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Load data for 37XC + .375 | 221gr | SUS-TAC HPT

Recommended Powder(s): Accurate 4350, Hodgdon H414, ReloadSwiss RS 62, Vihtavuori N550, Winchester 760

37XC + .375 | 221gr | SUS-TAC HPT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 221gr | SUS-TAC HPT
Manufacturer SKU:
H12924
Bullet Weight:
221gr | 14.3g
Bullet Diameter:
0.375" | 9.52mm
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_B10326_C453
Last updated:
2026-03-14

Load data for 224 loads in caliber 37XC with .375 | 221gr | SUS-TAC HPT bullet and 112 powders such as Accurate 4350, 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 APS 450
<<locked>>
84%
62381
90%
**38
101%
ADI AR 2206H
<<locked>>
86%
62381
90%
**50
100%
ADI AR 2208
<<locked>>
91%
62439
90%
**30
100%
ADI AR 2209
<<locked>>
97%
52127
75%
**35
96%
[ADI AR 2213]*
<<locked>>
97%
46847
67%
**56
93%
ADI Benchmark 8208
<<locked>>
85%
62569
90%
**07
100%
Accurate 2200
<<locked>>
85%
62265
89%
**14
100%
Accurate 2495
<<locked>>
84%
62149
89%
**68
100%
Accurate 2520
<<locked>>
84%
62381
90%
**04
100%
Accurate 2700
<<locked>>
92%
62497
90%
**74
99%
Accurate 3100
<<locked>>
97%
45266
65%
**77
97%
Accurate 4064
<<locked>>
90%
62642
90%
**97
100%
Accurate 4350 👍
<<locked>>
97%
62410
90%
**89
100%
Alliant AR-Comp
<<locked>>
84%
62584
90%
**51
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
62279
89%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
62569
90%
**46
100%
Alliant Reloder-15
<<locked>>
89%
62381
90%
**66
100%
Alliant Reloder-16
<<locked>>
97%
58987
85%
**86
100%
Alliant Reloder-17
<<locked>>
94%
62091
89%
**41
100%
Alliant Reloder-19
<<locked>>
97%
51430
74%
**28
96%
[Alliant Reloder-22]*
<<locked>>
97%
45310
65%
**49
94%
Alliant Reloder-23
<<locked>>
97%
42989
62%
**13
100%
Alliant Reloder-25
<<locked>>
97%
37623
54%
**99
95%
Alliant Reloder-26
<<locked>>
97%
48095
69%
**84
99%
Baschieri & Pellagri 107
<<locked>>
86%
62642
90%
**56
100%
[Bofors RP15]*
<<locked>>
97%
41423
59%
**61
93%
Bofors RP3
<<locked>>
90%
62207
89%
**36
100%
[Bofors RP5]*
<<locked>>
97%
45310
65%
**49
94%
Bofors RP7
<<locked>>
95%
62424
90%
**30
99%
Hodgdon BL-C2
<<locked>>
84%
62294
89%
**36
100%
Hodgdon Benchmark
<<locked>>
84%
62366
90%
**68
100%
Hodgdon CFE223
<<locked>>
89%
62627
90%
**86
100%
Hodgdon H380
<<locked>>
90%
62439
90%
**56
100%
Hodgdon H414 👍
<<locked>>
93%
62584
90%
**05
99%
Hodgdon H4350
<<locked>>
97%
56608
81%
**54
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48965
70%
**49
93%
Hodgdon H4895
<<locked>>
86%
62497
90%
**43
100%
Hodgdon Hybrid 100V
<<locked>>
97%
55143
79%
**48
100%
Hodgdon LVR
<<locked>>
95%
62366
90%
**82
100%
Hodgdon Superperformance
<<locked>>
95%
62337
90%
**28
99%
Hodgdon VARGET
<<locked>>
92%
62439
90%
**30
100%
Hodgdon TrailBoss
<<locked>>
97%
34476
50%
**93
100%
IMR 3031
<<locked>>
88%
62526
90%
**10
100%
IMR 4064
<<locked>>
92%
62163
89%
**10
100%
IMR 4166 Enduron
<<locked>>
93%
62642
90%
**17
99%
IMR 4350
<<locked>>
97%
59799
86%
**00
98%
IMR 4451 Enduron
<<locked>>
94%
62163
89%
**30
99%
IMR 4831
<<locked>>
