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Load data for .300 PRC + .308 | 150gr | Speer RN

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.300 PRC + .308 | 150gr | Speer RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer RN
Manufacturer SKU:
2017
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.895" | 22.7mm
Caliber:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
3.353" | 85.2mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
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_B6151_C370
Last updated:
2025-01-01

Load data for 146 loads in caliber .300 PRC with .308 | 150gr | Speer RN bullet and 73 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555. 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
85%
89%
100%
ADI AR 2209
96%
90%
98%
ADI AR 2213
97%
84%
96%
ADI AR 2225
97%
55%
93%
Accurate 2700
86%
89%
99%
Accurate 3100
97%
84%
99%
Accurate 4350
90%
90%
100%
Accurate MAGPRO
97%
83%
94%
Alliant Reloder- TS 15.5
84%
90%
100%
Alliant Reloder-16
92%
90%
100%
Alliant Reloder-17
87%
89%
100%
Alliant Reloder-19
96%
89%
98%
Alliant Reloder-22
97%
83%
98%
Alliant Reloder-23
97%
80%
100%
Alliant Reloder-25
97%
69%
99%
Alliant Reloder-26
96%
90%
100%
Hodgdon H380
84%
90%
100%
Hodgdon H414
86%
90%
99%
Hodgdon H4350
93%
89%
99%
Hodgdon H4831
97%
78%
95%
Hodgdon H4831 SC
97%
88%
96%
Hodgdon Hybrid 100V
93%
89%
100%
Hodgdon LVR
89%
90%
100%
Hodgdon Retumbo
97%
55%
93%
Hodgdon Superperformance
89%
90%
99%
Hodgdon VARGET
85%
90%
100%
Hodgdon TrailBoss
97%
54%
100%
IMR 4064
86%
90%
100%
IMR 4166 Enduron
86%
89%
99%
IMR 4350
91%
89%
99%
IMR 4451 Enduron
87%
89%
99%
IMR 4831
95%
89%
100%
IMR 4955 Enduron
97%
87%
96%
IMR 7828 SSC
97%
87%
97%
Lovex S062
83%
89%
100%
Lovex S065
89%
89%
100%
Lovex S070
90%
89%
99%
Lovex S071
97%
70%
98%
Norma 204
91%
90%
98%
Norma MRP
97%
90%
99%
Norma URP
91%
89%
100%
Ramshot Hunter
91%
90%
100%
Ramshot Magnum
97%
82%
98%
ReloadSwiss RS 14
96%
55%
100%
ReloadSwiss RS 50
84%
89%
100%
ReloadSwiss RS 60
88%
89%
100%
ReloadSwiss RS 62
90%
90%
100%
ReloadSwiss RS 70
91%
90%
100%
ReloadSwiss RS 76
97%
67%
97%
Rottweil R 903
86%
89%
100%
Rottweil R 904
95%
90%
97%
Rottweil R 905
96%
89%
98%
Rottweil R 907
88%
90%
99%
SNPE Vectan SP 11
85%
90%
100%
SNPE Vectan Tubal 5000
86%
90%
100%
SNPE Vectan Tubal 7000
89%
89%
99%
Shooters World Long Rifle
89%
89%
100%
Shooters World Precision
83%
89%
100%
Somchem S355
86%
90%
100%
Somchem S361
94%
90%
97%
Somchem S365
93%
89%
100%
Somchem S385
96%
90%
99%
Vihtavuori N135
87%
90%
100%
Vihtavuori N150
91%
90%
100%
Vihtavuori N160
88%
89%
100%
Vihtavuori N165
97%
77%
97%
Vihtavuori N550
88%
90%
100%
Vihtavuori N555
97%
89%
100%
Vihtavuori N560
97%
84%
96%
Vihtavuori N565
97%
72%
94%
Winchester 6.5 StaBALL
90%
90%
100%
Winchester 760
86%
90%
99%
Winchester StaBALL HD
97%
72%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51271
79%
**38
100%
[ADI AR 2209]*
<<locked>>
81%
35897
55%
**72
91%
[ADI AR 2213]*
<<locked>>
86%
38116
59%
**48
90%
[ADI AR 2225]*
<<locked>>
93%
31705
49%
**87
90%
Accurate 2700
<<locked>>
81%
49559
76%
**59
97%
[Accurate 3100]*
<<locked>>
81%
31502
48%
**31
93%
Accurate 4350
<<locked>>
81%
42670
66%
**27
99%
[Accurate MAGPRO]*
<<locked>>
90%
41989
65%
**59
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52112
80%
**64
100%
Alliant Reloder-16
<<locked>>
81%
41118
63%
**36
99%
Alliant Reloder-17
<<locked>>
