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Load data for .307 Win. + .308 | 150gr | Speer Grand Slam

Recommended Powder(s): ADI AR 2219, Accurate 2015, Hodgdon H322, Hodgdon H335, SNPE Vectan SP 10

.307 Win. + .308 | 150gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer Grand Slam
Manufacturer SKU:
2026
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.020" | 25.9mm
Caliber:
.307 Win. load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.522" | 64.0mm
Seated Depth:
0.512" | 13.0mm
Shank Seated Depth:
0.512" | 13.0mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B6149_C393
Last updated:
2025-01-01

Load data for 140 loads in caliber .307 Win. with .308 | 150gr | Speer Grand Slam bullet and 70 powders such as ADI AR 2219, Accurate 2015, Hodgdon H322, Hodgdon H335, SNPE Vectan SP 10. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 24.2 fps

  • 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%
46717
78%
**35
95%
ADI AR 2207
<<locked>>
88%
53098
88%
**35
100%
ADI AR 2219 👍
<<locked>>
91%
53026
88%
**23
100%
Accurate 2015 👍
<<locked>>
97%
52736
88%
**71
100%
[Accurate 2200]*
<<locked>>
97%
50937
85%
**41
94%
Accurate 2230
<<locked>>
95%
54114
90%
**00
97%
Accurate 2460
<<locked>>
95%
53708
89%
**10
99%
Accurate 2495
<<locked>>
96%
43569
72%
**28
100%
Accurate 2520
<<locked>>
97%
46688
78%
**64
98%
Accurate 4064
<<locked>>
96%
35882
60%
**84
97%
Alliant AR-Comp
<<locked>>
97%
46746
78%
**67
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
96%
36666
61%
**70
93%
Alliant Reloder-10x
<<locked>>
94%
52924
88%
**87
100%
[Alliant Reloder-15]*
<<locked>>
97%
41060
68%
**52
93%
Alliant Reloder-7
<<locked>>
87%
53214
88%
**25
100%
Baschieri & Pellagri 106
<<locked>>
92%
53374
89%
**21
100%
[Baschieri & Pellagri 107]*
<<locked>>
96%
45658
76%
**15
93%
Hodgdon BL-C2
<<locked>>
97%
47834
79%
**90
97%
Hodgdon Benchmark
<<locked>>
97%
53069
88%
**61
98%
Hodgdon CFE BLK
<<locked>>
88%
53780
89%
**28
98%
Hodgdon H322 👍
<<locked>>
96%
51648
86%
**03
100%
Hodgdon H335 👍
<<locked>>
92%
53301
89%
**36
100%
Hodgdon H4198
<<locked>>
89%
52837
88%
**12
100%
IMR 3031
<<locked>>
96%
39726
66%
**69
99%
[IMR 4064]*
<<locked>>
96%
37594
62%
**28
91%
IMR 4198
<<locked>>
94%
54114
90%
**51
100%
IMR 4227
<<locked>>
83%
53417
89%
**72
100%
[IMR 4895]*
<<locked>>
97%
41930
70%
**82
94%
IMR 8208 XBR
<<locked>>
97%
49850
83%
**57
97%
Lovex D073.4
<<locked>>
94%
53983
90%
**00
99%
Lovex D073.5
<<locked>>
95%
52910
88%
**00
98%
Lovex D073.6
<<locked>>
96%
42844
71%
**98
98%
Lovex S053
<<locked>>
85%
53998
90%
**46
100%
Lovex S060
<<locked>>
97%
48109
80%
**72
95%
Lovex S062
<<locked>>
97%
39929
66%
**07
95%
Norma 200
<<locked>>
90%
53592
89%
**71
100%
Norma 201
<<locked>>
96%
44976
75%
**82
96%
Norma 202
<<locked>>
96%
44541
