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Load data for .300 PRC + .308 | 165gr | Speer TBBC

Recommended Powder(s):

.300 PRC + .308 | 165gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer TBBC
Manufacturer SKU:
1760
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B6160_C370
Last updated:
2026-03-22

Load data for 156 loads in caliber .300 PRC with .308 | 165gr | Speer TBBC bullet and 78 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>>
83%
58001
89%
**25
100%
ADI AR 2209
<<locked>>
93%
57885
89%
**23
99%
ADI AR 2213
<<locked>>
97%
57972
89%
**59
98%
[ADI AR 2217]*
<<locked>>
97%
42859
66%
**51
94%
ADI AR 2225
<<locked>>
97%
38377
59%
**05
96%
Accurate 2700
<<locked>>
84%
58131
89%
**92
99%
Accurate 3100
<<locked>>
96%
57566
89%
**58
100%
Accurate 4350
<<locked>>
88%
57725
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
57856
89%
**56
96%
Alliant Reloder-16
<<locked>>
89%
57856
89%
**27
100%
Alliant Reloder-17
<<locked>>
85%
58131
89%
**30
100%
Alliant Reloder-19
<<locked>>
94%
57827
89%
**07
99%
Alliant Reloder-22
<<locked>>
97%
57885
89%
**50
99%
Alliant Reloder-23
<<locked>>
97%
55550
85%
**77
100%
Alliant Reloder-25
<<locked>>
97%
47863
74%
**99
100%
Alliant Reloder-26 👍
<<locked>>
94%
57986
89%
**96
100%
Baschieri & Pellagri 109
<<locked>>
97%
56811
87%
**54
95%
Bofors RP15
<<locked>>
97%
53708
83%
**74
98%
Bofors RP30
<<locked>>
97%
44077
68%
**23
96%
Bofors RP5
<<locked>>
97%
57885
89%
**50
99%
Bofors RP7
<<locked>>
86%
57725
89%
**35
99%
[Hodgdon H1000]*
<<locked>>
97%
42859
66%
**51
94%
Hodgdon H414
<<locked>>
84%
58320
90%
**07
100%
Hodgdon H4350
<<locked>>
91%
58334
90%
**64
100%
Hodgdon H4831
<<locked>>
97%
54114
83%
**28
97%
Hodgdon H4831 SC
<<locked>>
95%
58001
89%
**87
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57972
89%
**45
100%
Hodgdon LVR
<<locked>>
87%
58146
89%
**91
100%
Hodgdon Retumbo
<<locked>>
97%
38377
59%
**05
96%
Hodgdon Superperformance
<<locked>>
87%
58392
90%
**40
100%
Hodgdon VARGET
<<locked>>
84%
58175
90%
**31
100%
Hodgdon TrailBoss
<<locked>>
97%
35288
54%
**00
100%
IMR 4064
<<locked>>
84%
58363
90%
**18
100%
IMR 4166 Enduron
<<locked>>
85%
57986
89%
**25
100%
IMR 4350 👍
<<locked>>
90%
58392
90%
**68
100%
IMR 4451 Enduron
<<locked>>
86%
58073
89%
**48
100%
IMR 4831
<<locked>>
93%
57957
89%
**68
100%
IMR 4955 Enduron
<<locked>>
96%
57841
89%
**61
98%
IMR 7828 SSC
<<locked>>
95%
58001
89%
**69
98%
Lovex S065
<<locked>>
87%
58421
90%
**38
100%
Lovex S070
<<locked>>
88%
58146
89%
**51
100%
Lovex S071
<<locked>>
97%
49008
75%
**10
99%
Norma 204
<<locked>>
89%
58436
90%
**97
99%
[Norma 217]*
<<locked>>
97%
34171
53%
**17
94%
Norma MRP 👍
<<locked>>
95%
58204
90%
**86
100%
Norma URP
<<locked>>
89%
58175
90%
**84
100%
Ramshot Grand
<<locked>>
94%
58233
90%
**86
99%
Ramshot Hunter
<<locked>>
89%
58363
90%
**10
100%
Ramshot Magnum
<<locked>>
97%
57914
89%
**27
100%
ReloadSwiss RS 14
<<locked>>