81%
47253
73%
**71
100%
[Alliant Reloder-19]*
<<locked>>
81%
35766
55%
**66
92%
[Alliant Reloder-22]*
<<locked>>
82%
33083
51%
**26
90%
Alliant Reloder-23
<<locked>>
81%
30284
47%
**61
97%
[Alliant Reloder-25]*
<<locked>>
82%
27499
42%
**62
90%
Alliant Reloder-26
<<locked>>
81%
32793
50%
**79
95%
Hodgdon H380
<<locked>>
81%
53243
82%
**00
100%
Hodgdon H414
<<locked>>
81%
48501
75%
**61
98%
Hodgdon H4350
<<locked>>
81%
39610
61%
**18
95%
[Hodgdon H4831]*
<<locked>>
89%
38580
59%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
38580
59%
**15
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38725
60%
**22
99%
Hodgdon LVR
<<locked>>
81%
45382
70%
**79
99%
[Hodgdon Retumbo]*
<<locked>>
93%
31705
49%
**87
90%
Hodgdon Superperformance
<<locked>>
81%
43932
68%
**89
96%
Hodgdon VARGET
<<locked>>
81%
51010
78%
**38
100%
Hodgdon TrailBoss
<<locked>>
81%
27978
43%
**18
100%
IMR 4064
<<locked>>
81%
50430
78%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
49255
76%
**86
98%
IMR 4350
<<locked>>
81%
41394
64%
**61
95%
IMR 4451 Enduron
<<locked>>
81%
47514
73%
**69
98%
IMR 4831
<<locked>>
81%
36927
57%
**79
97%
[IMR 4955 Enduron]*
<<locked>>
84%
37695
58%
**56
90%
[IMR 7828 SSC]*
<<locked>>
85%
37579
58%
**41
90%
Lovex S062
<<locked>>
81%
54244
83%
**77
100%
Lovex S065
<<locked>>
81%
45063
69%
**17
98%
Lovex S070
<<locked>>
81%
43250
67%
**00
97%
[Lovex S071]*
<<locked>>
81%
26948
41%
**84
90%
[Norma 204]*
<<locked>>
81%
41263
64%
**81
94%
[Norma MRP]*
<<locked>>
81%
32822
51%
**53
92%
Norma URP
<<locked>>
81%
42206
65%
**23
99%
Ramshot Hunter
<<locked>>
81%
41017
63%
**04
97%
[Ramshot Magnum]*
<<locked>>
83%
31734
49%
**74
90%
ReloadSwiss RS 14
<<locked>>
81%
28485
44%
**60
100%
ReloadSwiss RS 50
<<locked>>
81%
53156
82%
**87
99%
ReloadSwiss RS 60
<<locked>>
81%
45542
70%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
42627
66%
**43
98%
ReloadSwiss RS 70
<<locked>>
81%
40930
63%
**46
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
32082
49%
**33
90%
Rottweil R 903
<<locked>>
81%
49835
77%
**25
100%
[Rottweil R 904]*
<<locked>>
81%
37144
57%
**59
91%
[Rottweil R 905]*
<<locked>>
81%
34824
54%
**36
91%
Rottweil R 907
<<locked>>
81%
46195
71%
**46
97%
SNPE Vectan SP 11
<<locked>>
81%
51329
79%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50343
77%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44222
68%
**58
97%
Shooters World Long Rifle
<<locked>>
81%
45063
69%
**17
98%
Shooters World Precision
<<locked>>
81%
54244
83%
**77
100%
Somchem S355
<<locked>>
81%
49922
77%
**18
100%
[Somchem S361]*
<<locked>>
81%
37884
58%
**36
90%
Somchem S365
<<locked>>
81%
38522
59%
**71
100%
[Somchem S385]*
<<locked>>
81%
35621
55%
**36
93%
Vihtavuori N135
<<locked>>
81%
48414
75%
**27
100%
Vihtavuori N150
<<locked>>
81%
42641
66%
**44
100%
Vihtavuori N160
<<locked>>
81%
45585
70%
**59
99%
[Vihtavuori N165]*
<<locked>>
82%
31227
48%
**05
90%
Vihtavuori N550
<<locked>>
81%
45992
71%
**02
99%
Vihtavuori N555
<<locked>>
81%
33968
52%
**46
97%
[Vihtavuori N560]*
<<locked>>
86%
38247
59%
**81
90%
[Vihtavuori N565]*
<<locked>>
90%
37304
57%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42931
66%
**81
100%
Winchester 760
<<locked>>
81%
48501
75%
**61
98%
Winchester StaBALL HD
<<locked>>
81%
24569
38%
**21
95%

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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