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Load data for .240 Weath. Mag. + .243 | 100gr | Speer Grand Slam

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.240 Weath. Mag. + .243 | 100gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 100gr | Speer Grand Slam
Manufacturer SKU:
1222
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.040" | 26.4mm
Caliber:
.240 Weath. Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.054" | 77.6mm
Seated Depth:
0.486" | 12.4mm
Shank Seated Depth:
0.486" | 12.4mm
Case Capacity:
64.0 Grains of Water | 4.16 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6079_C175
Last updated:
2025-01-01

Load data for 142 loads in caliber .240 Weath. Mag. with .243 | 100gr | Speer Grand Slam bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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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    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 2208
<<locked>>
84%
57058
89%
**54
100%
ADI AR 2209
<<locked>>
94%
57072
89%
**40
99%
ADI AR 2213
<<locked>>
97%
55579
87%
**46
97%
[ADI AR 2217]*
<<locked>>
97%
40321
63%
**25
93%
[ADI AR 2225]*
<<locked>>
97%
35636
56%
**53
94%
Accurate 2700
<<locked>>
85%
56927
89%
**09
99%
Accurate 3100
<<locked>>
96%
54621
86%
**48
100%
Accurate 4350
<<locked>>
89%
57188
90%
**17
100%
Accurate MAGPRO
<<locked>>
97%
54331
85%
**36
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
57363
90%
**68
100%
Alliant Reloder-16
<<locked>>
91%
57000
89%
**63
100%
Alliant Reloder-17
<<locked>>
85%
56362
88%
**46
100%
Alliant Reloder-19
<<locked>>
95%
56971
89%
**33
99%
Alliant Reloder-22
<<locked>>
97%
55129
86%
**53
98%
Alliant Reloder-23
<<locked>>
97%
52402
82%
**77
100%
Alliant Reloder-25
<<locked>>
97%
45049
71%
**89
99%
Alliant Reloder-26 👍
<<locked>>
95%
56376
88%
**25
100%
[Hodgdon H1000]*
<<locked>>
97%
40321
63%
**25
93%
Hodgdon H414
<<locked>>
85%
57101
89%
**33
100%
Hodgdon H4350
<<locked>>
92%
57000
89%
**81
99%
Hodgdon H4831
<<locked>>
97%
51343
80%
**12
96%
Hodgdon H4831 SC
<<locked>>
96%
57246
90%
**14
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57058
89%
**74
100%
Hodgdon LVR
<<locked>>
87%
56637
89%
**04
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35636
56%
**53
94%
Hodgdon Superperformance
<<locked>>
87%
56449
88%
**50
99%
Hodgdon VARGET
<<locked>>
84%
56623
89%
**48
100%
Hodgdon TrailBoss
<<locked>>
96%
34983
55%
**13
100%
IMR 4064
<<locked>>
85%
56985
89%
**41
100%
IMR 4166 Enduron
<<locked>>
85%
56666
89%
**35
99%
IMR 4350
<<locked>>
90%
56768
89%
**74
99%
IMR 4451 Enduron
<<locked>>
86%
56811
89%
**64
99%
IMR 4831 👍
<<locked>>
94%
57058
89%
**97
100%
IMR 4955 Enduron
<<locked>>
97%
56666
89%
**77
97%
IMR 7828 SSC
<<locked>>
97%
56985
89%
**92
98%
Lovex S065
<<locked>>
88%
56768
89%
**58
100%
Lovex S070
<<locked>>
89%
56782
89%
**81
100%
Lovex S071
<<locked>>
97%
46151
72%
**04
99%
Norma 204
<<locked>>
90%
56855
89%
**20
98%
Norma MRP
<<locked>>
96%
56768
89%
**09
100%
Norma URP
<<locked>>
90%
56884
89%
**10
100%
Ramshot Hunter 👍
<<locked>>
90%
57087
89%
**36
100%
Ramshot Magnum
<<locked>>
97%
53708
84%
**07
99%
ReloadSwiss RS 14
<<locked>>
96%
35679
56%
**55
100%
ReloadSwiss RS 60
<<locked>>
86%
56434
88%
**66
100%
ReloadSwiss RS 62
<<locked>>
89%
56840
89%
**27
100%
ReloadSwiss RS 70
<<locked>>
90%
57072
89%
**92
100%
ReloadSwiss RS 76
<<locked>>
97%
43830
69%
**05
98%
Rottweil R 903
<<locked>>
84%
56768
89%
**48
100%
Rottweil R 904
<<locked>>
94%
57305
90%
**97
98%
Rottweil R 905
<<locked>>
95%
56811
89%
**33
99%
Rottweil R 907
<<locked>>
87%
57377
90%
**71
99%
SNPE Vectan SP 11
<<locked>>
84%
56971
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56318
88%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57276
90%
**22
100%
Shooters World Long Rifle
<<locked>>
88%
56768
89%
**58
100%
Somchem S355
<<locked>>
85%
56565
89%
**41
100%
Somchem S361
<<locked>>
92%
56724
89%
**45
97%
Somchem S365
<<locked>>
92%
56782
89%
**10
100%
Somchem S385
<<locked>>
95%
56797
89%
**91
99%
Vihtavuori N135
<<locked>>
86%
57319
90%
**69
100%
Vihtavuori N150
<<locked>>
89%
56492
89%
**05
100%
Vihtavuori N160
<<locked>>
87%
56869
89%
**74
100%
Vihtavuori N165
<<locked>>
97%
50807
80%
**86
98%
