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Load data for .307 Win. + .308 | 180gr | Speer Grand Slam

Recommended Powder(s): Accurate 2520, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match

.307 Win. + .308 | 180gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Speer Grand Slam
Manufacturer SKU:
2063
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.160" | 29.5mm
Caliber:
.307 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.522" | 64.0mm
Seated Depth:
0.652" | 16.6mm
Shank Seated Depth:
0.652" | 16.6mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B6167_C393
Last updated:
2025-01-01

Load data for 154 loads in caliber .307 Win. with .308 | 180gr | Speer Grand Slam bullet and 77 powders such as Accurate 2520, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match. 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>>
96%
50343
84%
**41
98%
ADI AR 2207
<<locked>>
86%
54172
90%
**72
100%
ADI AR 2208
<<locked>>
97%
43366
72%
**13
95%
ADI AR 2219
<<locked>>
89%
53809
89%
**67
100%
Accurate 2015
<<locked>>
94%
53664
89%
**18
100%
Accurate 2200
<<locked>>
95%
52953
88%
**28
96%
Accurate 2230
<<locked>>
92%
53316
89%
**41
99%
Accurate 2460
<<locked>>
92%
53447
89%
**57
100%
Accurate 2495
<<locked>>
97%
50024
83%
**54
100%
Accurate 2520 👍
<<locked>>
96%
51706
86%
**77
100%
Accurate 4064
<<locked>>
97%
41162
68%
**36
99%
Alliant AR-Comp
<<locked>>
97%
51721
86%
**57
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
41191
68%
**29
97%
Alliant Reloder-10x
<<locked>>
91%
53838
89%
**25
100%
Alliant Reloder-15
<<locked>>
96%
44556
74%
**79
96%
[Alliant Reloder-17]*
<<locked>>
96%
36390
60%
**77
93%
Alliant Reloder-7
<<locked>>
85%
53795
89%
**65
100%
Baschieri & Pellagri 106
<<locked>>
89%
53563
89%
**69
100%
Baschieri & Pellagri 107
<<locked>>
97%
50357
84%
**54
96%
Hodgdon BL-C2
<<locked>>
96%
52025
86%
**03
99%
Hodgdon Benchmark
<<locked>>
95%
54143
90%
**25
99%
Hodgdon CFE BLK
<<locked>>
85%
53359
89%
**79
99%
[Hodgdon CFE223]*
<<locked>>
96%
43961
73%
**85
94%
Hodgdon H322
<<locked>>
94%
53026
88%
**57
100%
Hodgdon H335
<<locked>>
89%
52910
88%
**64
100%
[Hodgdon H380]*
<<locked>>
97%
42743
71%
**33
94%
Hodgdon H4198
<<locked>>
87%
53621
89%
**69
100%
Hodgdon VARGET
<<locked>>
97%
42946
71%
**06
95%
IMR 3031
<<locked>>
97%
44280
74%
**92
100%
IMR 4064
<<locked>>
96%
41611
69%
**77
95%
IMR 4198
<<locked>>
91%
53983
90%
**82
100%
IMR 4895
<<locked>>
96%
45556
76%
**08
97%
IMR 8208 XBR
<<locked>>
96%
53345
89%
**54
99%
Lovex D073.4
<<locked>>
91%
53258
88%
**41
99%
Lovex D073.5
<<locked>>
92%
53447
89%
**57
100%
Lovex D073.6
<<locked>>
97%
48370
80%
**34
100%
Lovex S060
<<locked>>
96%
52460
87%
**98
98%
Lovex S062
<<locked>>
96%
43961
73%
**39
98%
Norma 200
<<locked>>
87%
53084
88%
**95
100%
Norma 201
<<locked>>
97%
49893
83%
**15
99%
Norma 202
<<locked>>
97%
49864
83%
**28
100%
Norma 203B
<<locked>>
96%
43511
72%
**62
96%
Ramshot Big Game
<<locked>>
97%
44686
74%
**95
96%
Ramshot TAC
<<locked>>
