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Load data for .375 H.& H. Mag. + .375 | 270gr | Impala RNFP KO

Recommended Powder(s): IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

.375 H.& H. Mag. + .375 | 270gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Impala RNFP KO
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.329" | 33.8mm
Caliber:
.375 H.& H. Mag. load data
Case Length (l3):
2.859" | 72.6mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.642" | 16.3mm
Shank Seated Depth:
0.642" | 16.3mm
Case Capacity:
95.3 Grains of Water | 6.19 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B3013_C543
Last updated:
2025-01-01

Load data for 188 loads in caliber .375 H.& H. Mag. with .375 | 270gr | Impala RNFP KO bullet and 94 powders such as IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11. 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

  • .

    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.

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>>
91%
56014
90%
**02
100%
ADI AR 2208
<<locked>>
96%
55956
90%
**85
99%
Accurate 2015
<<locked>>
86%
55782
89%
**97
100%
Accurate 2200
<<locked>>
89%
55738
89%
**62
99%
Accurate 2230
<<locked>>
85%
55985
90%
**49
100%
Accurate 2460
<<locked>>
85%
56130
90%
**56
100%
Accurate 2495
<<locked>>
89%
56028
90%
**66
100%
Accurate 2520
<<locked>>
89%
55985
90%
**89
100%
Accurate 2700
<<locked>>
96%
55492
89%
**10
95%
Accurate 4064
<<locked>>
95%
55724
89%
**85
100%
Accurate 4350
<<locked>>
97%
43714
70%
**80
97%
Alliant AR-Comp
<<locked>>
89%
55854
90%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
55680
89%
**08
100%
Alliant Reloder-10x
<<locked>>
84%
55332
89%
**00
100%
Alliant Reloder-15
<<locked>>
94%
55317
89%
**08
99%
Alliant Reloder-16
<<locked>>
97%
43569
70%
**80
97%
Alliant Reloder-17
<<locked>>
97%
49632
80%
**18
99%
[Alliant Reloder-23]*
<<locked>>
97%
31720
51%
**44
94%
Baschieri & Pellagri 107
<<locked>>
91%
56057
90%
**18
99%
Hodgdon BL-C2
<<locked>>
89%
55666
89%
**18
100%
Hodgdon Benchmark
<<locked>>
88%
55564
89%
**20
100%
Hodgdon CFE223
<<locked>>
94%
55680
89%
**54
99%
Hodgdon H322
<<locked>>
87%
55738
89%
**49
100%
Hodgdon H380
<<locked>>
95%
55143
88%
**98
98%
Hodgdon H414
<<locked>>
97%
51793
83%
**02
96%
[Hodgdon H4350]*
<<locked>>
97%
42598
68%
**82
92%
Hodgdon Hybrid 100V
<<locked>>
97%
39900
64%
**75
98%
Hodgdon LVR
<<locked>>
97%
47630
76%
**26
97%
[Hodgdon Superperformance]*
<<locked>>
97%
47935
77%
**46
94%
Hodgdon VARGET
<<locked>>
97%
55956
90%
**85
99%
IMR 3031
<<locked>>
93%
55405
89%
**95
100%
IMR 4064
<<locked>>
97%
55143
88%
**62
99%
IMR 4166 Enduron
<<locked>>
97%
55550
89%
**36
96%
IMR 4198
<<locked>>
84%
55956
90%
**64
100%
[IMR 4350]*
<<locked>>
97%
45223
73%
**28
93%
IMR 4451 Enduron
<<locked>>
97%
52837
85%
**30
96%
IMR 4831
<<locked>>
97%
37884
61%
**52
95%
IMR 4895 👍
<<locked>>
93%
55767
89%
**28
100%
IMR 8208 XBR
<<locked>>
89%
55492
89%
**59
100%
Lovex D073.4
<<locked>>
83%
55593
89%
**36
100%
Lovex D073.5
<<locked>>
85%
55695
89%
**52
100%
Lovex D073.6
<<locked>>
91%
56086
90%
**89
100%
Lovex S060
<<locked>>
90%
55477
89%
**23
100%
Lovex S062
<<locked>>
94%
55347
89%
**72
100%
Lovex S065
<<locked>>
97%
49124
79%
**80
97%
Lovex S070
<<locked>>
97%
46470
75%
**54
95%
Norma 201
<<locked>>
91%
56043
90%
**66
100%
Norma 202
<<locked>>
91%
55941
90%
**66
100%
Norma 203B 👍
<<locked>>
95%
55840
90%
**21
100%
Norma URP
<<locked>>
97%
43656
70%
**74
97%
Ramshot Big Game 👍
<<locked>>
94%
55840
90%
**35
100%
[Ramshot Hunter]*
<<locked>>
97%
43352
70%
**64
94%
Ramshot TAC
<<locked>>
89%
55898
90%
**72
98%
Ramshot Wild Boar
