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Load data for .300 RCM + .308 | 190gr | Speer TB

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Recommended Powder(s):

.300 RCM + .308 | 190gr | Speer TB

Load Specifications

Bullet:
.308 | 190gr | Speer TB
Manufacturer SKU:
308H2
Bullet Weight:
190gr | 12.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.380" | 35.1mm
Caliber:
.300 RCM
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.673" | 17.1mm
Shank Seated Depth:
0.503" | 12.8mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6174_C371

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 0 loads in caliber .300 RCM with .308 | 190gr | Speer TB bullet and 0 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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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>>
86%
56710
89%
**77
100%
ADI AR 2208
<<locked>>
91%
57188
90%
**71
100%
ADI AR 2209
<<locked>>
97%
46847
73%
**89
95%
Accurate 2200
<<locked>>
85%
57174
90%
**57
100%
Accurate 2495
<<locked>>
84%
56536
89%
**21
100%
Accurate 2520
<<locked>>
84%
56869
89%
**54
100%
Accurate 2700
<<locked>>
92%
57145
90%
**28
98%
Accurate 3100
<<locked>>
97%
39450
62%
**54
96%
Accurate 4064
<<locked>>
90%
57261
90%
**54
100%
Accurate 4350 👍
<<locked>>
97%
55013
86%
**17
100%
Alliant AR-Comp
<<locked>>
84%
56942
89%
**95
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
57043
89%
**87
100%
Alliant Reloder-15
<<locked>>
89%
57087
89%
**03
100%
Alliant Reloder-16 👍
<<locked>>
97%
52431
82%
**17
100%
Alliant Reloder-17
<<locked>>
95%
57174
90%
**99
100%
Alliant Reloder-19
<<locked>>
97%
45832
72%
**79
95%
[Alliant Reloder-22]*
<<locked>>
97%
39784
62%
**07
93%
Alliant Reloder-23
<<locked>>
97%
37550
59%
**70
99%
[Alliant Reloder-25]*
<<locked>>
97%
33315
52%
**72
94%
Alliant Reloder-26
<<locked>>
97%
41742
65%
**21
98%
Baschieri & Pellagri 107
<<locked>>
86%
56884
89%
**00
100%
Hodgdon BL-C2
<<locked>>
84%
56405
88%
**87
100%
Hodgdon Benchmark
<<locked>>
84%
56971
89%
**02
100%
Hodgdon CFE223
<<locked>>
89%
56869
89%
**40
100%
Hodgdon H380
<<locked>>
90%
56739
89%
**90
100%
Hodgdon H414
<<locked>>
93%
56681
89%
**53
99%
Hodgdon H4350
<<locked>>
97%
50517
79%
**02
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
43352
68%
**97
91%
Hodgdon Hybrid 100V
<<locked>>
97%
49211
77%
**02
100%
Hodgdon LVR 👍
<<locked>>
96%
56826
89%
**36
100%
Hodgdon Superperformance
<<locked>>
96%
57319
90%
**85
99%
Hodgdon VARGET
<<locked>>
91%
56695
89%
**67
100%
IMR 3031
<<locked>>
88%
57043
89%
**54
100%
IMR 4064
<<locked>>
92%
57232
90%
**61
100%
IMR 4166 Enduron
<<locked>>
93%
57145
90%
**51
99%
IMR 4350
<<locked>>
97%
53853
84%
**51
98%
IMR 4451 Enduron
<<locked>>
94%
56985
89%
**77
99%
IMR 4831
<<locked>>
97%
45847
72%
**66
99%
IMR 4895
<<locked>>
88%
56536
89%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43801
69%
**77
92%
IMR 8208 XBR
<<locked>>
85%
57203
90%
**51
100%
Lovex D073.6
<<locked>>
86%
56318
88%
**48
100%
Lovex S060
<<locked>>
87%
57305
90%
**25
100%
Lovex S062
<<locked>>
90%
57203
90%
**57
100%
Lovex S065
<<locked>>
96%
56942
89%
**74
100%
Lovex S070
<<locked>>
97%
55274
87%
**77
99%
[Lovex S071]*
<<locked>>
97%
32605
51%
**10
94%
Norma 201
<<locked>>
87%
57363
90%
**44
100%
Norma 202
<<locked>>
86%
57276
90%
**35
100%
Norma 203B
<<locked>>
90%
57072
89%
**00
100%
Norma 204
<<locked>>
96%
53461
84%
**80
97%
Norma MRP
<<locked>>
97%
41713
65%
**79
96%
Norma URP
<<locked>>
97%
53563
84%
**97
100%
Ramshot Big Game
<<locked>>
89%
56869
89%
**17
100%
Ramshot Hunter
<<locked>>
96%
51880
81%
**90
99%
[Ramshot Magnum]*
<<locked>>
97%
