>
81%
43918
63%
**20
100%
[Accurate MAGPRO]*
<<locked>>
84%
34606
50%
**85
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53809
77%
**18
100%
Alliant Reloder-15
<<locked>>
81%
57319
82%
**80
100%
Alliant Reloder-16
<<locked>>
81%
42395
61%
**26
100%
Alliant Reloder-17
<<locked>>
81%
48994
70%
**38
100%
Alliant Reloder-19
<<locked>>
81%
36840
53%
**92
95%
[Alliant Reloder-22]*
<<locked>>
81%
32372
46%
**23
93%
Alliant Reloder-23
<<locked>>
81%
31241
45%
**00
99%
[Alliant Reloder-25]*
<<locked>>
81%
27238
39%
**08
94%
Alliant Reloder-26
<<locked>>
81%
33736
48%
**18
98%
[Baschieri & Pellagri 109]*
<<locked>>
85%
38595
55%
**85
90%
[Bofors RP15]*
<<locked>>
81%
30211
43%
**70
92%
Bofors RP3
<<locked>>
81%
54462
78%
**28
100%
[Bofors RP30]*
<<locked>>
86%
29109
42%
**67
90%
[Bofors RP5]*
<<locked>>
81%
32372
46%
**23
93%
Bofors RP7
<<locked>>
81%
47282
68%
**23
99%
Hodgdon CFE223
<<locked>>
81%
57334
82%
**10
100%
[Hodgdon H1000]*
<<locked>>
88%
30980
44%
**64
90%
Hodgdon H380
<<locked>>
81%
54752
79%
**48
100%
Hodgdon H414
<<locked>>
81%
50024
72%
**38
100%
Hodgdon H4350
<<locked>>
81%
40857
59%
**21
98%
[Hodgdon H4831]*
<<locked>>
82%
31589
45%
**47
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34345
49%
**13
92%
Hodgdon Hybrid 100V
<<locked>>
81%
39871
57%
**15
100%
Hodgdon LVR
<<locked>>
81%
46702
67%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
87%
26049
37%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
45455
65%
**89
99%
Hodgdon VARGET
<<locked>>
81%
52344
75%
**89
100%
Hodgdon TrailBoss
<<locked>>
81%
27978
40%
**96
100%
IMR 4064
<<locked>>
81%
51779
74%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
50720
73%
**56
100%
IMR 4350
<<locked>>
81%
42801
61%
**61
98%
IMR 4451 Enduron
<<locked>>
81%
48921
70%
**49
99%
IMR 4831
<<locked>>
81%
38014
55%
**88
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34954
50%
**03
92%
[IMR 7828 SSC]*
<<locked>>
81%
33489
48%
**49
92%
Lovex S062
<<locked>>
81%
55666
80%
**15
100%
Lovex S065
<<locked>>
81%
46238
66%
**03
100%
Lovex S070
<<locked>>
81%
44498
64%
**87
99%
[Lovex S071]*
<<locked>>
81%
27688
40%
**52
94%
Norma 203B
<<locked>>
81%
56652
81%
**74
100%
Norma 204
<<locked>>
81%
42685
61%
**97
97%
[Norma 217]*
<<locked>>
91%
26107
38%
**01
90%
Norma MRP
<<locked>>
81%
33808
49%
**95
96%
Norma URP
<<locked>>
81%
43439
62%
**07
100%
Ramshot Big Game
<<locked>>
81%
57798
83%
**94
100%
[Ramshot Grand]*
<<locked>>
81%
34519
50%
**88
93%
Ramshot Hunter
<<locked>>
81%
42293
61%
**00
99%
[Ramshot Magnum]*
<<locked>>
81%
29718
43%
**54
93%
ReloadSwiss RS 14
<<locked>>
81%
28601
41%
**32
100%
ReloadSwiss RS 50
<<locked>>
81%
54462
78%
**35
100%
ReloadSwiss RS 60
<<locked>>
81%
52025
75%
**77
100%
ReloadSwiss RS 62
<<locked>>
81%
43932
63%
**36
100%
ReloadSwiss RS 70
<<locked>>
81%
42366
61%
**52
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
26339
38%
**98
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
33243
48%
**95
90%
Rottweil R 902
<<locked>>
81%
57580
83%
**21
100%
Rottweil R 903
<<locked>>
81%
51358
74%
**79
100%
[Rottweil R 904]*
<<locked>>
81%
38435
55%
**79
94%
Rottweil R 905
<<locked>>
81%
36056
52%
**75
95%
Rottweil R 907
<<locked>>
81%
47282
68%
**23
99%
SNPE Vectan SP 11
<<locked>>
81%
52866
76%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51982
75%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45107
65%
**48
99%
Shooters World Long Rifle
<<locked>>
81%
46238
66%
**03
100%
Shooters World Precision
<<locked>>
81%
55666
80%
**15
100%
Somchem S355
<<locked>>
81%
51271
74%
**72
100%
[Somchem S361]*
<<locked>>
81%
38972
56%
**72
94%
Somchem S365
<<locked>>
81%
40132
58%
**64
100%
Somchem S385
<<locked>>
81%
36463
52%
**56
96%
Vihtavuori N133
<<locked>>
81%
57551
83%
**26
100%
Vihtavuori N135
<<locked>>
81%
49690
71%
**70
100%
Vihtavuori N140
<<locked>>
81%
57711
83%
**92
100%
Vihtavuori N150
<<locked>>
81%
44063
63%
**34
100%
Vihtavuori N160
<<locked>>
81%
46789
67%
**30
100%
[Vihtavuori N165]*
<<locked>>
81%
30574
44%
**15
93%
Vihtavuori N540
<<locked>>
81%
57174
82%
**12
100%
Vihtavuori N550
<<locked>>
81%
47355
68%
**79
100%
Vihtavuori N555
<<locked>>
81%
34896
50%
**72
99%
[Vihtavuori N560]*
<<locked>>
81%
32764
47%
**39
91%
[Vihtavuori N565]*
<<locked>>
84%
30589
44%
**80
90%
[Vihtavuori N568]*
<<locked>>
92%
34679
50%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44077
63%
**70
100%
Winchester 760
<<locked>>
81%
50024
72%
**38
100%
Winchester StaBALL HD
<<locked>>
81%
26107
37%
**97
99%
Winchester Supreme 780
<<locked>>
81%
36390
52%
**59
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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