<<locked>>
89%
56101
90%
**08
100%
Ramshot X-Terminator
<<locked>>
86%
55912
90%
**52
99%
ReloadSwiss RS 40
<<locked>>
85%
56057
90%
**59
100%
ReloadSwiss RS 50
<<locked>>
95%
55390
89%
**72
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
55579
89%
**48
100%
ReloadSwiss RS 60
<<locked>>
97%
48588
78%
**15
100%
ReloadSwiss RS 62
<<locked>>
97%
42975
69%
**90
96%
ReloadSwiss RS 70
<<locked>>
97%
44266
71%
**07
96%
Rottweil R 901
<<locked>>
88%
55535
89%
**30
100%
Rottweil R 902
<<locked>>
93%
55637
89%
**49
100%
Rottweil R 903
<<locked>>
97%
52997
85%
**72
100%
Rottweil R 907
<<locked>>
97%
51474
83%
**03
95%
SNPE Vectan SP 11 👍
<<locked>>
97%
54984
88%
**35
100%
SNPE Vectan SP 7
<<locked>>
90%
55434
89%
**72
98%
SNPE Vectan SP 9
<<locked>>
92%
55622
89%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
55216
89%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
55172
88%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49168
79%
**38
95%
Shooters World Long Rifle
<<locked>>
97%
49124
79%
**80
97%
Shooters World Match Rifle
<<locked>>
91%
56086
90%
**89
100%
Shooters World Precision
<<locked>>
94%
55347
89%
**72
100%
Shooters World Tactical Rifle
<<locked>>
83%
55434
89%
**26
100%
Somchem S321
<<locked>>
86%
55811
89%
**85
100%
Somchem S335
<<locked>>
91%
56028
90%
**03
100%
Somchem S341
<<locked>>
90%
55941
90%
**82
100%
Somchem S355
<<locked>>
97%
53925
86%
**79
100%
Somchem S365
<<locked>>
97%
39392
63%
**34
99%
Vihtavuori N130
<<locked>>
87%
55651
89%
**57
100%
Vihtavuori N133
<<locked>>
92%
55550
89%
**74
100%
Vihtavuori N135
<<locked>>
97%
51953
83%
**90
100%
Vihtavuori N140
<<locked>>
93%
55724
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
45992
74%
**34
100%
Vihtavuori N160
<<locked>>
97%
47979
77%
**03
98%
Vihtavuori N530
<<locked>>
87%
55825
90%
**75
100%
Vihtavuori N540
<<locked>>
93%
55869
90%
**69
100%
Vihtavuori N550
<<locked>>
97%
48356
78%
**49
98%
[Vihtavuori N555]*
<<locked>>
97%
33344
53%
**16
94%
Winchester 6.5 StaBALL
<<locked>>
97%
46702
75%
**64
99%
Winchester 748
<<locked>>
87%
55680
89%
**15
100%
Winchester 760
<<locked>>
97%
51793
83%
**02
96%
Winchester StaBALL Match
<<locked>>
85%
55854
90%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41974
67%
**75
98%
ADI AR 2208
<<locked>>
81%
35868
58%
**44
95%
Accurate 2015
<<locked>>
81%
47413
76%
**85
100%
Accurate 2200
<<locked>>
81%
44005
71%
**72
97%
Accurate 2230
<<locked>>
81%
49559
79%
**61
99%
Accurate 2460
<<locked>>
81%
49908
80%
**70
100%
Accurate 2495
<<locked>>
81%
43178
69%
**85
100%
Accurate 2520
<<locked>>
81%
43149
69%
**05
100%
[Accurate 2700]*
<<locked>>
84%
38058
61%
**31
90%
Accurate 4064
<<locked>>
81%
36506
59%
**83
100%
[Accurate 4350]*
<<locked>>
82%
27238
44%
**23
90%
Alliant AR-Comp
<<locked>>
81%
43236
69%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
35128
56%
**60
97%
Alliant Reloder-10x
<<locked>>
81%
51198
82%
**44
100%
Alliant Reloder-15
<<locked>>
81%
37913
61%
**16
96%
[Alliant Reloder-16]*
<<locked>>
82%
28877
46%
**36
90%
[Alliant Reloder-17]*
<<locked>>
81%
30560
49%
**18
94%
[Alliant Reloder-23]*
<<locked>>
90%
26382
42%
**93
90%
Baschieri & Pellagri 107
<<locked>>
81%
40785
65%
**75
96%
Hodgdon BL-C2
<<locked>>
81%
42714
68%
**25
99%
Hodgdon Benchmark
<<locked>>
81%
46093
74%
**82
100%
[Hodgdon CFE223]*
<<locked>>
81%
35868
58%
**10
94%
Hodgdon H322
<<locked>>
81%
46528
75%
**28
100%
[Hodgdon H380]*
<<locked>>
81%
35795
57%
**64
94%
[Hodgdon H414]*
<<locked>>
85%
35157
56%
**90
90%
[Hodgdon H4350]*
<<locked>>
92%
37608
60%
**83
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25483
41%
**28
91%
[Hodgdon LVR]*