97%
52214
75%
**15
100%
IMR 4895
<<locked>>
88%
62105
89%
**69
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48602
70%
**04
93%
[IMR 7828 SSC]*
<<locked>>
97%
47456
68%
**72
93%
IMR 8208 XBR
<<locked>>
85%
62569
90%
**07
100%
Lovex D073.6
<<locked>>
86%
62381
90%
**04
100%
Lovex S060
<<locked>>
87%
62584
90%
**84
100%
Lovex S062
<<locked>>
90%
62308
90%
**07
100%
Lovex S065
<<locked>>
96%
62468
90%
**30
100%
Lovex S070
<<locked>>
97%
61583
88%
**33
99%
Lovex S071
<<locked>>
97%
37550
54%
**17
95%
Norma 201
<<locked>>
87%
62584
90%
**04
100%
Norma 202
<<locked>>
87%
62642
90%
**94
100%
Norma 203B
<<locked>>
89%
62511
90%
**59
100%
Norma 204
<<locked>>
97%
61163
88%
**59
98%
Norma MRP
<<locked>>
97%
47805
69%
**38
97%
Norma URP
<<locked>>
97%
60176
86%
**63
100%
Ramshot Big Game
<<locked>>
88%
62149
89%
**66
100%
[Ramshot Grand]*
<<locked>>
97%
50531
73%
**41
94%
Ramshot Hunter
<<locked>>
97%
59669
86%
**66
99%
[Ramshot Magnum]*
<<locked>>
97%
43656
63%
**81
94%
Ramshot TAC
<<locked>>
85%
62526
90%
**33
100%
Ramshot Wild Boar
<<locked>>
84%
62105
89%
**33
100%
ReloadSwiss RS 14
<<locked>>
96%
34954
50%
**36
100%
ReloadSwiss RS 50
<<locked>>
90%
62482
90%
**40
99%
ReloadSwiss RS 52
<<locked>>
86%
62381
90%
**12
100%
ReloadSwiss RS 60
<<locked>>
92%
62526
90%
**51
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
62410
90%
**05
100%
ReloadSwiss RS 70
<<locked>>
97%
61148
88%
**45
100%
Rottweil R 901
<<locked>>
84%
62236
89%
**71
100%
Rottweil R 902
<<locked>>
89%
62555
90%
**94
100%
Rottweil R 903
<<locked>>
92%
62134
89%
**27
100%
Rottweil R 904
<<locked>>
97%
53780
77%
**15
95%
Rottweil R 905
<<locked>>
97%
50618
73%
**15
96%
Rottweil R 907
<<locked>>
95%
62424
90%
**30
99%
SNPE Vectan SP 11
<<locked>>
91%
62279
89%
**73
100%
SNPE Vectan SP 7
<<locked>>
85%
62584
90%
**30
100%
SNPE Vectan SP 9
<<locked>>
87%
62453
90%
**30
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
62221
89%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
62584
90%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
62018
89%
**71
99%
Shooters World Long Rifle
<<locked>>
96%
62468
90%
**30
100%
Shooters World Match Rifle
<<locked>>
86%
62381
90%
**04
100%
Shooters World Precision
<<locked>>
90%
62308
90%
**07
100%
Somchem S335
<<locked>>
87%
62497
90%
**18
100%
Somchem S341
<<locked>>
85%
62163
89%
**10
100%
Somchem S355
<<locked>>
93%
62497
90%
**30
100%
Somchem S361
<<locked>>
97%
55883
80%
**99
95%
Somchem S365
<<locked>>
97%
55637
80%
**17
100%
Somchem S385
<<locked>>
97%
51387
74%
**92
97%
Vihtavuori N130
<<locked>>
83%
62352
90%
**86
100%
Vihtavuori N133
<<locked>>
88%
62323
90%
**92
100%
Vihtavuori N135
<<locked>>
94%
62381
90%
**48
100%
Vihtavuori N140
<<locked>>
89%
62381
90%
**51
100%
Vihtavuori N150
<<locked>>
97%
60916
87%
**64
100%
Vihtavuori N160
<<locked>>
95%
62410
90%
**46
100%
[Vihtavuori N165]*
<<locked>>
97%
42221
61%
**02
94%
Vihtavuori N540
<<locked>>
89%
62511
90%
**91
100%
Vihtavuori N550 👍
<<locked>>
95%
62381
90%
**99
100%
Vihtavuori N555
<<locked>>
97%
47659
68%
**92
99%
[Vihtavuori N560]*
<<locked>>
97%
45759
66%
