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Load data for .375 Rem. Ultra Mag + .376 | 300gr | Peregrine VRG-3

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.375 Rem. Ultra Mag + .376 | 300gr | Peregrine VRG-3

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.376 | 300gr | Peregrine VRG-3
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.376" | 9.55mm
Bullet Length:
1.413" | 35.9mm
Caliber:
.375 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.717" | 18.2mm
Shank Seated Depth:
0.473" | 12.0mm
Case Capacity:
117.0 Grains of Water | 7.60 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B8211_C557
Last updated:
2025-01-01
Recommended Twist Rate:
1:17 - 1:14

Load data for 172 loads in caliber .375 Rem. Ultra Mag with .376 | 300gr | Peregrine VRG-3 bullet and 86 powders such as Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, 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".

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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 2208
<<locked>>
88%
57276
90%
**43
100%
ADI AR 2209
<<locked>>
97%
52852
83%
**69
98%
ADI AR 2213
<<locked>>
97%
47326
74%
**10
96%
Accurate 2700
<<locked>>
89%
56898
89%
**00
99%
Accurate 3100
<<locked>>
97%
45788
72%
**34
99%
Accurate 4064
<<locked>>
86%
57421
90%
**13
100%
Accurate 4350
<<locked>>
94%
56710
89%
**02
100%
[Accurate MAGPRO]*
<<locked>>
97%
44904
70%
**93
93%
Alliant Reloder- TS 15.5
<<locked>>
88%
56971
89%
**49
100%
Alliant Reloder-15
<<locked>>
85%
57174
90%
**69
100%
Alliant Reloder-16
<<locked>>
95%
57116
90%
**44
100%
Alliant Reloder-17
<<locked>>
91%
57363
90%
**54
100%
Alliant Reloder-19
<<locked>>
97%
51953
81%
**59
98%
Alliant Reloder-22
<<locked>>
97%
46035
72%
**10
97%
Alliant Reloder-23
<<locked>>
97%
43381
68%
**61
100%
Alliant Reloder-25
<<locked>>
97%
37927
59%
**82
98%
Alliant Reloder-26
<<locked>>
97%
49284
77%
**25
100%
Hodgdon CFE223
<<locked>>
85%
56826
89%
**95
100%
Hodgdon H380
<<locked>>
87%
56869
89%
**66
100%
Hodgdon H414 👍
<<locked>>
90%
57029
89%
**21
100%
Hodgdon H4350
<<locked>>
97%
57319
90%
**72
99%
[Hodgdon H4831]*
<<locked>>
97%
43903
69%
**02
94%
Hodgdon H4831 SC
<<locked>>
97%
49792
78%
**97
95%
Hodgdon Hybrid 100V
<<locked>>
97%
56695
89%
**66
100%
Hodgdon LVR
<<locked>>
92%
56898
89%
**02
100%
Hodgdon Superperformance 👍
<<locked>>
92%
57334
90%
**57
100%
Hodgdon VARGET
<<locked>>
88%
57000
89%
**43
100%
IMR 3031
<<locked>>
85%
57087
89%
**20
100%
IMR 4064
<<locked>>
89%
57174
90%
**33
100%
IMR 4166 Enduron
<<locked>>
89%
57188
90%
**30
100%
IMR 4350
<<locked>>
95%
57406
90%
**75
99%
IMR 4451 Enduron
<<locked>>
90%
56913
89%
**49
99%
IMR 4831
<<locked>>
97%
52866
83%
**36
100%
IMR 4895
<<locked>>
85%
57421
90%
**79
100%
IMR 4955 Enduron
<<locked>>
97%
49269
77%
**61
96%
IMR 7828 SSC
<<locked>>
97%
48617
76%
**43
96%
Lovex S060
<<locked>>
83%
57377
90%
**00
100%
Lovex S062
<<locked>>
86%
57188
90%
**26
100%
Lovex S065
<<locked>>
93%
57290
90%
**52
100%
Lovex S070
<<locked>>
94%
57377
90%
**72
100%
Lovex S071
<<locked>>
97%
38566
60%
**13
97%
Norma 201
<<locked>>
84%
57406
90%
**16
100%
Norma 202
<<locked>>
83%
57116
90%
**03
100%
Norma 203B
<<locked>>
86%
57072
89%
**62
100%
Norma 204
<<locked>>
94%
57217
90%
**05
99%
Norma MRP
<<locked>>
97%
48515
76%
**75
99%
Norma URP
<<locked>>
95%
57072
89%
