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Load data for .300 PRC + .308 | 165gr | Hornady GMX

Recommended Powder(s):

.300 PRC + .308 | 165gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Hornady GMX
Manufacturer SKU:
30470
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.429" | 36.3mm
Caliber:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
3.645" | 92.6mm
Seated Depth:
0.365" | 9.3mm
Shank Seated Depth:
0.164" | 4.2mm
Case Capacity:
99.0 Grains of Water | 6.43 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B2680_C370
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 144 loads in caliber .300 PRC with .308 | 165gr | Hornady GMX bullet and 72 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 2208
<<locked>>
84%
58378
90%
**22
100%
ADI AR 2209
<<locked>>
94%
58030
89%
**20
99%
ADI AR 2213
<<locked>>
97%
56869
88%
**30
98%
[ADI AR 2217]*
<<locked>>
97%
41191
63%
**99
93%
ADI AR 2225
<<locked>>
97%
36680
56%
**49
95%
Accurate 2700
<<locked>>
85%
58001
89%
**82
99%
Accurate 3100
<<locked>>
97%
56753
87%
**35
100%
Accurate 4350
<<locked>>
89%
58421
90%
**77
100%
Accurate MAGPRO
<<locked>>
97%
56014
86%
**23
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
58305
90%
**35
100%
Alliant Reloder-16
<<locked>>
90%
57740
89%
**17
100%
Alliant Reloder-17
<<locked>>
86%
58334
90%
**23
100%
Alliant Reloder-19
<<locked>>
95%
58175
90%
**10
99%
Alliant Reloder-22
<<locked>>
97%
56507
87%
**20
99%
Alliant Reloder-23
<<locked>>
97%
53519
82%
**48
100%
Alliant Reloder-25
<<locked>>
97%
46427
71%
**69
100%
Alliant Reloder-26 👍
<<locked>>
95%
58189
90%
**02
100%
[Hodgdon H1000]*
<<locked>>
97%
41191
63%
**99
93%
Hodgdon H414
<<locked>>
85%
58218
90%
**10
100%
Hodgdon H4350
<<locked>>
92%
58465
90%
**58
99%
Hodgdon H4831
<<locked>>
97%
52562
81%
**92
96%
Hodgdon H4831 SC
<<locked>>
96%
58334
90%
**87
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57957
89%
**35
100%
Hodgdon LVR
<<locked>>
88%
58189
90%
**77
100%
Hodgdon Retumbo
<<locked>>
97%
36680
56%
**49
95%
Hodgdon Superperformance
<<locked>>
87%
57870
89%
**33
100%
Hodgdon VARGET
<<locked>>
84%
58204
90%
**25
100%
Hodgdon TrailBoss
<<locked>>
97%
35375
54%
**86
100%
IMR 4064
<<locked>>
85%
58465
90%
**15
100%
IMR 4166 Enduron
<<locked>>
85%
57957
89%
**15
100%
IMR 4350
<<locked>>
90%
57754
89%
**45
99%
IMR 4451 Enduron
<<locked>>
86%
58073
89%
**31
100%
IMR 4831
<<locked>>
94%
58189
90%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
57551
89%
**48
97%
IMR 7828 SSC
<<locked>>
97%
58378
90%
**63
98%
Lovex S065
<<locked>>
88%
58392
90%
**28
100%
Lovex S070
<<locked>>
89%
58378
90%
**58
100%
Lovex S071
<<locked>>
97%
47558
73%
**81
99%
Norma 204 👍
<<locked>>
90%
58291
90%
**94
99%
[Norma 217]*
<<locked>>
97%
32561
50%
**67
92%
Norma MRP
<<locked>>
96%
57972
89%
**82
100%
Norma URP
<<locked>>
90%
58305
90%
**91
100%
Ramshot Hunter 👍
<<locked>>
90%
58131
89%
**07
100%
Ramshot Magnum
<<locked>>
97%
55303
85%
**87
99%
ReloadSwiss RS 14
<<locked>>
97%
35998
55%
**26
100%
ReloadSwiss RS 60
<<locked>>
87%
58436
90%
**50
100%
ReloadSwiss RS 62
<<locked>>
89%
58088
89%
**04
100%
ReloadSwiss RS 70
<<locked>>
89%
57653
89%
**53
100%
ReloadSwiss RS 76
<<locked>>
97%
45237
70%
**95
98%
Rottweil R 903
<<locked>>
85%
58218
90%
**28
100%
Rottweil R 904
<<locked>>
94%
58334
90%
**68
98%
Rottweil R 905
<<locked>>
95%
58334
90%
**07
99%
Rottweil R 907
<<locked>>
87%
57827
89%
**31
99%
SNPE Vectan SP 11
<<locked>>
84%
58059
89%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
58320
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
58349
90%
**86
100%
Shooters World Long Rifle
<<locked>>
88%
58392
90%
**28
100%
Somchem S355
<<locked>>
85%
57783
89%
**18
100%
Somchem S361
<<locked>>
93%
57827
89%
**22
97%
Somchem S365
<<locked>>
92%
58349
90%
**84
100%
Somchem S385
<<locked>>
95%
58334
90%
**77
99%
Vihtavuori N135
<<locked>>
86%
57899
89%
**27
100%
Vihtavuori N150
<<locked>>
90%
57957
89%
**76
100%
Vihtavuori N160
<<locked>>
87%
58175
90%
**41
100%
Vihtavuori N165
<<locked>>
97%
52069
80%
**56
98%
Vihtavuori N550
<<locked>>
87%
57870
89%
**81
100%
Vihtavuori N555 👍
<<locked>>
96%
58320
90%
**14
100%
Vihtavuori N560