74%
**98
98%
[Norma 203B]*
<<locked>>
97%
40219
67%
**43
93%
[Ramshot Big Game]*
<<locked>>
97%
40524
67%
**36
92%
[Ramshot TAC]*
<<locked>>
97%
51010
85%
**51
93%
Ramshot Wild Boar
<<locked>>
96%
47993
80%
**57
95%
Ramshot X-Terminator
<<locked>>
96%
53693
89%
**84
96%
ReloadSwiss RS 36
<<locked>>
83%
53505
89%
**12
100%
ReloadSwiss RS 40
<<locked>>
95%
53867
89%
**17
99%
ReloadSwiss RS 52
<<locked>>
96%
38203
63%
**36
95%
Rottweil R 901
<<locked>>
97%
49647
82%
**48
99%
Rottweil R 902
<<locked>>
97%
42757
71%
**30
96%
SNPE Vectan BA6 1/2
<<locked>>
87%
53113
88%
**82
100%
SNPE Vectan SP 10 👍
<<locked>>
91%
53606
89%
**26
99%
[SNPE Vectan SP 7]*
<<locked>>
96%
46789
78%
**02
92%
[SNPE Vectan SP 9]*
<<locked>>
96%
44657
74%
**95
94%
SNPE Vectan Tubal 3000
<<locked>>
97%
49052
81%
**72
99%
SNPE Vectan Tubal 5000
<<locked>>
97%
39218
65%
**28
98%
Shooters World Match Rifle
<<locked>>
96%
42844
71%
**98
98%
Shooters World Precision
<<locked>>
97%
39929
66%
**07
95%
Shooters World Tactical Rifle
<<locked>>
92%
53838
89%
**71
97%
Somchem S321
<<locked>>
96%
53374
89%
**36
98%
Somchem S335
<<locked>>
96%
46441
77%
**59
99%
Somchem S341
<<locked>>
96%
46456
77%
**05
95%
[Somchem S355]*
<<locked>>
96%
35041
58%
**21
92%
Vihtavuori N120
<<locked>>
91%
53316
89%
**89
100%
Vihtavuori N130
<<locked>>
96%
53055
88%
**35
100%
Vihtavuori N133
<<locked>>
96%
43888
73%
**13
100%
Vihtavuori N135
<<locked>>
97%
33576
56%
**98
98%
Vihtavuori N140
<<locked>>
97%
42366
70%
**39
98%
Vihtavuori N530
<<locked>>
97%
53084
88%
**13
98%
Vihtavuori N540
<<locked>>
97%
41495
69%
**52
98%
Winchester 748
<<locked>>
96%
52054
86%
**53
98%
Winchester StaBALL Match
<<locked>>
95%
53867
89%
**56
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
86%
32996
55%
**56
90%
ADI AR 2207
<<locked>>
81%
42496
71%
**80
100%
ADI AR 2219
<<locked>>
81%
37536
62%
**61
98%
Accurate 2015
<<locked>>
81%
32039
53%
**10
98%
[Accurate 2200]*
<<locked>>
88%
39088
65%
**31
90%
[Accurate 2230]*
<<locked>>
81%
32924
55%
**26
91%
[Accurate 2460]*
<<locked>>
81%
32822
55%
**46
93%
Accurate 2495
<<locked>>
81%
26034
43%
**47
96%
[Accurate 2520]*
<<locked>>
81%
27064
45%
**51
92%
[Accurate 4064]*
<<locked>>
81%
21973
37%
**13
90%
Alliant AR-Comp
<<locked>>
81%
28355
47%
**00
99%
[Alliant Reloder- TS 15.5]*
<<locked>>
90%
30371
50%
**20
90%
Alliant Reloder-10x
<<locked>>
81%
35737
59%
**02
99%
[Alliant Reloder-15]*
<<locked>>
92%
35563
59%
**38
90%
Alliant Reloder-7
<<locked>>
81%
43903
73%
**90
100%
Baschieri & Pellagri 106
<<locked>>
81%
38072
63%
**75
98%
[Baschieri & Pellagri 107]*
<<locked>>
91%
38087
63%
**70
90%
[Hodgdon BL-C2]*
<<locked>>
83%
29747
49%
**13
90%
[Hodgdon Benchmark]*
<<locked>>
81%
32663
54%
**83
93%
Hodgdon CFE BLK
<<locked>>
81%
42656
71%
**51
95%
Hodgdon H322