96%
35911
55%
**39
100%
ReloadSwiss RS 62
<<locked>>
88%
57711
89%
**04
100%
ReloadSwiss RS 70
<<locked>>
88%
57711
89%
**46
100%
ReloadSwiss RS 76
<<locked>>
97%
47079
72%
**38
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42786
66%
**17
93%
Rottweil R 903
<<locked>>
84%
58291
90%
**31
100%
Rottweil R 904
<<locked>>
93%
58015
89%
**74
98%
Rottweil R 905
<<locked>>
94%
58131
89%
**20
99%
Rottweil R 907
<<locked>>
86%
57725
89%
**35
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
58117
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58175
90%
**92
100%
Shooters World Long Rifle
<<locked>>
87%
58421
90%
**38
100%
Somchem S355
<<locked>>
84%
57957
89%
**25
100%
Somchem S361
<<locked>>
92%
58117
89%
**35
98%
Somchem S365
<<locked>>
90%
57972
89%
**77
100%
Somchem S385 👍
<<locked>>
94%
58262
90%
**84
100%
Vihtavuori N135
<<locked>>
85%
58291
90%
**40
100%
Vihtavuori N150
<<locked>>
89%
58436
90%
**92
100%
Vihtavuori N160
<<locked>>
86%
58291
90%
**54
100%
Vihtavuori N165
<<locked>>
97%
54302
84%
**99
99%
Vihtavuori N550
<<locked>>
86%
58204
90%
**87
100%
Vihtavuori N555
<<locked>>
95%
58175
90%
**07
100%
Vihtavuori N560
<<locked>>
97%
58479
90%
**89
98%
Vihtavuori N565
<<locked>>
97%
50328
77%
**18
96%
[Vihtavuori N568]*
<<locked>>
97%
44164
68%
**27
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57928
89%
**12
100%
Winchester 760
<<locked>>
84%
58320
90%
**07
100%
Winchester StaBALL HD 👍
<<locked>>
97%
52837
81%
**56
100%
Winchester Supreme 780
<<locked>>
93%
58378
90%
**68
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54215
83%
**72
100%
[ADI AR 2209]*
<<locked>>
81%
38421
59%
**36
94%
[ADI AR 2213]*
<<locked>>
81%
34693
53%
**48
90%
[ADI AR 2217]*
<<locked>>
91%
34824
54%
**41
90%
[ADI AR 2225]*
<<locked>>
89%
29298
45%
**23
90%
Accurate 2700
<<locked>>
81%
52518
81%
**97
99%
Accurate 3100
<<locked>>
81%
34200
53%
**92
96%
Accurate 4350
<<locked>>
81%
46035
71%
**77
100%
[Accurate MAGPRO]*
<<locked>>
86%
39334
61%
**89
90%
Alliant Reloder-16
<<locked>>
81%
44121
68%
**84
100%
Alliant Reloder-17
<<locked>>
81%
51082
79%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
38392
59%
**26
94%
[Alliant Reloder-22]*
<<locked>>
81%
34011
52%
**44
92%
Alliant Reloder-23
<<locked>>
81%
32764
50%
**31
99%
[Alliant Reloder-25]*
<<locked>>
81%
28500
44%
**03
93%
Alliant Reloder-26
<<locked>>
81%
35853
55%
**69
98%
[Baschieri & Pellagri 109]*
<<locked>>
88%
42627
66%
**72
90%
[Bofors RP15]*
<<locked>>
81%
31821
49%
**82
91%
[Bofors RP30]*
<<locked>>
88%
32822
51%
**41
90%
[Bofors RP5]*
<<locked>>
81%
34011
52%
**44
92%
Bofors RP7
<<locked>>
81%
48994
75%
**84
98%
[Hodgdon H1000]*
<<locked>>
91%
34824
54%
**41
90%
Hodgdon H414
<<locked>>
81%
52011
80%
**12
99%
Hodgdon H4350
<<locked>>
81%
42221
65%
**69
97%
[Hodgdon H4831]*
<<locked>>
84%
35433
55%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35998
55%
**51
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41684