38058
60%
**41
93%
Ramshot TAC
<<locked>>
85%
57058
89%
**71
100%
Ramshot Wild Boar
<<locked>>
85%
57087
89%
**90
100%
ReloadSwiss RS 50
<<locked>>
90%
56695
89%
**77
99%
ReloadSwiss RS 52
<<locked>>
89%
56724
89%
**10
100%
ReloadSwiss RS 60
<<locked>>
96%
56971
89%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53824
84%
**33
100%
ReloadSwiss RS 70
<<locked>>
97%
53142
83%
**53
100%
Rottweil R 901
<<locked>>
84%
56507
89%
**02
100%
Rottweil R 902
<<locked>>
88%
56710
89%
**35
100%
Rottweil R 903
<<locked>>
93%
56942
89%
**87
100%
[Rottweil R 904]*
<<locked>>
97%
48167
75%
**62
94%
Rottweil R 905
<<locked>>
97%
44106
69%
**56
95%
Rottweil R 907
<<locked>>
95%
57145
90%
**71
98%
SNPE Vectan SP 11
<<locked>>
92%
56840
89%
**20
100%
SNPE Vectan SP 7
<<locked>>
85%
56637
89%
**61
100%
SNPE Vectan SP 9
<<locked>>
87%
56753
89%
**77
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57203
90%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56797
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
56869
89%
**28
99%
Shooters World Long Rifle
<<locked>>
96%
56942
89%
**74
100%
Shooters World Match Rifle
<<locked>>
86%
56318
88%
**48
100%
Shooters World Precision
<<locked>>
90%
57203
90%
**57
100%
Somchem S335
<<locked>>
86%
57116
89%
**69
100%
Somchem S341
<<locked>>
85%
57058
89%
**64
100%
Somchem S355
<<locked>>
93%
57043
89%
**87
100%
[Somchem S361]*
<<locked>>
97%
49197
77%
**52
93%
Somchem S365
<<locked>>
97%
48689
76%
**57
100%
Somchem S385
<<locked>>
97%
44802
70%
**43
96%
Vihtavuori N133
<<locked>>
88%
56797
89%
**43
100%
Vihtavuori N135
<<locked>>
94%
56536
89%
**92
100%
Vihtavuori N140
<<locked>>
89%
57188
90%
**15
100%
Vihtavuori N150
<<locked>>
97%
55027
86%
**18
100%
Vihtavuori N160
<<locked>>
96%
56652
89%
**00
100%
[Vihtavuori N165]*
<<locked>>
97%
37376
59%
**82
93%
Vihtavuori N540
<<locked>>
89%
57246
90%
**41
100%
Vihtavuori N550 👍
<<locked>>
95%
56782
89%
**43
100%
Vihtavuori N555
<<locked>>
97%
41205
65%
**43
99%
Winchester 6.5 StaBALL
<<locked>>
97%
56318
88%
**74
100%
Winchester 760
<<locked>>
93%
56681
89%
**53
99%
Winchester StaBALL HD
<<locked>>
96%
33272
52%
**70
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48849
77%
**62
100%
ADI AR 2208
<<locked>>
81%
41553
65%
**25
99%
[ADI AR 2209]*
<<locked>>
87%
34505
54%
**33
90%
Accurate 2200
<<locked>>
81%
50821
80%
**66
100%
Accurate 2495
<<locked>>
81%
50763
80%
**43
100%
Accurate 2520
<<locked>>
81%
51314
80%
**82
100%
[Accurate 2700]*
<<locked>>
81%
39697
62%
**46
94%
[Accurate 3100]*
<<locked>>
85%
25962
41%
**36
90%
Accurate 4064
<<locked>>
81%
42844
67%
**51
100%
Accurate 4350
<<locked>>
81%
31763
50%
**97
96%
Alliant AR-Comp
<<locked>>
81%
51996
81%
**39
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
41350
65%
**48
100%
Alliant Reloder-15
<<locked>>
81%
44295
69%
**03
99%
Alliant Reloder-16
<<locked>>
81%
32097
50%
**13
96%
Alliant Reloder-17
<<locked>>
81%
35824
56%
**34
99%
[Alliant Reloder-19]*
<<locked>>
87%
33547
53%
**16
90%
[Alliant Reloder-22]*
<<locked>>
91%
33518
53%
**59
90%
[Alliant Reloder-23]*
<<locked>>
81%
23235
36%
**73
92%
[Alliant Reloder-25]*
<<locked>>
91%
27978
44%
**21
90%
[Alliant Reloder-26]*
<<locked>>
83%
25585
40%
**92
90%
Baschieri & Pellagri 107
<<locked>>
81%
48095
75%
**72
99%
Hodgdon BL-C2
<<locked>>
81%
51140
80%
**18
100%
Hodgdon Benchmark
<<locked>>
81%
52576
82%
**46
100%
Hodgdon CFE223
<<locked>>
81%
42757
67%
**13
99%
Hodgdon H380
<<locked>>
81%
41771
65%
**57
98%
[Hodgdon H414]*
<<locked>>
81%
36854
58%
**08
94%
[Hodgdon H4350]*
<<locked>>
81%
31053
49%
**11
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
39929
