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Load data for .375 Raptor + .375 | 300gr | Hornady InterLock RN

Recommended Powder(s): Accurate 2520, Hodgdon H322, Hodgdon H335, Somchem S321, Winchester 748

.375 Raptor + .375 | 300gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Hornady InterLock RN
Manufacturer SKU:
3720
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.184" | 30.1mm
Caliber:
.375 Raptor load data
Case Length (l3):
1.865" | 47.4mm
Cartridge Length (C.O.L.):
2.758" | 70.1mm
Seated Depth:
0.291" | 7.4mm
Shank Seated Depth:
0.291" | 7.4mm
Case Capacity:
60.0 Grains of Water | 3.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58015 psi | 4000 bar
LID:
LID_B2813_C556
Last updated:
2025-02-02

Load data for 154 loads in caliber .375 Raptor with .375 | 300gr | Hornady InterLock RN bullet and 77 powders such as Accurate 2520, Hodgdon H322, Hodgdon H335, Somchem S321, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 18.5 fps

  • .

    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>>
96%
47253
81%
**69
97%
ADI AR 2207
<<locked>>
87%
51764
89%
**16
100%
[ADI AR 2208]*
<<locked>>
96%
40321
69%
**41
94%
ADI AR 2219
<<locked>>
90%
51372
89%
**01
100%
Accurate 2015
<<locked>>
95%
51561
89%
**59
100%
Accurate 2200
<<locked>>
96%
51561
89%
**72
96%
Accurate 2230
<<locked>>
92%
51285
88%
**78
98%
Accurate 2460
<<locked>>
93%
51329
88%
**95
99%
Accurate 2495
<<locked>>
97%
46137
80%
**78
100%
Accurate 2520 👍
<<locked>>
97%
48863
84%
**08
100%
Accurate 4064
<<locked>>
97%
37971
65%
**73
99%
Alliant AR-Comp
<<locked>>
96%
47384
82%
**78
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
38261
66%
**57
96%
Alliant Reloder-10x
<<locked>>
92%
51227
88%
**62
100%
Alliant Reloder-15
<<locked>>
96%
41597
72%
**03
95%
[Alliant Reloder-17]*
<<locked>>
97%
34766
60%
**18
92%
Alliant Reloder-7
<<locked>>
86%
51924
90%
**13
100%
Baschieri & Pellagri 106
<<locked>>
90%
51822
89%
**19
100%
Baschieri & Pellagri 107
<<locked>>
97%
46963
81%
**69
95%
Hodgdon BL-C2
<<locked>>
97%
49501
85%
**34
99%
Hodgdon Benchmark
<<locked>>
95%
51996
90%
**59
99%
Hodgdon CFE BLK
<<locked>>
86%
52127
90%
**26
99%
[Hodgdon CFE223]*
<<locked>>
96%
41147
71%
**10
93%
Hodgdon H322 👍
<<locked>>
96%
52170
90%
**08
100%
Hodgdon H335 👍
<<locked>>
90%
52054
90%
**21
100%
[Hodgdon H380]*
<<locked>>
97%
39943
69%
**64
93%
Hodgdon H4198
<<locked>>
87%
51213
88%
**03
100%
[Hodgdon VARGET]*
<<locked>>
96%
39885
69%
**34
94%
IMR 3031
<<locked>>
97%
41597
72%
**26
100%
[IMR 4064]*
<<locked>>
97%
39407
68%
**21
94%
IMR 4198
<<locked>>
91%
51329
88%
**19
100%
IMR 4895
<<locked>>
96%
42482
73%
**36
96%
IMR 8208 XBR
<<locked>>
96%
50415
87%
**82
99%
Lovex D073.4
<<locked>>
92%
52083
90%
**88
99%
Lovex D073.5
<<locked>>
94%
51677
89%
**98
99%
Lovex D073.6
<<locked>>
97%
44831
77%
**56
99%
Lovex S060
<<locked>>
97%
49806
86%
**29
97%
Lovex S062
<<locked>>
97%
41437
71%
**77
97%
Norma 200
<<locked>>
88%
51198
88%
**42
100%
Norma 201
<<locked>>
97%
46804
81%
**39
98%
Norma 202
<<locked>>
97%
46456
80%
