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Load data for .300 CR + .308 | 172gr | Speer Impact

Recommended Powder(s): Accurate 2460, Accurate 2520, Hodgdon H322, Somchem S321, Winchester 748

.300 CR + .308 | 172gr | Speer Impact

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 172gr | Speer Impact
Manufacturer SKU:
TB308H1
Bullet Weight:
172gr | 11.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.356" | 34.4mm
Caliber:
.300 CR load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.753" | 69.9mm
Seated Depth:
0.603" | 15.3mm
Shank Seated Depth:
0.375" | 9.5mm
Case Capacity:
53.0 Grains of Water | 3.44 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B12001_C352
Last updated:
2025-11-17
Recommended Twist Rate:
1:11 - 1:9

Load data for 154 loads in caliber .300 CR with .308 | 172gr | Speer Impact bullet and 77 powders such as Accurate 2460, Accurate 2520, Hodgdon H322, 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".

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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 2206H
<<locked>>
97%
50836
82%
**10
98%
ADI AR 2207
<<locked>>
87%
54752
88%
**41
100%
ADI AR 2208
<<locked>>
97%
42844
69%
**56
95%
ADI AR 2219
<<locked>>
90%
55288
89%
**46
100%
Accurate 2015
<<locked>>
96%
55941
90%
**00
100%
Accurate 2200
<<locked>>
97%
55230
89%
**10
96%
Accurate 2230
<<locked>>
93%
55201
89%
**20
99%
Accurate 2460 👍
<<locked>>
93%
55376
89%
**36
100%
Accurate 2495
<<locked>>
96%
48733
78%
**97
100%
Accurate 2520 👍
<<locked>>
97%
52330
84%
**39
100%
Accurate 4064
<<locked>>
96%
40132
64%
**72
99%
Alliant AR-Comp
<<locked>>
97%
50995
82%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
41017
66%
**79
96%
Alliant Reloder-10x
<<locked>>
93%
55390
89%
**03
100%
Alliant Reloder-15
<<locked>>
97%
45005
72%
**41
96%
[Alliant Reloder-17]*
<<locked>>
97%
36666
59%
**29
93%
Alliant Reloder-7
<<locked>>
87%
55869
90%
**54
100%
Baschieri & Pellagri 106
<<locked>>
90%
55347
89%
**48
100%
Baschieri & Pellagri 107
<<locked>>
96%
49647
80%
**00
96%
Hodgdon BL-C2
<<locked>>
97%
52707
85%
**69
99%
Hodgdon Benchmark
<<locked>>
96%
54955
88%
**90
99%
Hodgdon CFE BLK
<<locked>>
87%
55405
89%
**61
99%
[Hodgdon CFE223]*
<<locked>>
97%
44338
71%
**44
94%
Hodgdon H322 👍
<<locked>>
96%
55288
89%
**46
100%
Hodgdon H335
<<locked>>
90%
54882
88%
**49
100%
[Hodgdon H380]*
<<locked>>
96%
41989
67%
**69
93%
Hodgdon H4198
<<locked>>
88%
55419
89%
**44
100%
Hodgdon VARGET
<<locked>>
97%
42438
68%
**49
95%
IMR 3031
<<locked>>
97%
44251
71%
**48
100%
IMR 4064
<<locked>>
97%
41568
67%
**29
95%
IMR 4198
<<locked>>
92%
55056
88%
**51
100%
IMR 4895
<<locked>>
97%
46006
74%
**70
97%
IMR 8208 XBR
<<locked>>
97%
54070
87%
**23
99%
Lovex D073.4
<<locked>>
92%
55303
89%
**23
100%
Lovex D073.5
<<locked>>
94%
55376
89%
**36
100%
Lovex D073.6
<<locked>>
96%
47471
76%
**74
99%
Lovex S060
<<locked>>
96%
51880
83%
**44
98%
Lovex S062
<<locked>>
96%
43366
70%
**82
97%
Norma 200
<<locked>>
89%
56115
90%
**87
100%
Norma 201
<<locked>>
96%
48689
78%
**48
98%
Norma 202