**63
92%
Winchester 6.5 StaBALL
<<locked>>
96%
62381
90%
**10
100%
Winchester 760 👍
<<locked>>
93%
62584
90%
**05
99%
Winchester StaBALL HD
<<locked>>
97%
35810
51%
**17
100%
Winchester Supreme 780
<<locked>>
97%
52939
76%
**02
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59306
85%
**85
100%
ADI AR 2206H
<<locked>>
81%
53287
77%
**09
100%
ADI AR 2208
<<locked>>
81%
45092
65%
**41
99%
[ADI AR 2209]*
<<locked>>
86%
36593
53%
**03
90%
[ADI AR 2213]*
<<locked>>
93%
41626
60%
**35
90%
ADI Benchmark 8208
<<locked>>
81%
55419
80%
**12
100%
Accurate 2200
<<locked>>
81%
55361
80%
**09
100%
Accurate 2495
<<locked>>
81%
56304
81%
**95
100%
Accurate 2520
<<locked>>
81%
56927
82%
**25
100%
Accurate 2700
<<locked>>
81%
43381
62%
**53
95%
[Accurate 3100]*
<<locked>>
84%
28514
41%
**80
90%
Accurate 4064
<<locked>>
81%
47601
68%
**77
100%
Accurate 4350
<<locked>>
81%
35824
51%
**00
96%
Alliant AR-Comp
<<locked>>
81%
56927
82%
**76
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
49443
71%
**58
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
45397
65%
**71
100%
Alliant Reloder-15
<<locked>>
81%
48617
70%
**46
99%
Alliant Reloder-16
<<locked>>
81%
35157
50%
**07
96%
Alliant Reloder-17
<<locked>>
81%
39900
57%
**51
99%
[Alliant Reloder-19]*
<<locked>>
86%
35679
51%
**84
90%
[Alliant Reloder-22]*
<<locked>>
90%
35897
52%
**26
90%
[Alliant Reloder-23]*
<<locked>>
81%
25643
37%
**38
92%
[Alliant Reloder-25]*
<<locked>>
89%
29704
43%
**56
90%
[Alliant Reloder-26]*
<<locked>>
82%
27978
40%
**49
90%
Baschieri & Pellagri 107
<<locked>>
81%
53142
76%
**22
100%
[Bofors RP15]*
<<locked>>
93%
36201
52%
**30
90%
Bofors RP3
<<locked>>
81%
45629
66%
**71
100%
[Bofors RP5]*
<<locked>>
90%
35897
52%
**26
90%
[Bofors RP7]*
<<locked>>
81%
40350
58%
**30
94%
Hodgdon BL-C2
<<locked>>
81%
56666
81%
**61
100%
Hodgdon Benchmark
<<locked>>
81%
56782
82%
**89
100%
Hodgdon CFE223
<<locked>>
81%
47616
68%
**56
99%
Hodgdon H380
<<locked>>
81%
46035
66%
**77
98%
Hodgdon H414
<<locked>>
81%
41321
59%
**25
95%
[Hodgdon H4350]*
<<locked>>
81%
34243
49%
**98
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
42337
61%
**15
90%
Hodgdon H4895
<<locked>>
81%
53853
77%
**22
100%
Hodgdon Hybrid 100V
<<locked>>
81%
32547
47%
**98
97%
Hodgdon LVR
<<locked>>
81%
38754
56%
**66
96%
[Hodgdon Superperformance]*
<<locked>>
81%
37144
53%
**53
92%
Hodgdon VARGET
<<locked>>
81%
44773
64%
**35
99%
Hodgdon TrailBoss
<<locked>>
81%
27456
39%
**36
100%
IMR 3031
<<locked>>
81%
49661
71%
**36
100%
IMR 4064
<<locked>>
81%
44237
64%
**22
99%
IMR 4166 Enduron
<<locked>>
81%
43540
63%
**76
95%
[IMR 4350]*
<<locked>>
81%
35824
51%
**38
92%
IMR 4451 Enduron
<<locked>>
81%
41727
60%
**59
95%
[IMR 4831]*
<<locked>>
81%
31125
45%
**66
94%
IMR 4895
<<locked>>
81%
49951
72%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
91%
40828
59%
**46
90%
[IMR 7828 SSC]*
<<locked>>
92%
40959
59%
**38
90%
IMR 8208 XBR
<<locked>>
81%
55419
80%
**12
100%
Lovex D073.6
<<locked>>
81%
53490
77%
**82
100%
Lovex S060
<<locked>>
81%
52098
75%
**27
100%
Lovex S062
<<locked>>
81%
47413
68%
**81
100%
Lovex S065