64%
**66
100%
Hodgdon LVR
<<locked>>
81%
48559
75%
**23
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29298
45%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
47166
73%
**49
98%
Hodgdon VARGET
<<locked>>
81%
53911
83%
**59
100%
Hodgdon TrailBoss
<<locked>>
81%
28152
43%
**39
100%
IMR 4064
<<locked>>
81%
53345
82%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
51938
80%
**13
99%
IMR 4350
<<locked>>
81%
44121
68%
**08
97%
IMR 4451 Enduron
<<locked>>
81%
50285
77%
**17
99%
IMR 4831
<<locked>>
81%
39682
61%
**30
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36230
56%
**18
91%
[IMR 7828 SSC]*
<<locked>>
81%
34998
54%
**77
91%
Lovex S065
<<locked>>
81%
47848
74%
**64
99%
Lovex S070
<<locked>>
81%
46079
71%
**44
98%
[Lovex S071]*
<<locked>>
81%
29269
45%
**57
93%
Norma 204
<<locked>>
81%
44251
68%
**38
96%
[Norma 217]*
<<locked>>
92%
29095
45%
**59
90%
Norma MRP
<<locked>>
81%
35607
55%
**23
95%
Norma URP
<<locked>>
81%
45165
70%
**64
100%
[Ramshot Grand]*
<<locked>>
81%
36143
56%
**20
92%
Ramshot Hunter
<<locked>>
81%
44092
68%
**58
99%
[Ramshot Magnum]*
<<locked>>
81%
31415
48%
**62
92%
ReloadSwiss RS 14
<<locked>>
81%
28761
44%
**81
100%
ReloadSwiss RS 62
<<locked>>
81%
45803
70%
**94
100%
ReloadSwiss RS 70
<<locked>>
81%
44135
68%
**10
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
29385
45%
**56
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
37057
57%
**76
90%
Rottweil R 903
<<locked>>
81%
53185
82%
**53
100%
[Rottweil R 904]*
<<locked>>
81%
39682
61%
**17
93%
[Rottweil R 905]*
<<locked>>
81%
37594
58%
**03
94%
Rottweil R 907
<<locked>>
81%
48994
75%
**84
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
53098
82%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46891
72%
**08
98%
Shooters World Long Rifle
<<locked>>
81%
47848
74%
**64
99%
Somchem S355
<<locked>>
81%
53040
82%
**53
100%
[Somchem S361]*
<<locked>>
81%
40524
62%
**00
93%
Somchem S365
<<locked>>
81%
41843
64%
**22
100%
Somchem S385
<<locked>>
81%
38363
59%
**00
96%
Vihtavuori N135
<<locked>>
81%
51372
79%
**38
100%
Vihtavuori N150
<<locked>>
81%
45368
70%
**82
100%
Vihtavuori N160
<<locked>>
81%
48414
75%
**87
100%
[Vihtavuori N165]*
<<locked>>
81%
32198
50%
**33
92%
Vihtavuori N550
<<locked>>
81%
49211
76%
**43
100%
Vihtavuori N555
<<locked>>
81%
36709
56%
**03
99%
[Vihtavuori N560]*
<<locked>>
82%
35360
54%
**97
90%
[Vihtavuori N565]*
<<locked>>
86%
34258
53%
**54
90%
[Vihtavuori N568]*
<<locked>>
93%
38798
60%
**05
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45687
70%
**22
100%
Winchester 760
<<locked>>
81%
52011
80%
**12
99%
Winchester StaBALL HD
<<locked>>
81%
27963
43%
**18
98%
[Winchester Supreme 780]*
<<locked>>
81%
38014
59%
**90
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.

<<locked>>... you need to buy an access license to unlock the data

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