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Load data for .375 Raptor + .375 | 300gr | A-Square MONO RN

Recommended Powder(s): Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, Winchester 748

.375 Raptor + .375 | 300gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | A-Square MONO RN
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.375 Raptor load data
Case Length (l3):
1.865" | 47.4mm
Cartridge Length (C.O.L.):
2.758" | 70.1mm
Seated Depth:
0.257" | 6.5mm
Shank Seated Depth:
0.257" | 6.5mm
Case Capacity:
60.0 Grains of Water | 3.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58015 psi | 4000 bar
LID:
LID_B393_C556
Last updated:
2025-02-02

Load data for 154 loads in caliber .375 Raptor with .375 | 300gr | A-Square MONO RN bullet and 77 powders such as Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, Winchester 748. 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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    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>>
97%
49240
85%
**01
97%
ADI AR 2207
<<locked>>
86%
51387
89%
**19
100%
ADI AR 2208
<<locked>>
97%
41626
72%
**67
95%
ADI AR 2219
<<locked>>
89%
51503
89%
**11
100%
Accurate 2015
<<locked>>
94%
51663
89%
**69
100%
Accurate 2200
<<locked>>
95%
51184
88%
**78
96%
Accurate 2230
<<locked>>
92%
51953
90%
**92
98%
Accurate 2460
<<locked>>
93%
52040
90%
**08
99%
Accurate 2495
<<locked>>
97%
46978
81%
**88
100%
Accurate 2520 👍
<<locked>>
97%
49806
86%
**24
100%
Accurate 4064
<<locked>>
97%
38682
67%
**83
99%
Alliant AR-Comp
<<locked>>
97%
49385
85%
**01
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
39610
68%
**87
96%
Alliant Reloder-10x
<<locked>>
92%
52040
90%
**75
100%
Alliant Reloder-15
<<locked>>
97%
43482
75%
**42
96%
[Alliant Reloder-17]*
<<locked>>
97%
35143
61%
**41
93%
Alliant Reloder-7
<<locked>>
85%
51488
89%
**16
100%
Baschieri & Pellagri 106
<<locked>>
89%
51793
89%
**26
100%
Baschieri & Pellagri 107
<<locked>>
97%
48602
84%
**01
96%
Hodgdon BL-C2
<<locked>>
97%
50024
86%
**47
99%
Hodgdon Benchmark
<<locked>>
95%
51793
89%
**65
99%
Hodgdon CFE BLK
<<locked>>
86%
51938
90%
**33
99%
[Hodgdon CFE223]*
<<locked>>
97%
42583
73%
**42
94%
Hodgdon H322 👍
<<locked>>
95%
51503
89%
**11
100%
Hodgdon H335
<<locked>>
90%
51779
89%
**24
100%
[Hodgdon H380]*
<<locked>>
96%
40306
69%
**83
93%
Hodgdon H4198
<<locked>>
87%
51880
89%
**16
100%
Hodgdon VARGET
<<locked>>
97%
41002
71%
**60
95%
IMR 3031
<<locked>>
97%
42250
73%
**42
100%
IMR 4064
<<locked>>
97%
40654
70%
**51
95%
IMR 4198
<<locked>>
91%
52054
90%
**33
100%
IMR 4895
<<locked>>
97%
44193
76%
**65
97%
IMR 8208 XBR
<<locked>>
96%
51184
88%
**01
99%
Lovex D073.4
<<locked>>
91%
51648
89%
**92
99%
Lovex D073.5
<<locked>>
93%
51706
89%
**05
99%
Lovex D073.6
<<locked>>
97%
46325
80%
**82
99%
Lovex S060
<<locked>>
97%
50792
88%
**52
98%
Lovex S062
<<locked>>
97%
42235
73%
**96
97%
Norma 200
<<locked>>
87%
52054
90%
**56
100%
Norma 201
<<locked>>
97%
47297
82%
**52
98%
Norma 202
<<locked>>
97%
48022
83%
**75
100%
Norma 203B
