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Load data for .375 Rem. Ultra Mag + .375 | 270gr | Barnes LRX BT

Recommended Powder(s):

.375 Rem. Ultra Mag + .375 | 270gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Barnes LRX BT
Manufacturer SKU:
30483
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
.375 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B737_C557
Last updated:
2026-01-30
Recommended Twist Rate:
1:15 - 1:13

Load data for 208 loads in caliber .375 Rem. Ultra Mag with .375 | 270gr | Barnes LRX BT bullet and 104 powder(s). 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
86%
89%
100%
ADI AR 2208
91%
90%
100%
ADI AR 2209
97%
74%
95%
Accurate 2200
84%
89%
100%
Accurate 2495
84%
90%
100%
Accurate 2520
84%
89%
100%
Accurate 2700
92%
90%
98%
Accurate 3100
97%
63%
96%
Accurate 4064
90%
89%
100%
Accurate 4350
97%
87%
100%
Alliant AR-Comp
84%
89%
100%
Alliant Power Pro 2000-MR
88%
89%
100%
Alliant Reloder- TS 15.5
91%
90%
100%
Alliant Reloder-15
89%
90%
100%
Alliant Reloder-16
97%
84%
100%
Alliant Reloder-17
94%
90%
100%
Alliant Reloder-19
97%
73%
95%
Alliant Reloder-22
97%
63%
93%
Alliant Reloder-23
97%
60%
99%
Alliant Reloder-25
97%
53%
94%
Alliant Reloder-26
97%
66%
98%
Baschieri & Pellagri 107
86%
89%
100%
Bofors RP15
97%
58%
92%
Bofors RP3
90%
90%
100%
Bofors RP5
97%
63%
93%
Bofors RP7
95%
90%
98%
Hodgdon BL-C2
84%
90%
100%
Hodgdon Benchmark
84%
90%
100%
Hodgdon CFE223
89%
90%
100%
Hodgdon H380
90%
89%
100%
Hodgdon H414
93%
90%
99%
Hodgdon H4350
97%
81%
97%
Hodgdon H4831 SC
97%
69%
92%
Hodgdon H4895
85%
89%
100%
Hodgdon Hybrid 100V
97%
77%
100%
Hodgdon LVR
96%
89%
100%
Hodgdon Superperformance
96%
89%
99%
Hodgdon VARGET
91%
89%
100%
IMR 3031
88%
90%
100%
IMR 4064
92%
89%
100%
IMR 4166 Enduron
92%
90%
99%
IMR 4350
97%
85%
98%
IMR 4451 Enduron
93%
89%
99%
IMR 4831
97%
73%
99%
IMR 4895
88%
89%
100%
IMR 4955 Enduron
97%
69%
92%
IMR 7828 SSC
97%
67%
92%
IMR 8208 XBR
84%
89%
100%
Lovex D073.6
86%
89%
100%
Lovex S060
86%
89%
100%
Lovex S062
90%
90%
100%
Lovex S065
96%
90%
99%
Lovex S070
97%
88%
99%
Lovex S071
97%
52%
94%
Norma 201
86%
90%
100%
Norma 202
86%
89%
100%
Norma 203B
89%
89%
100%
Norma 204
97%
86%
97%
Norma MRP
97%
67%
96%
Norma URP
97%
85%
100%
Ramshot Big Game
89%
89%
100%
Ramshot Grand
97%
71%
93%
Ramshot Hunter
97%
83%
99%
Ramshot Magnum
97%
61%
93%
Ramshot TAC
84%
90%
100%
Ramshot Wild Boar
84%
89%
100%
ReloadSwiss RS 50
90%
90%
99%
ReloadSwiss RS 52
86%
89%
100%
ReloadSwiss RS 60
92%
89%
100%
ReloadSwiss RS 62
97%
87%
100%
ReloadSwiss RS 70
97%
86%
100%
Rottweil R 901
84%
90%
100%
Rottweil R 902
88%
90%
100%
Rottweil R 903
92%
89%
100%
Rottweil R 904
97%
76%
94%
Rottweil R 905
97%
71%
95%
Rottweil R 907
95%
90%
98%
SNPE Vectan SP 11
92%
90%
100%
SNPE Vectan SP 7
85%
90%
100%
SNPE Vectan SP 9
87%
89%
100%
SNPE Vectan Tubal 3000
86%
90%
100%
SNPE Vectan Tubal 5000
91%
89%
100%
SNPE Vectan Tubal 7000
95%
89%
99%
Shooters World Long Rifle
96%
90%
99%
Shooters World Match Rifle
86%
89%
100%
Shooters World Precision
90%
