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Load data for .375 Rem. Ultra Mag + .375 | 270gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760

.375 Rem. Ultra Mag + .375 | 270gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
02375270SP
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.430" | 36.3mm
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:
0.734" | 18.6mm
Shank Seated Depth:
0.674" | 17.1mm
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_B11080_C557
Last updated:
2025-11-16
Recommended Twist Rate:
1:16 - 1:13

Load data for 196 loads in caliber .375 Rem. Ultra Mag with .375 | 270gr | Lehigh Defense Controlled Fracturing bullet and 98 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760. 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>>
85%
56811
89%
**71
100%
ADI AR 2208
<<locked>>
91%
57421
90%
**67
100%
ADI AR 2209
<<locked>>
97%
47935
75%
**98
96%
[ADI AR 2213]*
<<locked>>
97%
43076
68%
**23
92%
Accurate 2200
<<locked>>
84%
57188
90%
**51
100%
Accurate 2495
<<locked>>
84%
57232
90%
**21
100%
Accurate 2520
<<locked>>
83%
57406
90%
**51
100%
Accurate 2700
<<locked>>
91%
57261
90%
**15
98%
Accurate 3100
<<locked>>
97%
40915
64%
**57
97%
Accurate 4064
<<locked>>
89%
57000
89%
**44
100%
Accurate 4350
<<locked>>
97%
57101
89%
**26
100%
Alliant AR-Comp
<<locked>>
83%
57188
90%
**95
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57392
90%
**80
100%
Alliant Reloder-15
<<locked>>
88%
57145
90%
**94
100%
Alliant Reloder-16 👍
<<locked>>
97%
54491
85%
**30
100%
Alliant Reloder-17
<<locked>>
94%
57392
90%
**85
100%
Alliant Reloder-19
<<locked>>
97%
47340
74%
**92
96%
[Alliant Reloder-22]*
<<locked>>
97%
41278
65%
**23
94%
Alliant Reloder-23
<<locked>>
97%
39218
61%
**93
99%
Alliant Reloder-25
<<locked>>
97%
34272
54%
**85
95%
Alliant Reloder-26
<<locked>>
97%
43250
68%
**28
99%
Baschieri & Pellagri 107
<<locked>>
85%
57145
90%
**87
100%
Hodgdon BL-C2
<<locked>>
84%
57348
90%
**84
100%
Hodgdon Benchmark
<<locked>>
83%
57290
90%
**05
100%
Hodgdon CFE223
<<locked>>
88%
57261
90%
**23
100%
Hodgdon H380
<<locked>>
90%
57130
90%
**84
100%
Hodgdon H414 👍
<<locked>>
93%
57305
90%
**43
99%
Hodgdon H4350
<<locked>>
97%
52446
82%
**15
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
45136
71%
**16
92%
Hodgdon Hybrid 100V
<<locked>>
97%
50488
79%
**08
100%
Hodgdon LVR
<<locked>>
95%
57276
90%
**26
100%
Hodgdon Superperformance
<<locked>>
95%
57435
90%
**76
99%
Hodgdon VARGET
<<locked>>
91%
57421
90%
**67
100%
IMR 3031
<<locked>>
88%
57261
90%
**51
100%
IMR 4064
<<locked>>
91%
57058
89%
**51
100%
IMR 4166 Enduron
<<locked>>
92%
57276
90%
**41
99%
IMR 4350
<<locked>>
97%
55274
87%
**51
98%
IMR 4451 Enduron
<<locked>>
93%
56913
89%
**64
99%
IMR 4831
<<locked>>