96%
54172
90%
**57
96%
Ramshot Wild Boar
<<locked>>
97%
53563
89%
**97
98%
Ramshot X-Terminator
<<locked>>
93%
53635
89%
**41
98%
ReloadSwiss RS 40
<<locked>>
92%
53388
89%
**54
100%
ReloadSwiss RS 52
<<locked>>
97%
42627
71%
**88
98%
[ReloadSwiss RS 60]*
<<locked>>
96%
35621
59%
**57
94%
Rottweil R 901
<<locked>>
96%
53461
89%
**38
100%
Rottweil R 902
<<locked>>
97%
47297
79%
**69
98%
Rottweil R 903
<<locked>>
97%
37231
62%
**64
95%
SNPE Vectan BA6 1/2
<<locked>>
85%
53345
89%
**33
100%
SNPE Vectan SP 10
<<locked>>
89%
53476
89%
**67
100%
SNPE Vectan SP 11
<<locked>>
97%
40437
67%
**26
95%
SNPE Vectan SP 7
<<locked>>
97%
52808
88%
**48
96%
SNPE Vectan SP 9
<<locked>>
97%
49298
82%
**28
97%
SNPE Vectan Tubal 3000
<<locked>>
96%
52315
87%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
42337
70%
**47
100%
Shooters World Match Rifle
<<locked>>
97%
48370
80%
**34
100%
Shooters World Precision
<<locked>>
96%
43961
73%
**39
98%
Shooters World Tactical Rifle
<<locked>>
90%
53911
90%
**21
99%
Somchem S321 👍
<<locked>>
94%
53243
88%
**77
99%
Somchem S335
<<locked>>
97%
51459
85%
**82
100%
Somchem S341
<<locked>>
97%
51474
86%
**41
98%
Somchem S355
<<locked>>
97%
39305
65%
**80
96%
Vihtavuori N120
<<locked>>
88%
52910
88%
**13
100%
Vihtavuori N130
<<locked>>
94%
53853
89%
**75
100%
Vihtavuori N133
<<locked>>
97%
48704
81%
**29
100%
Vihtavuori N135
<<locked>>
97%
37695
63%
**38
100%
Vihtavuori N140
<<locked>>
97%
46282
77%
**56
100%
Vihtavuori N150
<<locked>>
97%
33112
55%
**42
95%
Vihtavuori N530 👍
<<locked>>
95%
53925
90%
**74
99%
Vihtavuori N540
<<locked>>
97%
46195
77%
**82
100%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
34867
58%
**49
93%
Winchester 748 👍
<<locked>>
94%
53359
89%
**13
100%
Winchester StaBALL Match 👍
<<locked>>
92%
53621
89%
**03
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
31285
52%
**00
92%
ADI AR 2207
<<locked>>
81%
46412
77%
**80
100%
[ADI AR 2208]*
<<locked>>
85%
30777
51%
**64
90%
ADI AR 2219
<<locked>>
81%
41437
69%
**97
100%
Accurate 2015
<<locked>>
81%
35563
59%
**52
100%
[Accurate 2200]*
<<locked>>
81%
33547
56%
**00
90%
Accurate 2230
<<locked>>
81%
36912
61%
**88
95%
Accurate 2460
<<locked>>
81%
36564
61%
**95
97%
Accurate 2495
<<locked>>
81%
29689
49%
**16
99%
Accurate 2520
<<locked>>
81%
30516
51%
**19
96%
Accurate 4064
<<locked>>
81%
25005
42%
**98
95%
Alliant AR-Comp
<<locked>>
81%
31024
52%
**36
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
26121
43%
**01
90%
Alliant Reloder-10x
<<locked>>
81%
39378
65%
**24
100%
[Alliant Reloder-15]*
<<locked>>
83%
29704
49%
**83
90%
[Alliant Reloder-17]*
<<locked>>
91%
30734
51%
**42
90%
Alliant Reloder-7
<<locked>>
81%
47282
79%
**87
100%
Baschieri & Pellagri 106
<<locked>>
81%
41321
69%
**98
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
32547
54%
**33
90%
[Hodgdon BL-C2]*
<<locked>>
81%
30618
51%
**26
93%
Hodgdon Benchmark
<<locked>>
81%
35926
60%
**33
96%
Hodgdon CFE BLK
<<locked>>
81%
46093
77%
**74
98%
[Hodgdon CFE223]*