90%
100%
Somchem S335
86%
90%
100%
Somchem S341
85%
90%
100%
Somchem S355
93%
89%
100%
Somchem S361
97%
79%
94%
Somchem S365
97%
77%
100%
Somchem S385
97%
71%
96%
Vihtavuori N133
88%
90%
100%
Vihtavuori N135
94%
89%
100%
Vihtavuori N140
88%
89%
100%
Vihtavuori N150
97%
87%
100%
Vihtavuori N160
95%
90%
100%
Vihtavuori N165
97%
60%
93%
Vihtavuori N540
88%
89%
100%
Vihtavuori N550
95%
89%
100%
Vihtavuori N555
97%
66%
99%
Winchester 6.5 StaBALL
97%
90%
100%
Winchester 760
93%
90%
99%
Winchester StaBALL HD
97%
53%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49211
77%
**59
100%
ADI AR 2208
<<locked>>
81%
41669
65%
**18
99%
[ADI AR 2209]*
<<locked>>
87%
34824
55%
**23
90%
Accurate 2200
<<locked>>
81%
51314
80%
**62
99%
Accurate 2495
<<locked>>
81%
51488
81%
**43
100%
Accurate 2520
<<locked>>
81%
51909
81%
**79
100%
[Accurate 2700]*
<<locked>>
81%
40190
63%
**43
94%
[Accurate 3100]*
<<locked>>
85%
26585
42%
**39
90%
Accurate 4064
<<locked>>
81%
43439
68%
**51
100%
Accurate 4350
<<locked>>
81%
32082
50%
**97
96%
Alliant AR-Comp
<<locked>>
81%
52243
82%
**33
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
45179
71%
**98
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
41481
65%
**41
100%
Alliant Reloder-15
<<locked>>
81%
44657
70%
**03
99%
Alliant Reloder-16
<<locked>>
81%
32329
51%
**06
96%
Alliant Reloder-17
<<locked>>
81%
36114
57%
**21
99%
[Alliant Reloder-19]*
<<locked>>
87%
34040
53%
**16
90%
[Alliant Reloder-22]*
<<locked>>
91%
33678
53%
**49
90%
[Alliant Reloder-23]*
<<locked>>
81%
23380
37%
**70
92%
[Alliant Reloder-25]*
<<locked>>
91%
28210
44%
**11
90%
[Alliant Reloder-26]*
<<locked>>
83%
26237
41%
**98
90%
Baschieri & Pellagri 107
<<locked>>
81%
48733
76%
**66
99%
[Bofors RP15]*
<<locked>>
94%
33953
53%
**56
90%
Bofors RP3
<<locked>>
81%
41640
65%
**51
100%
[Bofors RP5]*
<<locked>>
91%
33678
53%
**49
90%
[Bofors RP7]*
<<locked>>
81%
37246
58%
**23
93%
Hodgdon BL-C2
<<locked>>
81%
51822
81%
**05
100%
Hodgdon Benchmark
<<locked>>
81%
53113
83%
**43
100%
Hodgdon CFE223
<<locked>>
81%
43105
68%
**10
99%
Hodgdon H380
<<locked>>
81%
42395
66%
**51
98%
[Hodgdon H414]*
<<locked>>
81%
37376
59%
**05
94%
[Hodgdon H4350]*
<<locked>>
81%
31415
49%
**15
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
40611
64%
**25
90%
Hodgdon H4895
<<locked>>
81%
49690
78%
**66
100%
Hodgdon Hybrid 100V
<<locked>>
81%
29747
47%
**18
97%
Hodgdon LVR
<<locked>>
81%
35186
55%
**46
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33707
53%
**29
92%
Hodgdon VARGET
<<locked>>
81%
41568
65%
**15
99%
IMR 3031
<<locked>>
81%
45585
71%
**97
100%
IMR 4064
<<locked>>
81%
40959
64%
**98
99%
IMR 4166 Enduron
<<locked>>
81%
40538
64%
**62
95%
[IMR 4350]*
<<locked>>
81%
32851
51%
**44
91%
IMR 4451 Enduron
<<locked>>
81%
38638
61%
**56
95%
[IMR 4831]*
<<locked>>
81%
28137
44%
**82
94%
IMR 4895
<<locked>>
81%
45847
72%
**30
100%
[IMR 4955 Enduron]*
<<locked>>
93%
39233
61%
**69
90%
[IMR 7828 SSC]*
<<locked>>
94%
39218
61%
**48
90%
IMR 8208 XBR
<<locked>>
81%
51358
80%
**56
100%