97%
48211
76%
**89
99%
IMR 4895
<<locked>>
87%
56956
89%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44846
70%
**80
92%
[IMR 7828 SSC]*
<<locked>>
97%
43888
69%
**52
92%
IMR 8208 XBR
<<locked>>
84%
56753
89%
**35
100%
Lovex D073.6
<<locked>>
85%
56913
89%
**48
100%
Lovex S060
<<locked>>
86%
57246
90%
**15
100%
Lovex S062
<<locked>>
89%
57116
90%
**51
100%
Lovex S065
<<locked>>
95%
56942
89%
**61
100%
Lovex S070
<<locked>>
97%
57101
89%
**87
99%
[Lovex S071]*
<<locked>>
97%
34185
54%
**26
94%
Norma 201
<<locked>>
86%
57000
89%
**35
100%
Norma 202
<<locked>>
86%
57159
90%
**31
100%
Norma 203B
<<locked>>
89%
57029
89%
**90
100%
Norma 204
<<locked>>
97%
56173
88%
**07
97%
Norma MRP
<<locked>>
97%
43627
68%
**02
96%
Norma URP
<<locked>>
97%
55535
87%
**07
100%
Ramshot Big Game
<<locked>>
88%
57261
90%
**03
100%
Ramshot Hunter
<<locked>>
97%
54592
86%
**13
99%
[Ramshot Magnum]*
<<locked>>
97%
39885
63%
**64
94%
Ramshot TAC
<<locked>>
84%
56768
89%
**61
100%
Ramshot Wild Boar
<<locked>>
84%
57348
90%
**84
100%
ReloadSwiss RS 50
<<locked>>
89%
56942
89%
**64
99%
ReloadSwiss RS 52
<<locked>>
88%
56811
89%
**03
100%
ReloadSwiss RS 60
<<locked>>
94%
56782
89%
**95
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
56826
89%
**43
100%
ReloadSwiss RS 70
<<locked>>
97%
56231
88%
**82
100%
Rottweil R 901
<<locked>>
84%
57305
90%
**12
100%
Rottweil R 902
<<locked>>
88%
56971
89%
**25
100%
Rottweil R 903
<<locked>>
92%
56695
89%
**71
100%
Rottweil R 904
<<locked>>
97%
49995
78%
**75
95%
Rottweil R 905
<<locked>>
97%
45818
72%
**69
95%
Rottweil R 907
<<locked>>
94%
57319
90%
**64
98%
SNPE Vectan SP 11
<<locked>>
91%
57319
90%
**10
100%
SNPE Vectan SP 7
<<locked>>
84%
57130
90%
**61
100%
SNPE Vectan SP 9
<<locked>>
86%
57058
89%
**71
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
56768
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
57072
89%
**52
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
57145
90%
**15
99%
Shooters World Long Rifle
<<locked>>
95%
56942
89%
**61
100%
Shooters World Match Rifle
<<locked>>
85%
56913
89%
**48
100%
Shooters World Precision
<<locked>>
89%
57116
90%
**51
100%
Somchem S335
<<locked>>
86%
57261
90%
**66
100%
Somchem S341
<<locked>>
85%
56985
89%
**54
100%
Somchem S355
<<locked>>
92%
56985
89%
**67
100%
[Somchem S361]*
<<locked>>
97%
51590
81%
**69
94%
Somchem S365
<<locked>>
97%
50372
79%
**64
100%
Somchem S385
<<locked>>
97%
46876
73%
**59
97%
Vihtavuori N133
<<locked>>
87%
57246
90%
**43
100%
Vihtavuori N135
<<locked>>
93%
57188
90%
**95
100%
Vihtavuori N140
<<locked>>
88%
57145
90%
**02
100%
Vihtavuori N150
<<locked>>
97%
56521
89%
**25
100%
Vihtavuori N160
<<locked>>
95%
56739
89%
**80
100%
[Vihtavuori N165]*
<<locked>>
97%
38725
61%
**95
93%
Vihtavuori N540