**05
100%
Ramshot Big Game
<<locked>>
86%
57348
90%
**79
100%
Ramshot Hunter 👍
<<locked>>
95%
57203
90%
**28
100%
Ramshot Magnum
<<locked>>
97%
44599
70%
**61
97%
ReloadSwiss RS 50
<<locked>>
87%
57246
90%
**52
100%
ReloadSwiss RS 52
<<locked>>
86%
56855
89%
**75
100%
ReloadSwiss RS 60
<<locked>>
92%
57217
90%
**71
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57087
89%
**28
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
56971
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
36811
58%
**85
95%
Rottweil R 902
<<locked>>
85%
56927
89%
**03
100%
Rottweil R 903
<<locked>>
89%
56956
89%
**46
100%
Rottweil R 904
<<locked>>
97%
54737
86%
**46
97%
Rottweil R 905
<<locked>>
97%
51039
80%
**43
98%
Rottweil R 907
<<locked>>
91%
57116
89%
**52
99%
SNPE Vectan SP 11
<<locked>>
88%
57261
90%
**89
100%
SNPE Vectan SP 9
<<locked>>
84%
57348
90%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
56855
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57145
90%
**10
100%
Shooters World Long Rifle
<<locked>>
93%
57290
90%
**52
100%
Shooters World Precision
<<locked>>
86%
57188
90%
**26
100%
Somchem S335
<<locked>>
83%
57203
90%
**41
100%
Somchem S355
<<locked>>
89%
57232
90%
**49
100%
Somchem S361
<<locked>>
97%
56304
88%
**33
97%
Somchem S365
<<locked>>
97%
56492
89%
**08
100%
Somchem S385
<<locked>>
97%
51996
81%
**30
99%
Vihtavuori N133
<<locked>>
85%
57029
89%
**15
100%
Vihtavuori N135
<<locked>>
90%
56797
89%
**61
100%
Vihtavuori N140
<<locked>>
85%
56724
89%
**74
100%
Vihtavuori N150
<<locked>>
94%
57290
90%
**10
100%
Vihtavuori N160
<<locked>>
92%
57029
89%
**69
100%
Vihtavuori N165
<<locked>>
97%
43250
68%
**85
97%
Vihtavuori N540
<<locked>>
85%
57392
90%
**10
100%
Vihtavuori N550
<<locked>>
92%
57058
89%
**08
100%
Vihtavuori N555
<<locked>>
97%
48573
76%
**30
100%
Vihtavuori N560
<<locked>>
97%
46064
72%
**20
95%
[Vihtavuori N565]*
<<locked>>
97%
38841
61%
**82
93%
Winchester 6.5 StaBALL
<<locked>>
93%
57246
90%
**46
100%
Winchester 760
<<locked>>
90%
57029
89%
**21
100%
Winchester StaBALL HD
<<locked>>
97%
36825
58%
**93
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46151
72%
**88
100%
[ADI AR 2209]*
<<locked>>
81%
31531
49%
**69
91%
[ADI AR 2213]*
<<locked>>
87%
34301
54%
**47
90%
Accurate 2700
<<locked>>
81%
44411
70%
**20
97%
[Accurate 3100]*
<<locked>>
81%
26745
42%
**57
93%
Accurate 4064
<<locked>>
81%
48588
76%
**08
100%
Accurate 4350
<<locked>>
81%
36680
57%
**90
98%
[Accurate MAGPRO]*
<<locked>>
92%
38522
60%
**69
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46369
73%
**08
100%
Alliant Reloder-15
<<locked>>
81%
49661
78%
**70
100%
Alliant Reloder-16
<<locked>>
81%
36143
57%
**00
99%
Alliant Reloder-17
<<locked>>
81%
40756
64%
**15
100%
[Alliant Reloder-19]*
<<locked>>
81%
31343
49%
**69
91%
[Alliant Reloder-22]*
<<locked>>
84%
29820
47%
**69
90%
Alliant Reloder-23
<<locked>>
81%
26382
41%
**90
96%
[Alliant Reloder-25]*
<<locked>>
83%
24700
39%
**31
90%
[Alliant Reloder-26]*
<<locked>>
81%
27891
44%
**78
94%
Hodgdon CFE223
<<locked>>
81%
48820
77%
**87
100%
Hodgdon H380
<<locked>>
81%
47021
74%
**28
100%
Hodgdon H414
<<locked>>
81%
42192
66%
**95
97%
[Hodgdon H4350]*
<<locked>>
81%
35157
55%
**05
94%
[Hodgdon H4831]*
<<locked>>
90%
35534
56%
**41
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
35534