Vihtavuori N550
<<locked>>
87%
57116
89%
**10
100%
Vihtavuori N555 👍
<<locked>>
96%
56376
88%
**30
100%
Vihtavuori N560
<<locked>>
97%
55013
86%
**59
97%
Vihtavuori N565
<<locked>>
97%
47108
74%
**92
95%
Winchester 6.5 StaBALL
<<locked>>
89%
56623
89%
**38
100%
Winchester 760
<<locked>>
85%
57101
89%
**33
100%
Winchester StaBALL HD 👍
<<locked>>
96%
47979
75%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52127
82%
**76
100%
[ADI AR 2209]*
<<locked>>
81%
36608
57%
**23
93%
[ADI AR 2213]*
<<locked>>
84%
35752
56%
**20
90%
[ADI AR 2217]*
<<locked>>
93%
35984
56%
**07
90%
[ADI AR 2225]*
<<locked>>
91%
29733
47%
**75
90%
Accurate 2700
<<locked>>
81%
50053
78%
**90
98%
[Accurate 3100]*
<<locked>>
81%
32111
50%
**82
94%
Accurate 4350
<<locked>>
81%
43439
68%
**67
99%
[Accurate MAGPRO]*
<<locked>>
88%
39856
62%
**38
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53287
84%
**99
100%
Alliant Reloder-16
<<locked>>
81%
41843
66%
**81
99%
Alliant Reloder-17
<<locked>>
81%
48066
75%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
36361
57%
**13
93%
[Alliant Reloder-22]*
<<locked>>
81%
32140
50%
**38
91%
Alliant Reloder-23
<<locked>>
81%
30864
48%
**15
98%
[Alliant Reloder-25]*
<<locked>>
81%
27224
43%
**97
91%
Alliant Reloder-26
<<locked>>
81%
33373
52%
**33
96%
[Hodgdon H1000]*
<<locked>>
93%
35984
56%
**07
90%
Hodgdon H414
<<locked>>
81%
49095
77%
**95
99%
Hodgdon H4350
<<locked>>
81%
40132
63%
**49
96%
[Hodgdon H4831]*
<<locked>>
86%
36303
57%
**87
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
36753
58%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39334
62%
**59
100%
Hodgdon LVR
<<locked>>
81%
45992
72%
**17
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29733
47%
**75
90%
Hodgdon Superperformance
<<locked>>
81%
44643
70%
**36
97%
Hodgdon VARGET
<<locked>>
81%
51721
81%
**59
100%
Hodgdon TrailBoss
<<locked>>
81%
27949
44%
**52
100%
IMR 4064
<<locked>>
81%
50908
80%
**43
100%
IMR 4166 Enduron
<<locked>>
81%
49821
78%
**17
99%
IMR 4350
<<locked>>
81%
42395
66%
**08
97%
IMR 4451 Enduron
<<locked>>
81%
48312
76%
**17
98%
IMR 4831
<<locked>>
81%
37507
59%
**20
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35795
56%
**44
90%
[IMR 7828 SSC]*
<<locked>>
83%
35882
56%
**33
90%
Lovex S065
<<locked>>
81%
45716
72%
**54
99%
Lovex S070
<<locked>>
81%
43918
69%
**38
98%
[Lovex S071]*
<<locked>>
81%
27673
43%
**51
92%
Norma 204
<<locked>>
81%
41785
65%
**22
95%
[Norma MRP]*
<<locked>>
81%
33301
52%
**03
93%
Norma URP
<<locked>>
81%
42815
67%
**61
99%
Ramshot Hunter
<<locked>>
81%
41568
65%
**41
98%
[Ramshot Magnum]*
<<locked>>
81%
30168
47%
**59
90%
ReloadSwiss RS 14
<<locked>>
81%
28572
45%
**95
100%
ReloadSwiss RS 60
<<locked>>
81%
46311
73%
**99
100%
ReloadSwiss RS 62
<<locked>>
81%
43482
68%
**87
99%
ReloadSwiss RS 70
<<locked>>
81%
41945
66%
**00
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30589
48%
**31
90%
Rottweil R 903
<<locked>>
81%
50763
80%
**59
100%
[Rottweil R 904]*
<<locked>>
81%
37753
59%
**97
92%
[Rottweil R 905]*
<<locked>>
81%
35491
56%
**94
93%
Rottweil R 907
<<locked>>
81%
46760
73%
**74
98%
SNPE Vectan SP 11
<<locked>>
81%
51953
81%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51372
80%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44889
70%
**02
98%
Shooters World Long Rifle
<<locked>>
81%
45716
72%
**54
99%
Somchem S355
<<locked>>
81%
50662
79%
**49
100%
[Somchem S361]*
<<locked>>
81%
38754
61%
**90
91%
Somchem S365
<<locked>>
81%
39581
62%
**18
100%
[Somchem S385]*
<<locked>>
81%
36129
57%
**80
94%
Vihtavuori N135
<<locked>>
81%
49269
77%
**48
100%
Vihtavuori N150
<<locked>>
81%
43366
68%
**82
100%
Vihtavuori N160
<<locked>>
81%
46180
72%
**94
100%
[Vihtavuori N165]*
<<locked>>
81%
30298
47%
**13
91%
Vihtavuori N550
<<locked>>
81%
46572
73%
**36
100%
Vihtavuori N555
<<locked>>
81%
34592
54%
**97
98%
[Vihtavuori N560]*
<<locked>>
84%
36114
57%
**56
90%
[Vihtavuori N565]*
<<locked>>
88%
35114
55%
**23
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43656
68%
**25
100%
Winchester 760
<<locked>>
81%
49095
77%
**95
99%
Winchester StaBALL HD
<<locked>>
81%
25280
40%
**85
97%

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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