<<locked>>
88%
57217
90%
**35
100%
Vihtavuori N550 👍
<<locked>>
95%
57203
90%
**30
100%
Vihtavuori N555
<<locked>>
97%
43265
68%
**62
99%
Winchester 6.5 StaBALL
<<locked>>
96%
57014
89%
**64
100%
Winchester 760 👍
<<locked>>
93%
57305
90%
**43
99%
Winchester StaBALL HD
<<locked>>
97%
34853
55%
**97
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49922
78%
**75
100%
ADI AR 2208
<<locked>>
81%
42583
67%
**38
99%
[ADI AR 2209]*
<<locked>>
86%
34229
54%
**16
90%
[ADI AR 2213]*
<<locked>>
94%
39233
61%
**41
90%
Accurate 2200
<<locked>>
81%
52228
82%
**82
100%
Accurate 2495
<<locked>>
81%
52214
82%
**59
100%
Accurate 2520
<<locked>>
81%
53026
83%
**95
100%
Accurate 2700
<<locked>>
81%
40872
64%
**62
95%
[Accurate 3100]*
<<locked>>
84%
26092
41%
**29
90%
Accurate 4064
<<locked>>
81%
44092
69%
**64
100%
Accurate 4350
<<locked>>
81%
32721
51%
**13
96%
Alliant AR-Comp
<<locked>>
81%
53229
83%
**52
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42453
67%
**57
100%
Alliant Reloder-15
<<locked>>
81%
45484
71%
**20
99%
Alliant Reloder-16
<<locked>>
81%
32808
51%
**23
96%
Alliant Reloder-17
<<locked>>
81%
36825
58%
**41
99%
[Alliant Reloder-19]*
<<locked>>
86%
33315
52%
**10
90%
[Alliant Reloder-22]*
<<locked>>
90%
33605
53%
**56
90%
[Alliant Reloder-23]*
<<locked>>
81%
23888
37%
**93
93%
[Alliant Reloder-25]*
<<locked>>
90%
27717
43%
**98
90%
[Alliant Reloder-26]*
<<locked>>
82%
25614
40%
**88
90%
Baschieri & Pellagri 107
<<locked>>
81%
49501
78%
**82
100%
Hodgdon BL-C2
<<locked>>
81%
52605
82%
**25
100%
Hodgdon Benchmark
<<locked>>
81%
53693
84%
**59
100%
Hodgdon CFE223
<<locked>>
81%
44208
69%
**30
99%
Hodgdon H380
<<locked>>
81%
43250
68%
**74
98%
Hodgdon H414
<<locked>>
81%
38116
60%
**25
95%
[Hodgdon H4350]*
<<locked>>
81%
31865
50%
**28
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
39871
62%
**18
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30226
47%
**34
97%
Hodgdon LVR
<<locked>>
81%
35810
56%
**69
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34316
54%
**56
92%
Hodgdon VARGET
<<locked>>
81%
42134
66%
**28
99%
IMR 3031
<<locked>>
81%
46427
73%
**13
100%
IMR 4064
<<locked>>
81%
41698
65%
**15
99%
IMR 4166 Enduron
<<locked>>
81%
41408
65%
**88
96%
[IMR 4350]*
<<locked>>
81%
33576
53%
**70
92%
IMR 4451 Enduron
<<locked>>
81%
39436
62%
**72
95%
[IMR 4831]*
<<locked>>
81%
28979
45%
**08
94%
IMR 4895
<<locked>>
81%
46572
73%
**43
100%
[IMR 4955 Enduron]*
<<locked>>
92%
38551
60%
**62
90%
[IMR 7828 SSC]*
<<locked>>
93%
38711
61%
**44
90%
IMR 8208 XBR
<<locked>>
81%
52054
82%
**75
100%
Lovex D073.6
<<locked>>
81%
49850
78%
**56
100%
Lovex S060
<<locked>>
81%
49588
78%
**07
100%
Lovex S062
<<locked>>
81%
44744
70%
**74
100%
Lovex S065
<<locked>>
81%
36680
57%
**29
96%
[Lovex S070]*