<<locked>>
97%
56492
87%
**46
97%
Vihtavuori N565
<<locked>>
97%
48399
74%
**82
96%
Winchester 6.5 StaBALL
<<locked>>
89%
58030
89%
**05
100%
Winchester 760
<<locked>>
85%
58218
90%
**10
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49516
76%
**04
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52750
81%
**33
100%
[ADI AR 2209]*
<<locked>>
81%
37188
57%
**90
93%
[ADI AR 2213]*
<<locked>>
83%
35172
54%
**61
90%
[ADI AR 2217]*
<<locked>>
92%
35273
54%
**44
90%
[ADI AR 2225]*
<<locked>>
90%
29269
45%
**23
90%
Accurate 2700
<<locked>>
81%
51140
79%
**71
98%
Accurate 3100
<<locked>>
81%
33156
51%
**66
95%
Accurate 4350
<<locked>>
81%
44585
69%
**41
99%
[Accurate MAGPRO]*
<<locked>>
87%
39450
61%
**92
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53809
83%
**63
100%
Alliant Reloder-16
<<locked>>
81%
42511
65%
**48
100%
Alliant Reloder-17
<<locked>>
81%
49139
76%
**86
100%
[Alliant Reloder-19]*
<<locked>>
81%
37246
57%
**87
93%
[Alliant Reloder-22]*
<<locked>>
81%
32822
51%
**18
91%
Alliant Reloder-23
<<locked>>
81%
31647
49%
**89
98%
[Alliant Reloder-25]*
<<locked>>
81%
27688
43%
**70
92%
Alliant Reloder-26
<<locked>>
81%
34287
53%
**23
97%
[Hodgdon H1000]*
<<locked>>
92%
35273
54%
**44
90%
Hodgdon H414
<<locked>>
81%
50140
77%
**69
99%
Hodgdon H4350
<<locked>>
81%
40973
63%
**26
96%
[Hodgdon H4831]*
<<locked>>
85%
35737
55%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
35984
55%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40074
62%
**30
100%
Hodgdon LVR
<<locked>>
81%
47050
72%
**97
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29269
45%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
45455
70%
**04
98%
Hodgdon VARGET
<<locked>>
81%
52460
81%
**33
100%
Hodgdon TrailBoss
<<locked>>
81%
27963
43%
**19
100%
IMR 4064
<<locked>>
81%
52025
80%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
50531
78%
**84
99%
IMR 4350
<<locked>>
81%
42917
66%
**69
97%
IMR 4451 Enduron
<<locked>>
81%
49023
75%
**81
99%
IMR 4831
<<locked>>
81%
38348
59%
**97
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35230
54%
**89
90%
[IMR 7828 SSC]*
<<locked>>
82%
35056
54%
**71
90%
Lovex S065
<<locked>>
81%
46644
72%
**28
99%
Lovex S070
<<locked>>
81%
44802
69%
**15
98%
[Lovex S071]*
<<locked>>
81%
28311
44%
**31
93%
Norma 204
<<locked>>
81%
42772
66%
**02
95%
[Norma 217]*
<<locked>>
94%
30008
46%
**85
90%
[Norma MRP]*
<<locked>>
81%
34258
53%
**84
94%
Norma URP
<<locked>>
81%
43874
68%
**28
99%
Ramshot Hunter
<<locked>>
81%
42438
65%
**18
98%
[Ramshot Magnum]*
<<locked>>
81%
30501
47%
**36
91%
ReloadSwiss RS 14
<<locked>>
81%
28572
44%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
47456
73%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
44309
68%
**67
99%
ReloadSwiss RS 70
<<locked>>
81%
42728
66%
**71
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30008
46%
**75
90%
Rottweil R 903
<<locked>>
81%
51677
80%
**30
100%
[Rottweil R 904]*
<<locked>>
81%
38624
59%
**77
93%
[Rottweil R 905]*
<<locked>>
81%
36347
56%
**74
93%
Rottweil R 907
<<locked>>
81%
47558
73%
**54
98%
SNPE Vectan SP 11
<<locked>>
81%
52924
81%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52025
80%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45716
70%
**72
98%
Shooters World Long Rifle
<<locked>>
81%
46644
72%
**28
99%
Somchem S355
<<locked>>
81%
51677
80%
**20
100%
[Somchem S361]*
<<locked>>
81%
39407
61%
**74
92%
Somchem S365
<<locked>>
81%
40321
62%
**82
100%
Somchem S385
<<locked>>
81%
36985
57%
**61
95%
Vihtavuori N135
<<locked>>
81%
50212
77%
**15
100%
Vihtavuori N150
<<locked>>
81%
44251
68%
**56
100%
Vihtavuori N160
<<locked>>
81%
47021
72%
**64
100%
[Vihtavuori N165]*
<<locked>>
81%
31024
48%
**00
91%
Vihtavuori N550
<<locked>>
81%
47529
73%
**10
100%
Vihtavuori N555
<<locked>>
81%
35404
54%
**74
98%
[Vihtavuori N560]*
<<locked>>
83%
35824
55%
**03
90%
[Vihtavuori N565]*
<<locked>>
87%
34490
53%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44251
68%
**89
100%
Winchester 760
<<locked>>
81%
50140
77%
**69
99%
Winchester StaBALL HD
<<locked>>
81%
26281
40%
**72
98%

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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