<<locked>>
97%
42409
73%
**29
96%
Ramshot Big Game
<<locked>>
97%
43033
74%
**42
96%
Ramshot TAC
<<locked>>
96%
51619
89%
**95
95%
Ramshot Wild Boar
<<locked>>
97%
51503
89%
**41
98%
Ramshot X-Terminator
<<locked>>
94%
51938
90%
**92
98%
ReloadSwiss RS 40
<<locked>>
92%
51503
89%
**01
100%
ReloadSwiss RS 52
<<locked>>
97%
40843
70%
**42
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
34621
60%
**24
93%
Rottweil R 901
<<locked>>
96%
51517
89%
**88
100%
Rottweil R 902
<<locked>>
97%
44875
77%
**10
98%
Rottweil R 903
<<locked>>
96%
35375
61%
**24
95%
SNPE Vectan BA6 1/2
<<locked>>
85%
51750
89%
**06
100%
SNPE Vectan SP 10
<<locked>>
89%
51532
89%
**11
100%
[SNPE Vectan SP 11]*
<<locked>>
97%
38885
67%
**83
94%
SNPE Vectan SP 7
<<locked>>
97%
50314
87%
**88
95%
SNPE Vectan SP 9
<<locked>>
97%
47761
82%
**82
97%
SNPE Vectan Tubal 3000
<<locked>>
96%
50488
87%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
40683
70%
**14
100%
Shooters World Match Rifle
<<locked>>
97%
46325
80%
**82
99%
Shooters World Precision
<<locked>>
97%
42235
73%
**96
97%
Shooters World Tactical Rifle
<<locked>>
90%
51213
88%
**65
98%
Somchem S321 👍
<<locked>>
94%
51445
89%
**28
99%
Somchem S335
<<locked>>
97%
49139
85%
**29
100%
Somchem S341
<<locked>>
97%
49603
86%
**92
97%
Somchem S355
<<locked>>
97%
37072
64%
**37
95%
Vihtavuori N120
<<locked>>
88%
52141
90%
**83
100%
Vihtavuori N130
<<locked>>
94%
51576
89%
**26
100%
Vihtavuori N133
<<locked>>
97%
46862
81%
**90
100%
Vihtavuori N135
<<locked>>
96%
35404
61%
**95
100%
Vihtavuori N140
<<locked>>
97%
44063
76%
**10
100%
Vihtavuori N150
<<locked>>
96%
31386
54%
**13
95%
Vihtavuori N530 👍
<<locked>>
95%
52083
90%
**21
99%
Vihtavuori N540
<<locked>>
97%
43584
75%
**29
99%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
33794
58%
**29
92%
Winchester 748 👍
<<locked>>
95%
52127
90%
**64
100%
Winchester StaBALL Match
<<locked>>
92%
50981
88%
**38
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
30124
52%
**80
92%
ADI AR 2207
<<locked>>
81%
44498
77%
**37
100%
[ADI AR 2208]*
<<locked>>
86%
30516
53%
**64
90%
ADI AR 2219
<<locked>>
81%
39320
68%
**51
99%
Accurate 2015
<<locked>>
81%
34345
59%
**29
100%
[Accurate 2200]*
<<locked>>
81%
32518
56%
**83
90%
Accurate 2230
<<locked>>
81%
35462
61%
**59
95%
Accurate 2460
<<locked>>
81%
35070
60%
**65
97%
Accurate 2495
<<locked>>
81%
27949
48%
**86
99%
Accurate 2520
<<locked>>
81%
29153
50%
**00
95%
Accurate 4064
<<locked>>
81%
23844
41%
**91
95%
Alliant AR-Comp
<<locked>>
81%
29921
52%
**16
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
25309
44%
**95
90%
Alliant Reloder-10x
<<locked>>
81%
37608
65%
**88
100%
[Alliant Reloder-15]*
<<locked>>
84%
29211
50%
**83
90%
[Alliant Reloder-17]*
<<locked>>
92%
30879
53%
**42
90%
Alliant Reloder-7
<<locked>>
81%
45716
79%
**47
100%
Baschieri & Pellagri 106
<<locked>>
81%
39972
69%
**75
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
31575
54%
**16
90%
[Hodgdon BL-C2]*
<<locked>>
81%
29472
51%
**06
93%
Hodgdon Benchmark
<<locked>>
81%
34534
60%
**06
96%