<<locked>>
81%
29950
48%
**52
90%
[Hodgdon Superperformance]*
<<locked>>
91%
39073
63%
**75
90%
Hodgdon VARGET
<<locked>>
81%
35331
57%
**28
95%
IMR 3031
<<locked>>
81%
37971
61%
**29
100%
IMR 4064
<<locked>>
81%
35172
56%
**21
95%
[IMR 4166 Enduron]*
<<locked>>
81%
35433
57%
**82
90%
IMR 4198
<<locked>>
81%
51401
82%
**05
100%
[IMR 4350]*
<<locked>>
90%
37333
60%
**77
90%
[IMR 4451 Enduron]*
<<locked>>
83%
35491
57%
**18
90%
[IMR 4831]*
<<locked>>
86%
27311
44%
**00
90%
IMR 4895
<<locked>>
81%
38682
62%
**43
97%
IMR 8208 XBR
<<locked>>
81%
44063
71%
**88
99%
Lovex D073.4
<<locked>>
81%
51459
83%
**80
100%
Lovex D073.5
<<locked>>
81%
49516
79%
**67
100%
Lovex D073.6
<<locked>>
81%
40683
65%
**65
100%
Lovex S060
<<locked>>
81%
42395
68%
**16
98%
Lovex S062
<<locked>>
81%
37550
60%
**77
98%
[Lovex S065]*
<<locked>>
81%
30937
50%
**26
90%
[Lovex S070]*
<<locked>>
87%
34490
55%
**21
90%
Norma 201
<<locked>>
81%
41307
66%
**39
99%
Norma 202
<<locked>>
81%
41075
66%
**46
100%
Norma 203B
<<locked>>
81%
37101
59%
**03
96%
[Norma URP]*
<<locked>>
82%
28137
45%
**23
90%
Ramshot Big Game
<<locked>>
81%
36448
58%
**10
96%
[Ramshot Hunter]*
<<locked>>
88%
33272
53%
**47
90%
Ramshot TAC
<<locked>>
81%
43656
70%
**79
95%
Ramshot Wild Boar
<<locked>>
81%
42714
68%
**02
98%
Ramshot X-Terminator
<<locked>>
81%
47398
76%
**28
99%
ReloadSwiss RS 40
<<locked>>
81%
49110
79%
**61
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36245
58%
**47
92%
ReloadSwiss RS 52
<<locked>>
81%
35592
57%
**16
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
29689
48%
**98
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
29080
47%
**75
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
32909
53%
**51
90%
Rottweil R 901
<<locked>>
81%
45832
73%
**85
100%
Rottweil R 902
<<locked>>
81%
39537
63%
**97
98%
Rottweil R 903
<<locked>>
81%
32489
52%
**11
96%
[Rottweil R 907]*
<<locked>>
85%
36738
59%
**41
90%
SNPE Vectan SP 11
<<locked>>
81%
33547
54%
**54
95%
SNPE Vectan SP 7
<<locked>>
81%
42090
67%
**62
96%
SNPE Vectan SP 9
<<locked>>
81%
40480
65%
**49
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42699
68%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35302
57%
**78
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
33794
54%
**72
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30937
50%
**26
90%
Shooters World Match Rifle
<<locked>>
81%
40683
65%
**65
100%
Shooters World Precision
<<locked>>
81%
37550
60%
**77
98%
Shooters World Tactical Rifle
<<locked>>
81%
51735
83%
**74
100%
Somchem S321
<<locked>>
81%
47137
76%
**61
100%
Somchem S335
<<locked>>
81%
42322
68%
**06
100%
Somchem S341
<<locked>>
81%
41292
66%
**56
97%
Somchem S355
<<locked>>
81%
33692
54%
**18
96%
[Somchem S365]*
<<locked>>
81%
24685
40%
**54
92%
Vihtavuori N130
<<locked>>
81%
47253
76%
**46
100%
Vihtavuori N133
<<locked>>
81%
40306
65%
**60
100%
Vihtavuori N135
<<locked>>
81%
32793
53%
**78
100%
Vihtavuori N140
<<locked>>
81%
38392
62%
**83
100%
Vihtavuori N150
<<locked>>
81%
28834
46%
**90
96%
[Vihtavuori N160]*
<<locked>>
81%
29573
47%
**29
91%
Vihtavuori N530
<<locked>>
81%
46325
74%
**34
99%
Vihtavuori N540
<<locked>>
81%
38392
62%
**03
100%
[Vihtavuori N550]*
<<locked>>
81%
30008
48%
**75
91%
[Vihtavuori N555]*
<<locked>>
89%
26498
42%
**29
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28674
46%
**87
93%
Winchester 748
<<locked>>
81%
45977
74%
**74
100%
[Winchester 760]*
<<locked>>
85%
35157
56%
**90
90%
Winchester StaBALL Match
<<locked>>
81%
48834
78%
**10
99%

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.

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