<<locked>>
81%
34925
55%
**03
94%
[Lovex S071]*
<<locked>>
89%
26310
41%
**36
90%
Norma 201
<<locked>>
81%
48921
77%
**30
100%
Norma 202
<<locked>>
81%
49371
77%
**30
100%
Norma 203B
<<locked>>
81%
44730
70%
**07
100%
[Norma 204]*
<<locked>>
82%
34156
54%
**06
90%
[Norma MRP]*
<<locked>>
86%
30269
47%
**93
90%
Norma URP
<<locked>>
81%
32982
52%
**16
96%
Ramshot Big Game
<<locked>>
81%
44788
70%
**23
100%
[Ramshot Hunter]*
<<locked>>
81%
32227
51%
**00
93%
[Ramshot Magnum]*
<<locked>>
91%
32822
51%
**06
90%
Ramshot TAC
<<locked>>
81%
52141
82%
**95
99%
Ramshot Wild Boar
<<locked>>
81%
51880
81%
**08
100%
ReloadSwiss RS 50
<<locked>>
81%
43366
68%
**51
97%
ReloadSwiss RS 52
<<locked>>
81%
44164
69%
**20
100%
ReloadSwiss RS 60
<<locked>>
81%
35752
56%
**38
99%
ReloadSwiss RS 62
<<locked>>
81%
32518
51%
**26
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32489
51%
**29
94%
Rottweil R 901
<<locked>>
81%
52997
83%
**56
100%
Rottweil R 902
<<locked>>
81%
46702
73%
**87
100%
Rottweil R 903
<<locked>>
81%
39856
62%
**18
99%
[Rottweil R 904]*
<<locked>>
87%
36448
57%
**33
90%
[Rottweil R 905]*
<<locked>>
87%
32924
52%
**06
90%
[Rottweil R 907]*
<<locked>>
81%
37826
59%
**36
94%
SNPE Vectan SP 11
<<locked>>
81%
40901
64%
**64
99%
SNPE Vectan SP 7
<<locked>>
81%
50676
79%
**69
99%
SNPE Vectan SP 9
<<locked>>
81%
48544
76%
**49
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50227
79%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41930
66%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35868
56%
**67
94%
Shooters World Long Rifle
<<locked>>
81%
36680
57%
**29
96%
Shooters World Match Rifle
<<locked>>
81%
49850
78%
**56
100%
Shooters World Precision
<<locked>>
81%
44744
70%
**74
100%
Somchem S335
<<locked>>
81%
49617
78%
**67
100%
Somchem S341
<<locked>>
81%
50488
79%
**66
100%
Somchem S355
<<locked>>
81%
40422
63%
**18
99%
[Somchem S361]*
<<locked>>
89%
39334
62%
**65
90%
Somchem S365
<<locked>>
81%
29689
47%
**74
98%
[Somchem S385]*
<<locked>>
83%
30081
47%
**21
90%
Vihtavuori N133
<<locked>>
81%
47282
74%
**18
100%
Vihtavuori N135
<<locked>>
81%
39421
62%
**49
100%
Vihtavuori N140
<<locked>>
81%
46079
72%
**61
100%
Vihtavuori N150
<<locked>>
81%
34606
54%
**80
99%
Vihtavuori N160
<<locked>>
81%
35882
56%
**43
97%
[Vihtavuori N165]*
<<locked>>
90%
31676
50%
**38
90%
Vihtavuori N540
<<locked>>
81%
45992
72%
**80
100%
Vihtavuori N550
<<locked>>
81%
36564
57%
**85
97%
[Vihtavuori N555]*
<<locked>>
81%
25469
40%
**62
93%
Winchester 6.5 StaBALL
<<locked>>
81%
34127
53%
**93
98%
Winchester 760
<<locked>>
81%
38116
60%
**25
95%
[Winchester StaBALL HD]*
<<locked>>
83%
22394
35%
**83
90%

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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