<<locked>>
88%
33707
56%
**85
90%
Hodgdon H322
<<locked>>
81%
34838
58%
**75
99%
Hodgdon H335
<<locked>>
81%
40118
67%
**80
99%
[Hodgdon H380]*
<<locked>>
90%
33663
56%
**65
90%
Hodgdon H4198
<<locked>>
81%
44947
75%
**47
100%
[Hodgdon VARGET]*
<<locked>>
85%
30284
50%
**54
90%
IMR 3031
<<locked>>
81%
27615
46%
**67
97%
[IMR 4064]*
<<locked>>
85%
29849
50%
**44
90%
IMR 4198
<<locked>>
81%
40524
67%
**98
100%
[IMR 4895]*
<<locked>>
81%
28036
47%
**57
90%
[IMR 8208 XBR]*
<<locked>>
81%
33199
55%
**23
94%
Lovex D073.4
<<locked>>
81%
38058
63%
**11
97%
Lovex D073.5
<<locked>>
81%
36564
61%
**95
97%
Lovex D073.6
<<locked>>
81%
28514
47%
**77
95%
[Lovex S060]*
<<locked>>
81%
32851
55%
**64
92%
[Lovex S062]*
<<locked>>
81%
27253
45%
**01
92%
Norma 200
<<locked>>
81%
44382
74%
**80
100%
[Norma 201]*
<<locked>>
81%
30966
51%
**73
94%
Norma 202
<<locked>>
81%
30487
51%
**90
96%
[Norma 203B]*
<<locked>>
83%
28384
47%
**54
90%
[Ramshot Big Game]*
<<locked>>
85%
30385
50%
**03
90%
[Ramshot TAC]*
<<locked>>
83%
35897
60%
**62
90%
[Ramshot Wild Boar]*
<<locked>>
81%
31894
53%
**23
92%
[Ramshot X-Terminator]*
<<locked>>
81%
36535
61%
**62
94%
ReloadSwiss RS 40
<<locked>>
81%
37565
62%
**08
98%
[ReloadSwiss RS 52]*
<<locked>>
81%
25991
43%
**21
91%
[ReloadSwiss RS 60]*
<<locked>>
91%
30255
50%
**23
90%
Rottweil R 901
<<locked>>
81%
34185
57%
**29
97%
[Rottweil R 902]*
<<locked>>
81%
29399
49%
**34
93%
[Rottweil R 903]*
<<locked>>
85%
25947
43%
**11
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48153
80%
**77
100%
SNPE Vectan SP 10
<<locked>>
81%
41727
69%
**97
99%
[SNPE Vectan SP 11]*
<<locked>>
87%
30269
50%
**03
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
34040
57%
**42
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
30269
50%
**73
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
32909
55%
**60
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
26513
44%
**39
96%
Shooters World Match Rifle
<<locked>>
81%
28514
47%
**77
95%
[Shooters World Precision]*
<<locked>>
81%
27253
45%
**01
92%
Shooters World Tactical Rifle
<<locked>>
81%
39653
66%
**11
96%
Somchem S321
<<locked>>
81%
34896
58%
**82
96%
Somchem S335
<<locked>>
81%
32169
53%
**70
98%
[Somchem S341]*
<<locked>>
81%
30501
51%
**73
91%
[Somchem S355]*
<<locked>>
84%
26745
44%
**11
90%
Vihtavuori N120
<<locked>>
81%
43178
72%
**92
100%
Vihtavuori N130
<<locked>>
81%
36825
61%
**36
100%
Vihtavuori N133
<<locked>>
81%
30501
51%
**28
99%
Vihtavuori N135
<<locked>>
81%
23351
39%
**23
96%
Vihtavuori N140
<<locked>>
81%
28369
47%
**24
96%
[Vihtavuori N150]*
<<locked>>
85%
23772
39%
**13
90%
Vihtavuori N530
<<locked>>
81%
34693
58%
**65
95%
Vihtavuori N540
<<locked>>
81%
27978
46%
**37
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
30400
51%
**47
90%
Winchester 748
<<locked>>
81%
33997
56%
**92
96%
Winchester StaBALL Match
<<locked>>
81%
35897
60%
**18
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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