Lovex D073.6
<<locked>>
81%
48863
77%
**39
100%
Lovex S060
<<locked>>
81%
48646
76%
**93
100%
Lovex S062
<<locked>>
81%
43743
69%
**48
100%
Lovex S065
<<locked>>
81%
36071
57%
**03
95%
[Lovex S070]*
<<locked>>
81%
34214
54%
**83
93%
[Lovex S071]*
<<locked>>
90%
26368
41%
**33
90%
Norma 201
<<locked>>
81%
48153
75%
**07
100%
Norma 202
<<locked>>
81%
48617
76%
**13
100%
Norma 203B
<<locked>>
81%
44164
69%
**93
100%
[Norma 204]*
<<locked>>
83%
34316
54%
**10
90%
[Norma MRP]*
<<locked>>
87%
30792
48%
**97
90%
Norma URP
<<locked>>
81%
32358
51%
**97
96%
Ramshot Big Game
<<locked>>
81%
43830
69%
**03
99%
[Ramshot Grand]*
<<locked>>
93%
39059
61%
**48
90%
[Ramshot Hunter]*
<<locked>>
81%
31575
49%
**77
93%
[Ramshot Magnum]*
<<locked>>
93%
33620
53%
**20
90%
Ramshot TAC
<<locked>>
81%
51416
81%
**72
99%
Ramshot Wild Boar
<<locked>>
81%
51053
80%
**92
100%
ReloadSwiss RS 50
<<locked>>
81%
42598
67%
**31
97%
ReloadSwiss RS 52
<<locked>>
81%
47601
75%
**02
100%
ReloadSwiss RS 60
<<locked>>
81%
38421
60%
**80
100%
ReloadSwiss RS 62
<<locked>>
81%
31821
50%
**06
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31821
50%
**03
94%
Rottweil R 901
<<locked>>
81%
52272
82%
**36
100%
Rottweil R 902
<<locked>>
81%
45672
72%
**61
100%
Rottweil R 903
<<locked>>
81%
39001
61%
**98
99%
[Rottweil R 904]*
<<locked>>
88%
37043
58%
**39
90%
[Rottweil R 905]*
<<locked>>
88%
33272
52%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
37246
58%
**23
93%
SNPE Vectan SP 11
<<locked>>
81%
40059
63%
**44
99%
SNPE Vectan SP 7
<<locked>>
81%
49893
78%
**52
99%
SNPE Vectan SP 9
<<locked>>
81%
47688
75%
**30
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49545
78%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41321
65%
**36
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35317
55%
**54
94%
Shooters World Long Rifle
<<locked>>
81%
36071
57%
**03
95%
Shooters World Match Rifle
<<locked>>
81%
48863
77%
**39
100%
Shooters World Precision
<<locked>>
81%
43743
69%
**48
100%
Somchem S335
<<locked>>
81%
49037
77%
**57
100%
Somchem S341
<<locked>>
81%
49705
78%
**49
100%
Somchem S355
<<locked>>
81%
39711
62%
**95
99%
[Somchem S361]*
<<locked>>
90%
39755
62%
**65
90%
Somchem S365
<<locked>>
81%
28950
45%
**54
98%
[Somchem S385]*
<<locked>>
85%
30385
48%
**24
90%
Vihtavuori N133
<<locked>>
81%
46514
73%
**02
100%
Vihtavuori N135
<<locked>>
81%
38638
61%
**29
100%
Vihtavuori N140
<<locked>>
81%
45455
71%
**41
100%
Vihtavuori N150
<<locked>>
81%
33997
53%
**64
99%
Vihtavuori N160
<<locked>>
81%
35085
55%
**26
96%
[Vihtavuori N165]*
<<locked>>
91%
32024
50%
**44
90%
Vihtavuori N540
<<locked>>
81%
45092
71%
**67
100%
Vihtavuori N550
<<locked>>
81%
35752
56%
**62
96%
[Vihtavuori N555]*
<<locked>>
81%
24932
39%
**42
92%
Winchester 6.5 StaBALL
<<locked>>
81%
33605
53%
**77
98%
[Winchester 760]*
<<locked>>
81%
37376
59%
**05
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22742
36%
**87
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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