<<locked>>
81%
39233
56%
**13
96%
[Lovex S070]*
<<locked>>
81%
37391
54%
**84
94%
[Lovex S071]*
<<locked>>
89%
28761
41%
**84
90%
Norma 201
<<locked>>
81%
52054
75%
**43
100%
Norma 202
<<locked>>
81%
52489
75%
**49
100%
Norma 203B
<<locked>>
81%
48124
69%
**33
100%
[Norma 204]*
<<locked>>
82%
36448
52%
**84
90%
[Norma MRP]*
<<locked>>
86%
32677
47%
**67
90%
Norma URP
<<locked>>
81%
35737
51%
**00
96%
Ramshot Big Game
<<locked>>
81%
48283
69%
**43
100%
[Ramshot Grand]*
<<locked>>
91%
40205
58%
**28
90%
[Ramshot Hunter]*
<<locked>>
81%
34882
50%
**80
93%
[Ramshot Magnum]*
<<locked>>
91%
35302
51%
**80
90%
Ramshot TAC
<<locked>>
81%
55521
80%
**22
99%
Ramshot Wild Boar
<<locked>>
81%
55564
80%
**41
100%
ReloadSwiss RS 14
<<locked>>
81%
27905
40%
**78
100%
ReloadSwiss RS 50
<<locked>>
81%
46296
66%
**64
97%
ReloadSwiss RS 52
<<locked>>
81%
52330
75%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
42409
61%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
35433
51%
**10
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34911
50%
**07
94%
Rottweil R 901
<<locked>>
81%
56101
81%
**86
100%
Rottweil R 902
<<locked>>
81%
49371
71%
**97
100%
Rottweil R 903
<<locked>>
81%
42975
62%
**25
99%
[Rottweil R 904]*
<<locked>>
87%
39146
56%
**23
90%
[Rottweil R 905]*
<<locked>>
86%
35012
50%
**80
90%
[Rottweil R 907]*
<<locked>>
81%
40350
58%
**30
94%
SNPE Vectan SP 11
<<locked>>
81%
43961
63%
**67
99%
SNPE Vectan SP 7
<<locked>>
81%
54534
78%
**09
99%
SNPE Vectan SP 9
<<locked>>
81%
51663
74%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52939
76%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44425
64%
**40
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38522
55%
**51
94%
Shooters World Long Rifle
<<locked>>
81%
39233
56%
**13
96%
Shooters World Match Rifle
<<locked>>
81%
53490
77%
**82
100%
Shooters World Precision
<<locked>>
81%
47413
68%
**81
100%
Somchem S335
<<locked>>
81%
52750
76%
**84
100%
Somchem S341
<<locked>>
81%
54157
78%
**92
100%
Somchem S355
<<locked>>
81%
43323
62%
**25
99%
[Somchem S361]*
<<locked>>
88%
41466
60%
**40
90%
Somchem S365
<<locked>>
81%
32053
46%
**48
98%
[Somchem S385]*
<<locked>>
84%
32866
47%
**89
90%
Vihtavuori N130
<<locked>>
81%
58233
84%
**30
100%
Vihtavuori N133
<<locked>>
81%
49763
71%
**22
100%
Vihtavuori N135
<<locked>>
81%
42076
60%
**40
100%
Vihtavuori N140
<<locked>>
81%
49197
71%
**67
100%
Vihtavuori N150
<<locked>>
81%
37028
53%
**54
99%
Vihtavuori N160
<<locked>>
81%
38827
56%
**40
97%
[Vihtavuori N165]*
<<locked>>
90%
33823
49%
**05
90%
Vihtavuori N540
<<locked>>
81%
48994
70%
**87
100%
Vihtavuori N550
<<locked>>
81%
39204
56%
**82
97%
[Vihtavuori N555]*
<<locked>>
81%
27876
40%
**16
93%
[Vihtavuori N560]*
<<locked>>
94%
41829
60%
**77
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36753
53%
**74
98%
Winchester 760
<<locked>>
81%
41321
59%
**25
95%
[Winchester StaBALL HD]*
<<locked>>
83%
24294
35%
**31
90%
[Winchester Supreme 780]*
<<locked>>
86%
35984
52%
**57
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.

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