<<locked>>
81%
31618
53%
**26
96%
Hodgdon H335
<<locked>>
81%
36463
61%
**44
97%
Hodgdon H4198
<<locked>>
81%
41626
69%
**28
98%
[IMR 3031]*
<<locked>>
81%
25077
42%
**95
94%
[IMR 4064]*
<<locked>>
94%
35143
58%
**75
90%
IMR 4198
<<locked>>
81%
37492
62%
**92
100%
IMR 4227
<<locked>>
81%
49661
83%
**23
100%
[IMR 4895]*
<<locked>>
89%
33011
55%
**92
90%
[IMR 8208 XBR]*
<<locked>>
81%
30371
50%
**67
91%
[Lovex D073.4]*
<<locked>>
81%
34650
58%
**69
94%
[Lovex D073.5]*
<<locked>>
81%
32590
54%
**36
93%
[Lovex D073.6]*
<<locked>>
81%
25353
42%
**01
91%
Lovex S053
<<locked>>
81%
49037
81%
**84
100%
[Lovex S060]*
<<locked>>
84%
33373
55%
**83
90%
[Lovex S062]*
<<locked>>
86%
29109
48%
**57
90%
Norma 200
<<locked>>
81%
40321
67%
**70
100%
[Norma 201]*
<<locked>>
83%
29225
49%
**41
90%
[Norma 202]*
<<locked>>
81%
27456
46%
**28
93%
[Norma 203B]*
<<locked>>
91%
33112
55%
**85
90%
[Ramshot Big Game]*
<<locked>>
92%
35563
59%
**31
90%
[Ramshot TAC]*
<<locked>>
92%
43526
72%
**26
90%
[Ramshot Wild Boar]*
<<locked>>
86%
34011
56%
**79
90%
[Ramshot X-Terminator]*
<<locked>>
82%
33837
56%
**23
90%
ReloadSwiss RS 36
<<locked>>
81%
49821
83%
**59
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
34200
57%
**65
94%
[ReloadSwiss RS 52]*
<<locked>>
88%
29631
49%
**23
90%
[Rottweil R 901]*
<<locked>>
81%
30995
51%
**77
94%
[Rottweil R 902]*
<<locked>>
84%
29095
48%
**34
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
44788
74%
**77
100%
SNPE Vectan SP 10
<<locked>>
81%
37637
63%
**61
97%
[SNPE Vectan SP 7]*
<<locked>>
93%
41495
69%
**07
90%
[SNPE Vectan SP 9]*
<<locked>>
88%
33837
56%
**69
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
30023
50%
**08
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
24250
40%
**70
92%
[Shooters World Match Rifle]*
<<locked>>
81%
25353
42%
**01
91%
[Shooters World Precision]*
<<locked>>
86%
29109
48%
**57
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
36492
61%
**69
93%
[Somchem S321]*
<<locked>>
81%
31763
53%
**33
92%
Somchem S335
<<locked>>
81%
29109
48%
**11
95%
[Somchem S341]*
<<locked>>
87%
34316
57%
**65
90%
[Somchem S355]*
<<locked>>
93%
31691
53%
**46
90%
Vihtavuori N120
<<locked>>
81%
39624
66%
**92
100%
Vihtavuori N130
<<locked>>
81%
33576
56%
**03
99%
Vihtavuori N133
<<locked>>
81%
27659
46%
**75
96%
[Vihtavuori N135]*
<<locked>>
81%
21263
35%
**44
92%
[Vihtavuori N140]*
<<locked>>
81%
25788
43%
**56
92%
[Vihtavuori N530]*
<<locked>>
81%
31604
52%
**16
92%
[Vihtavuori N540]*
<<locked>>
81%
25498
42%
**69
91%
[Winchester 748]*
<<locked>>
81%
30806
51%
**29
92%
[Winchester StaBALL Match]*
<<locked>>
81%
32793
54%
**62
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.

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

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