**49
100%
Norma 203B
<<locked>>
96%
40756
70%
**96
95%
Ramshot Big Game
<<locked>>
97%
41510
72%
**13
95%
Ramshot TAC
<<locked>>
97%
51634
89%
**88
95%
Ramshot Wild Boar
<<locked>>
97%
49690
86%
**08
97%
Ramshot X-Terminator
<<locked>>
94%
51082
88%
**69
97%
ReloadSwiss RS 40
<<locked>>
93%
51488
89%
**92
100%
ReloadSwiss RS 52
<<locked>>
97%
39392
68%
**10
97%
[ReloadSwiss RS 60]*
<<locked>>
97%
33910
58%
**01
93%
Rottweil R 901
<<locked>>
97%
50691
87%
**72
100%
Rottweil R 902
<<locked>>
96%
43526
75%
**87
98%
[Rottweil R 903]*
<<locked>>
97%
34272
59%
**01
94%
SNPE Vectan BA6 1/2
<<locked>>
86%
52025
90%
**06
100%
SNPE Vectan SP 10
<<locked>>
89%
51271
88%
**01
100%
[SNPE Vectan SP 11]*
<<locked>>
97%
37420
64%
**47
94%
SNPE Vectan SP 7
<<locked>>
97%
48443
84%
**59
95%
SNPE Vectan SP 9
<<locked>>
97%
45963
79%
**46
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
49545
85%
**06
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
39697
68%
**95
99%
Shooters World Match Rifle
<<locked>>
97%
44831
77%
**56
99%
Shooters World Precision
<<locked>>
97%
41437
71%
**77
97%
Shooters World Tactical Rifle
<<locked>>
91%
51503
89%
**59
98%
Somchem S321 👍
<<locked>>
95%
51648
89%
**24
99%
Somchem S335
<<locked>>
97%
48631
84%
**16
100%
Somchem S341
<<locked>>
97%
47863
83%
**59
97%
Somchem S355
<<locked>>
97%
36608
63%
**21
95%
Vihtavuori N120
<<locked>>
89%
51358
89%
**70
100%
Vihtavuori N130
<<locked>>
95%
52199
90%
**29
100%
Vihtavuori N133
<<locked>>
97%
45382
78%
**64
100%
Vihtavuori N135
<<locked>>
97%
34751
60%
**78
99%
Vihtavuori N140
<<locked>>
97%
43076
74%
**90
99%
[Vihtavuori N150]*
<<locked>>
97%
30966
53%
**00
94%
Vihtavuori N530
<<locked>>
96%
52112
90%
**15
99%
Vihtavuori N540
<<locked>>
96%
42424
73%
**06
99%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
32677
56%
**00
91%
Winchester 748 👍
<<locked>>
95%
51271
88%
**47
99%
Winchester StaBALL Match
<<locked>>
93%
51300
88%
**34
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
29370
51%
**57
91%
ADI AR 2207
<<locked>>
81%
43801
75%
**24
100%
[ADI AR 2208]*
<<locked>>
87%
30690
53%
**64
90%
ADI AR 2219
<<locked>>
81%
38464
66%
**24
99%
Accurate 2015
<<locked>>
81%
33330
57%
**09
100%
[Accurate 2200]*
<<locked>>
82%
32793
57%
**86
90%
[Accurate 2230]*
<<locked>>
81%
34403
59%
**32
94%
Accurate 2460
<<locked>>
81%
34156
59%
**42
96%
Accurate 2495
<<locked>>
81%
27151
47%
**70
98%
Accurate 2520
<<locked>>
81%
28137
48%
**77
95%
[Accurate 4064]*
<<locked>>
81%
22902
39%
**65
94%
Alliant AR-Comp
<<locked>>
81%
29327
51%
**96
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
84%
25744
44%
**01
90%
Alliant Reloder-10x
<<locked>>
81%
36680
63%
**69
100%
[Alliant Reloder-15]*
<<locked>>
85%
29631
51%
**83
90%
[Alliant Reloder-17]*
<<locked>>
94%
31386
54%
**46
90%
Alliant Reloder-7
<<locked>>
81%
44976
78%
**31
100%
Baschieri & Pellagri 106
<<locked>>
81%
38972
67%
**52
100%
[Baschieri & Pellagri 107]*
<<locked>>
85%
32634
56%
**29
90%
[Hodgdon BL-C2]*
<<locked>>
81%
28776
50%
**86
92%
Hodgdon Benchmark
<<locked>>
81%