Hodgdon CFE BLK
<<locked>>
81%
44556
77%
**37
98%
[Hodgdon CFE223]*
<<locked>>
89%
33257
57%
**72
90%
Hodgdon H322
<<locked>>
81%
33518
58%
**46
98%
Hodgdon H335
<<locked>>
81%
38464
66%
**44
99%
[Hodgdon H380]*
<<locked>>
90%
33054
57%
**52
90%
Hodgdon H4198
<<locked>>
81%
43178
74%
**05
100%
[Hodgdon VARGET]*
<<locked>>
86%
30153
52%
**57
90%
IMR 3031
<<locked>>
81%
26353
45%
**44
97%
[IMR 4064]*
<<locked>>
86%
28950
50%
**31
90%
IMR 4198
<<locked>>
81%
39030
67%
**69
100%
[IMR 4895]*
<<locked>>
82%
27557
48%
**54
90%
[IMR 8208 XBR]*
<<locked>>
81%
31995
55%
**03
94%
Lovex D073.4
<<locked>>
81%
36709
63%
**82
97%
Lovex D073.5
<<locked>>
81%
34780
60%
**62
96%
Lovex D073.6
<<locked>>
81%
27195
47%
**57
95%
[Lovex S060]*
<<locked>>
81%
32010
55%
**54
92%
[Lovex S062]*
<<locked>>
81%
26397
45%
**98
92%
Norma 200
<<locked>>
81%
42482
73%
**41
100%
[Norma 201]*
<<locked>>
81%
29602
51%
**54
93%
Norma 202
<<locked>>
81%
28935
50%
**67
96%
[Norma 203B]*
<<locked>>
83%
27615
48%
**50
90%
[Ramshot Big Game]*
<<locked>>
86%
30095
52%
**00
90%
[Ramshot TAC]*
<<locked>>
85%
35868
62%
**55
90%
[Ramshot Wild Boar]*
<<locked>>
81%
30632
53%
**96
91%
[Ramshot X-Terminator]*
<<locked>>
81%
35012
60%
**36
93%
ReloadSwiss RS 40
<<locked>>
81%
35998
62%
**75
97%
[ReloadSwiss RS 52]*
<<locked>>
81%
24903
43%
**04
90%
[ReloadSwiss RS 60]*
<<locked>>
92%
29733
51%
**13
90%
Rottweil R 901
<<locked>>
81%
32953
57%
**03
97%
[Rottweil R 902]*
<<locked>>
81%
27992
48%
**14
92%
[Rottweil R 903]*
<<locked>>
86%
25483
44%
**18
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
46789
81%
**57
100%
SNPE Vectan SP 10
<<locked>>
81%
39856
69%
**51
99%
[SNPE Vectan SP 11]*
<<locked>>
88%
29834
51%
**03
90%
[SNPE Vectan SP 7]*
<<locked>>
85%
33649
58%
**36
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
28906
50%
**50
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
31618
55%
**44
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
25744
44%
**39
96%
Shooters World Match Rifle
<<locked>>
81%
27195
47%
**57
95%
[Shooters World Precision]*
<<locked>>
81%
26397
45%
**98
92%
Shooters World Tactical Rifle
<<locked>>
81%
37927
65%
**78
96%
Somchem S321
<<locked>>
81%
33489
58%
**52
95%
Somchem S335
<<locked>>
81%
30806
53%
**47
98%
[Somchem S341]*
<<locked>>
81%
29385
51%
**54
91%
[Somchem S355]*
<<locked>>
86%
26455
46%
**21
90%
Vihtavuori N120
<<locked>>
81%
41655
72%
**62
100%
Vihtavuori N130
<<locked>>
81%
35302
61%
**09
100%
Vihtavuori N133
<<locked>>
81%
29356
51%
**18
99%
Vihtavuori N135
<<locked>>
81%
22553
39%
**22
96%
Vihtavuori N140
<<locked>>
81%
27528
47%
**18
96%
[Vihtavuori N150]*
<<locked>>
86%
23482
40%
**29
90%
Vihtavuori N530
<<locked>>
81%
33243
57%
**36
95%
Vihtavuori N540
<<locked>>
81%
26818
46%
**24
95%
[Winchester 6.5 StaBALL]*
<<locked>>
93%
30472
53%
**60
90%
Winchester 748
<<locked>>
81%
32547
56%
**62
95%
[Winchester StaBALL Match]*
<<locked>>
81%
34606
60%
**88
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.

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