63%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29515
46%
**21
97%
Hodgdon LVR
<<locked>>
81%
35012
55%
**56
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33330
52%
**36
92%
Hodgdon VARGET
<<locked>>
81%
41278
65%
**18
99%
IMR 3031
<<locked>>
81%
45252
71%
**93
100%
IMR 4064
<<locked>>
81%
40741
64%
**02
99%
IMR 4166 Enduron
<<locked>>
81%
40451
63%
**72
95%
[IMR 4350]*
<<locked>>
81%
32605
51%
**51
92%
IMR 4451 Enduron
<<locked>>
81%
38363
60%
**56
95%
[IMR 4831]*
<<locked>>
81%
28050
44%
**85
94%
IMR 4895
<<locked>>
81%
45469
71%
**39
100%
[IMR 4955 Enduron]*
<<locked>>
93%
38464
60%
**72
90%
IMR 8208 XBR
<<locked>>
81%
50995
80%
**66
100%
Lovex D073.6
<<locked>>
81%
48225
76%
**36
100%
Lovex S060
<<locked>>
81%
48704
76%
**03
100%
Lovex S062
<<locked>>
81%
43801
69%
**57
100%
Lovex S065
<<locked>>
81%
35752
56%
**06
95%
[Lovex S070]*
<<locked>>
81%
34113
53%
**90
93%
[Lovex S071]*
<<locked>>
90%
26208
41%
**46
90%
Norma 201
<<locked>>
81%
47747
75%
**10
100%
Norma 202
<<locked>>
81%
48167
75%
**13
100%
Norma 203B
<<locked>>
81%
43816
69%
**93
100%
[Norma 204]*
<<locked>>
83%
33707
53%
**06
90%
[Norma MRP]*
<<locked>>
88%
30850
48%
**16
90%
Norma URP
<<locked>>
81%
32242
51%
**03
96%
Ramshot Big Game
<<locked>>
81%
43410
68%
**13
99%
[Ramshot Hunter]*
<<locked>>
81%
31299
49%
**83
93%
[Ramshot Magnum]*
<<locked>>
93%
33011
52%
**26
90%
Ramshot TAC
<<locked>>
81%
50981
80%
**85
99%
Ramshot Wild Boar
<<locked>>
81%
50662
79%
**02
100%
ReloadSwiss RS 50
<<locked>>
81%
42250
66%
**41
97%
ReloadSwiss RS 52
<<locked>>
81%
42815
67%
**10
100%
ReloadSwiss RS 60
<<locked>>
81%
34795
55%
**21
99%
ReloadSwiss RS 62
<<locked>>
81%
31415
49%
**06
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31531
49%
**13
94%
Rottweil R 901
<<locked>>
81%
52156
82%
**39
100%
Rottweil R 902
<<locked>>
81%
45542
71%
**67
100%
Rottweil R 903
<<locked>>
81%
38856
61%
**05
99%
[Rottweil R 904]*
<<locked>>
88%
36709
58%
**43
90%
[Rottweil R 905]*
<<locked>>
88%
32866
52%
**13
90%
[Rottweil R 907]*
<<locked>>
81%
36970
58%
**23
93%
SNPE Vectan SP 11
<<locked>>
81%
39697
62%
**48
99%
SNPE Vectan SP 7
<<locked>>
81%
49458
77%
**59
99%
SNPE Vectan SP 9
<<locked>>
81%
47297
74%
**33
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49023
77%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40828
64%
**36
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35215
55%
**60
94%
Shooters World Long Rifle
<<locked>>
81%
35752
56%
**06
95%
Shooters World Match Rifle
<<locked>>
81%
48225
76%
**36
100%
Shooters World Precision
<<locked>>
81%
43801
69%
**57
100%
Somchem S335
<<locked>>
81%
48501
76%
**57
100%
Somchem S341
<<locked>>
81%
49066
77%
**49
100%
Somchem S355
<<locked>>
81%
39349
62%
**98
99%
[Somchem S361]*
<<locked>>
90%
39581
62%
**82
90%
Somchem S365
<<locked>>
81%
28689
45%
**54
98%
[Somchem S385]*
<<locked>>
85%
30124
47%
**28
90%
Vihtavuori N133
<<locked>>
81%
46253
72%
**05
100%
Vihtavuori N135
<<locked>>
81%
38305
60%
**33
100%
Vihtavuori N140
<<locked>>
81%
45121
71%
**48
100%
Vihtavuori N150
<<locked>>
81%
33794
53%
**70
99%
Vihtavuori N160
<<locked>>
81%
34780
54%
**26
96%
[Vihtavuori N165]*
<<locked>>
91%
31546
49%
**51
90%
Vihtavuori N540
<<locked>>
81%
44643
70%
**64
100%
Vihtavuori N550
<<locked>>
81%
35215
55%
**69
97%
[Vihtavuori N555]*
<<locked>>
81%
24801
39%
**49
93%
Winchester 6.5 StaBALL
<<locked>>
81%
33141
52%
**80
98%
[Winchester 760]*
<<locked>>
81%
36854
58%
**08
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22437
35%
**90
90%

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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