56%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33533
53%
**08
99%
Hodgdon LVR
<<locked>>
81%
39581
62%
**36
98%
Hodgdon Superperformance
<<locked>>
81%
37898
59%
**39
96%
Hodgdon VARGET
<<locked>>
81%
45803
72%
**82
100%
IMR 3031
<<locked>>
81%
50836
80%
**41
100%
IMR 4064
<<locked>>
81%
45339
71%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
44556
70%
**39
98%
IMR 4350
<<locked>>
81%
36695
58%
**38
95%
IMR 4451 Enduron
<<locked>>
81%
42685
67%
**36
97%
IMR 4831
<<locked>>
81%
32039
50%
**82
97%
IMR 4895
<<locked>>
81%
50850
80%
**90
100%
[IMR 4955 Enduron]*
<<locked>>
85%
34026
53%
**75
90%
[IMR 7828 SSC]*
<<locked>>
86%
34055
53%
**54
90%
Lovex S060
<<locked>>
81%
53272
83%
**48
100%
Lovex S062
<<locked>>
81%
48646
76%
**11
100%
Lovex S065
<<locked>>
81%
40089
63%
**90
98%
Lovex S070
<<locked>>
81%
38305
60%
**70
96%
[Lovex S071]*
<<locked>>
81%
23177
36%
**55
90%
Norma 201
<<locked>>
81%
53084
83%
**67
100%
Norma 202
<<locked>>
81%
53563
84%
**57
100%
Norma 203B
<<locked>>
81%
49008
77%
**57
100%
[Norma 204]*
<<locked>>
81%
36071
57%
**57
93%
[Norma MRP]*
<<locked>>
81%
28369
44%
**56
91%
Norma URP
<<locked>>
81%
36637
57%
**87
98%
Ramshot Big Game
<<locked>>
81%
49255
77%
**74
100%
Ramshot Hunter
<<locked>>
81%
35505
56%
**77
96%
[Ramshot Magnum]*
<<locked>>
85%
29312
46%
**36
90%
ReloadSwiss RS 50
<<locked>>
81%
47268
74%
**11
99%
ReloadSwiss RS 52
<<locked>>
81%
48718
76%
**70
100%
ReloadSwiss RS 60
<<locked>>
81%
39450
62%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
36593
57%
**10
98%
ReloadSwiss RS 70
<<locked>>
81%
35607
56%
**16
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
29312
46%
**82
90%
Rottweil R 902
<<locked>>
81%
50473
79%
**21
100%
Rottweil R 903
<<locked>>
81%
43947
69%
**69
100%
[Rottweil R 904]*
<<locked>>
81%
32808
51%
**56
90%
[Rottweil R 905]*
<<locked>>
81%
30066
47%
**46
91%
Rottweil R 907
<<locked>>
81%
41118
64%
**06
96%
SNPE Vectan SP 11
<<locked>>
81%
44860
70%
**18
100%
SNPE Vectan SP 9
<<locked>>
81%
52576
82%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45469
71%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39276
62%
**41
97%
Shooters World Long Rifle
<<locked>>
81%
40089
63%
**90
98%
Shooters World Precision
<<locked>>
81%
48646
76%
**11
100%
Somchem S335
<<locked>>
81%
53853
84%
**05
100%
Somchem S355
<<locked>>
81%
44295
69%
**69
100%
[Somchem S361]*
<<locked>>
82%
34838
55%
**78
90%
Somchem S365
<<locked>>
81%
33011
52%
**51
100%
[Somchem S385]*
<<locked>>
81%
30676
48%
**36
92%
Vihtavuori N133
<<locked>>
81%
51097
80%
**49
100%
Vihtavuori N135
<<locked>>
81%
43192
68%
**90
100%
Vihtavuori N140
<<locked>>
81%
50444
79%
**98
100%
Vihtavuori N150
<<locked>>
81%
37971
60%
**34
100%
Vihtavuori N160
<<locked>>
81%
39769
62%
**16
99%
[Vihtavuori N165]*
<<locked>>
84%
28369
44%
**73
90%
Vihtavuori N540
<<locked>>
81%
49879
78%
**18
100%
Vihtavuori N550
<<locked>>
81%
40248
63%
**49
99%
Vihtavuori N555
<<locked>>
81%
28747
45%
**56
97%
[Vihtavuori N560]*
<<locked>>
88%
34737
54%
**90
90%
[Vihtavuori N565]*
<<locked>>
92%
33228
52%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37333
59%
**60
100%
Winchester 760
<<locked>>
81%
42192
66%
**95
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23090
36%
**47
94%

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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