33736
58%
**86
95%
Hodgdon CFE BLK
<<locked>>
81%
43642
75%
**18
97%
[Hodgdon CFE223]*
<<locked>>
91%
33924
58%
**78
90%
Hodgdon H322
<<locked>>
81%
32895
57%
**29
98%
Hodgdon H335
<<locked>>
81%
37753
65%
**24
98%
[Hodgdon H380]*
<<locked>>
92%
33968
59%
**62
90%
Hodgdon H4198
<<locked>>
81%
42627
73%
**88
99%
[Hodgdon VARGET]*
<<locked>>
88%
30922
53%
**67
90%
IMR 3031
<<locked>>
81%
25904
45%
**27
97%
[IMR 4064]*
<<locked>>
87%
29675
51%
**41
90%
IMR 4198
<<locked>>
81%
38363
66%
**52
100%
[IMR 4895]*
<<locked>>
83%
27934
48%
**57
90%
[IMR 8208 XBR]*
<<locked>>
81%
31227
54%
**77
94%
Lovex D073.4
<<locked>>
81%
35781
62%
**62
97%
Lovex D073.5
<<locked>>
81%
33692
58%
**36
96%
[Lovex D073.6]*
<<locked>>
81%
26585
46%
**37
94%
[Lovex S060]*
<<locked>>
81%
31111
54%
**27
92%
[Lovex S062]*
<<locked>>
81%
25353
44%
**68
91%
Norma 200
<<locked>>
81%
41553
72%
**24
100%
[Norma 201]*
<<locked>>
81%
28906
50%
**34
93%
Norma 202
<<locked>>
81%
28239
49%
**44
96%
[Norma 203B]*
<<locked>>
84%
27876
48%
**50
90%
[Ramshot Big Game]*
<<locked>>
87%
30618
53%
**03
90%
[Ramshot TAC]*
<<locked>>
86%
36434
63%
**62
90%
[Ramshot Wild Boar]*
<<locked>>
81%
29776
51%
**73
91%
[Ramshot X-Terminator]*
<<locked>>
81%
34055
59%
**13
93%
ReloadSwiss RS 40
<<locked>>
81%
35201
61%
**52
97%
[ReloadSwiss RS 52]*
<<locked>>
82%
25063
43%
**01
90%
[ReloadSwiss RS 60]*
<<locked>>
93%
30226
52%
**16
90%
Rottweil R 901
<<locked>>
81%
32155
55%
**86
97%
[Rottweil R 902]*
<<locked>>
81%
27296
47%
**91
92%
[Rottweil R 903]*
<<locked>>
87%
25701
44%
**18
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
46079
79%
**44
100%
SNPE Vectan SP 10
<<locked>>
81%
38725
67%
**31
99%
[SNPE Vectan SP 11]*
<<locked>>
90%
30356
52%
**06
90%
[SNPE Vectan SP 7]*
<<locked>>
86%
34127
59%
**39
90%
[SNPE Vectan SP 9]*
<<locked>>
82%
28587
49%
**37
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
30734
53%
**21
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
24918
43%
**16
95%
[Shooters World Match Rifle]*
<<locked>>
81%
26585
46%
**37
94%
[Shooters World Precision]*
<<locked>>
81%
25353
44%
**68
91%
Shooters World Tactical Rifle
<<locked>>
81%
37043
64%
**52
95%
Somchem S321
<<locked>>
81%
32663
56%
**32
95%
Somchem S335
<<locked>>
81%
30255
52%
**31
97%
[Somchem S341]*
<<locked>>
82%
29283
50%
**44
90%
[Somchem S355]*
<<locked>>
86%
26513
46%
**18
90%
Vihtavuori N120
<<locked>>
81%
40770
70%
**46
100%
Vihtavuori N130
<<locked>>
81%
34751
60%
**93
100%
Vihtavuori N133
<<locked>>
81%
28703
49%
**98
98%
Vihtavuori N135
<<locked>>
81%
21988
38%
**99
95%
Vihtavuori N140
<<locked>>
81%
26542
46%
**91
95%
[Vihtavuori N150]*
<<locked>>
88%
23975
41%
**36
90%
[Vihtavuori N530]*
<<locked>>
81%
32271
56%
**09
94%
[Vihtavuori N540]*
<<locked>>
81%
26252
45%
**04
94%
[Winchester 6.5 StaBALL]*
<<locked>>
94%
30385
52%
**50
90%
Winchester 748
<<locked>>
81%
31792
55%
**36
95%
[Winchester StaBALL Match]*
<<locked>>
81%
33953
59%
**69
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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