<<locked>>
97%
49661
80%
**80
100%
Norma 203B
<<locked>>
97%
44135
71%
**25
96%
Ramshot Big Game
<<locked>>
97%
44063
71%
**31
96%
Ramshot TAC
<<locked>>
97%
54433
87%
**16
95%
Ramshot Wild Boar
<<locked>>
97%
53040
85%
**43
98%
Ramshot X-Terminator
<<locked>>
94%
54984
88%
**10
98%
ReloadSwiss RS 40
<<locked>>
94%
55274
89%
**33
100%
ReloadSwiss RS 52
<<locked>>
97%
42728
69%
**44
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
36071
58%
**13
93%
Rottweil R 901
<<locked>>
97%
53708
86%
**00
100%
Rottweil R 902
<<locked>>
96%
46166
74%
**05
98%
Rottweil R 903
<<locked>>
97%
37260
60%
**13
95%
SNPE Vectan BA6 1/2
<<locked>>
87%
55405
89%
**11
100%
SNPE Vectan SP 10
<<locked>>
90%
55738
89%
**52
100%
SNPE Vectan SP 11
<<locked>>
97%
40350
65%
**72
95%
SNPE Vectan SP 7
<<locked>>
97%
51793
83%
**87
95%
SNPE Vectan SP 9
<<locked>>
97%
49385
79%
**80
97%
SNPE Vectan Tubal 3000
<<locked>>
96%
51750
83%
**21
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
41843
67%
**93
100%
Shooters World Match Rifle
<<locked>>
96%
47471
76%
**74
99%
Shooters World Precision
<<locked>>
96%
43366
70%
**82
97%
Shooters World Tactical Rifle
<<locked>>
91%
56057
90%
**07
99%
Somchem S321 👍
<<locked>>
95%
55361
89%
**66
99%
Somchem S335
<<locked>>
96%
50517
81%
**25
100%
Somchem S341
<<locked>>
96%
50720
81%
**87
97%
Somchem S355
<<locked>>
96%
38290
61%
**16
95%
Vihtavuori N120
<<locked>>
90%
55390
89%
**95
100%
Vihtavuori N130
<<locked>>
95%
55274
89%
**51
100%
Vihtavuori N133
<<locked>>
96%
47572
76%
**69
100%
Vihtavuori N135
<<locked>>
97%
37289
60%
**83
100%
Vihtavuori N140
<<locked>>
96%
45643
73%
**98
100%
Vihtavuori N150
<<locked>>
97%
33098
53%
**92
95%
Vihtavuori N530
<<locked>>
95%
54520
87%
**36
99%
Vihtavuori N540
<<locked>>
97%
45484
73%
**28
99%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
34563
55%
**88
92%
Winchester 748 👍
<<locked>>
96%
55434
89%
**95
100%
Winchester StaBALL Match
<<locked>>
94%
56101
90%
**92
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
31140
50%
**39
91%
ADI AR 2207
<<locked>>
81%
45643
73%
**23
100%
[ADI AR 2208]*
<<locked>>
86%
31198
50%
**19
90%
ADI AR 2219
<<locked>>
81%
40524
65%
**29
99%
Accurate 2015
<<locked>>
81%
35201
56%
**95
100%
[Accurate 2200]*
<<locked>>
82%
34185
55%
**62
90%
Accurate 2230
<<locked>>
81%
36564
59%
**31
95%
Accurate 2460
<<locked>>
81%
36216
58%
**38
96%
Accurate 2495
<<locked>>
81%
29022
47%
**49
99%
Accurate 2520
<<locked>>
81%
30081
48%
**59
95%
[Accurate 4064]*
<<locked>>
81%
24453
39%
**31
94%
Alliant AR-Comp
<<locked>>
81%
30937
50%
**82
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
26368
42%
**47
90%
Alliant Reloder-10x
<<locked>>
81%
38827
62%
**67
100%
[Alliant Reloder-15]*
<<locked>>
84%
30255
49%
**42
90%
[Alliant Reloder-17]*
<<locked>>
92%
31937
51%
**18
90%
Alliant Reloder-7
<<locked>>
81%
47007
75%
**36
100%
Baschieri & Pellagri 106
<<locked>>
81%
41017
66%
**47
100%
[Baschieri & Pellagri 107]*
<<locked>>
84%
33054
53%
**95
90%
[Hodgdon BL-C2]*
<<locked>>
81%
30298
49%
**65
93%
Hodgdon Benchmark
<<locked>>
81%
35520
57%
**78
96%
Hodgdon CFE BLK
<<locked>>
81%
45818
73%
**23
98%
[Hodgdon CFE223]*
<<locked>>
89%
34069
55%
**41
90%
Hodgdon H322
<<locked>>
81%
34722
56%
**21
98%
Hodgdon H335
<<locked>>
81%
39726
64%
**23
99%
[Hodgdon H380]*
<<locked>>
91%
35056
56%
**38
90%
Hodgdon H4198
<<locked>>
81%
44280
71%
**90
100%
[Hodgdon VARGET]*
<<locked>>
87%
31691
51%
**26
90%
IMR 3031
<<locked>>
81%
27093
43%
**96
97%
[IMR 4064]*
<<locked>>
87%
30850
49%
**13
90%
IMR 4198
<<locked>>
81%
40422
65%
**51
100%
[IMR 4895]*
<<locked>>
82%
28500
46%
**16
90%
[IMR 8208 XBR]*
<<locked>>
81%
33054
53%
**65
94%
Lovex D073.4
<<locked>>
81%
37724
60%
**57
97%
Lovex D073.5
<<locked>>
81%
36216
58%
**38
96%
[Lovex D073.6]*
<<locked>>
81%
28297
45%
**13
94%
[Lovex S060]*
<<locked>>
81%
32518
52%
**06
92%
[Lovex S062]*
<<locked>>
81%
26934
43%
**41
91%
Norma 200
<<locked>>
81%
43656
70%
**26
100%
[Norma 201]*
<<locked>>
81%
30284
49%
**03
93%
Norma 202
<<locked>>
81%
29965
48%
**26
96%
[Norma 203B]*
<<locked>>
84%
28805
46%
**13
90%
[Ramshot Big Game]*
<<locked>>
86%
31546
51%
**78
90%
[Ramshot TAC]*
<<locked>>
85%
37362
60%
**38
90%
[Ramshot Wild Boar]*
<<locked>>
81%
31633
51%
**62
91%
[Ramshot X-Terminator]*
<<locked>>
81%
35868
58%
**98
93%
ReloadSwiss RS 40
<<locked>>
81%
37202
60%
**51
97%
[ReloadSwiss RS 52]*
<<locked>>
81%
25367
41%
**44
90%
[ReloadSwiss RS 60]*
<<locked>>
92%
31140
50%
**95
91%
Rottweil R 901
<<locked>>
81%
33663
54%
**65
97%
[Rottweil R 902]*
<<locked>>
81%
28776
46%
**60
92%
[Rottweil R 903]*
<<locked>>
86%
26629
43%
**77
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
47747
77%
**19
100%
SNPE Vectan SP 10
<<locked>>
81%
41365
66%
**46
99%
[SNPE Vectan SP 11]*
<<locked>>
89%
31096
50%
**69
90%
[SNPE Vectan SP 7]*
<<locked>>
86%
35491
57%
**18
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
29733
48%
**06
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
32605
52%
**03
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
26382
42%
**82
96%
[Shooters World Match Rifle]*
<<locked>>
81%
28297
45%
**13
94%
[Shooters World Precision]*
<<locked>>
81%
26934
43%
**41
91%
Shooters World Tactical Rifle
<<locked>>
81%
39349
63%
**54
96%
Somchem S321
<<locked>>
81%
34577
55%
**28
95%
Somchem S335
<<locked>>
81%
31517
51%
**00
97%
[Somchem S341]*
<<locked>>
81%
30240
48%
**10
90%
[Somchem S355]*
<<locked>>
86%
27572
44%
**80
90%
Vihtavuori N120
<<locked>>
81%
43033
69%
**41
100%
Vihtavuori N130
<<locked>>
81%
36071
58%
**72
100%
Vihtavuori N133
<<locked>>
81%
30124
48%
**67
98%
Vihtavuori N135
<<locked>>
81%
23293
37%
**59
95%
Vihtavuori N140
<<locked>>
81%
28166
45%
**64
96%
[Vihtavuori N150]*
<<locked>>
87%
24584
39%
**78
90%
Vihtavuori N530
<<locked>>
81%
34519
55%
**08
95%
Vihtavuori N540
<<locked>>
81%
27702
44%
**73
95%
[Winchester 6.5 StaBALL]*
<<locked>>
93%
31473
50%
**19
90%
Winchester 748
<<locked>>
81%
33692
54%
**34
95%
[Winchester StaBALL Match]*
<<locked>>
81%
36013
58%
**70
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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