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Load data for .240 Weath. Mag. + .243 | 100gr | Sierra SP SemiSp

Recommended Powder(s):

.240 Weath. Mag. + .243 | 100gr | Sierra SP SemiSp

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 100gr | Sierra SP SemiSp
Manufacturer SKU:
1550
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.980" | 24.9mm
Caliber:
.240 Weath. Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.054" | 77.6mm
Seated Depth:
0.426" | 10.8mm
Shank Seated Depth:
0.426" | 10.8mm
Case Capacity:
64.0 Grains of Water | 4.16 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5780_C175
Last updated:
2025-01-01

Load data for 140 loads in caliber .240 Weath. Mag. with .243 | 100gr | Sierra SP SemiSp bullet and 70 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".

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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>>
83%
56362
88%
**38
100%
ADI AR 2209
<<locked>>
94%
57290
90%
**53
99%
ADI AR 2213
<<locked>>
97%
56260
88%
**69
98%
[ADI AR 2217]*
<<locked>>
97%
41220
65%
**44
93%
ADI AR 2225
<<locked>>
97%
36550
57%
**92
95%
Accurate 2700
<<locked>>
84%
56739
89%
**09
99%
Accurate 3100
<<locked>>
96%
55405
87%
**58
100%
Accurate 4350
<<locked>>
89%
56985
89%
**14
100%
Accurate MAGPRO
<<locked>>
97%
54969
86%
**56
95%
Alliant Reloder-16
<<locked>>
90%
56347
88%
**43
100%
Alliant Reloder-17
<<locked>>
85%
56724
89%
**53
100%
Alliant Reloder-19
<<locked>>
94%
56710
89%
**30
99%
Alliant Reloder-22
<<locked>>
97%
56043
88%
**63
99%
Alliant Reloder-23
<<locked>>
97%
52649
83%
**74
100%
Alliant Reloder-25
<<locked>>
97%
46093
72%
**18
99%
Alliant Reloder-26 👍
<<locked>>
95%
57174
90%
**28
100%
[Hodgdon H1000]*
<<locked>>
97%
41220
65%
**44
93%
Hodgdon H414
<<locked>>
85%
56797
89%
**30
100%
Hodgdon H4350
<<locked>>
92%
57232
90%
**87
99%
Hodgdon H4831
<<locked>>
97%
51663
81%
**28
96%
Hodgdon H4831 SC
<<locked>>
96%
56898
89%
**20
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57421
90%
**81
100%
Hodgdon LVR
<<locked>>
87%
56405
88%
**04
100%
Hodgdon Retumbo
<<locked>>
97%
36550
57%
**92
95%
Hodgdon Superperformance
<<locked>>
87%
57261
90%
**69
99%
Hodgdon VARGET
<<locked>>
84%
56913
89%
**58
100%
Hodgdon TrailBoss
<<locked>>
96%
34911
55%
**16
100%
IMR 4064
<<locked>>
84%
56739
89%
**45
100%
IMR 4166 Enduron
<<locked>>
85%
56927
89%
**41
99%
IMR 4350
<<locked>>
90%
57029
89%
**77
99%
IMR 4451 Enduron
<<locked>>
86%
57276
90%
**77
100%
IMR 4831 👍
<<locked>>
94%
57363
90%
**00
100%
IMR 4955 Enduron
<<locked>>
97%
57377
90%
**87
97%
IMR 7828 SSC
<<locked>>
96%
57232
90%
**96
98%
Lovex S065
<<locked>>
88%
57232
90%
**68
100%
Lovex S070
<<locked>>
89%
57203
90%
**87
100%
Lovex S071
<<locked>>
97%
46514
73%
**07
99%
Norma 204
<<locked>>
89%
56623
89%
**17
98%
Norma MRP
<<locked>>
95%
56420
88%
**96
100%
Norma URP
<<locked>>
89%
57363
90%
**20
100%
Ramshot Hunter 👍
<<locked>>
90%
56869
89%
**36
100%
Ramshot Magnum
<<locked>>
97%
54447
85%
**23
99%
ReloadSwiss RS 14
<<locked>>
96%
35534
56%
**55
100%
ReloadSwiss RS 60
<<locked>>
86%
56797
89%
**82
100%
ReloadSwiss RS 62
<<locked>>
89%
57261
90%
**33
100%
ReloadSwiss RS 70
<<locked>>
89%
56376
88%
**82
100%
ReloadSwiss RS 76
<<locked>>
97%
44976
70%
**38
98%
Rottweil R 903
<<locked>>
84%
57043
89%
**54
100%
Rottweil R 904
<<locked>>
93%
56492
89%
**87
98%
Rottweil R 905
<<locked>>
95%
57014
89%
**33
99%
Rottweil R 907
<<locked>>
87%
56782
89%
**64
99%
SNPE Vectan SP 11
<<locked>>
83%
56608
89%
**91
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56782
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56434
88%
**12
99%
Shooters World Long Rifle
<<locked>>
88%
57232
90%
**68
100%
Somchem S355
<<locked>>
84%
56826
89%
**48
100%
Somchem S361
<<locked>>
92%
56768
89%
**45
97%
Somchem S365
<<locked>>
91%
56971
89%
**20
100%
Somchem S385
<<locked>>
94%
56507
89%
**97
99%
Vihtavuori N135
<<locked>>
85%
56884
89%
**56
100%
Vihtavuori N150
<<locked>>
89%
56884
89%
**12
100%
Vihtavuori N160
<<locked>>
87%
57203
90%
**81
100%
Vihtavuori N165
<<locked>>
97%
52098
82%
**05
98%
Vihtavuori N550
<<locked>>
87%
56956
89%
**10
100%
Vihtavuori N555 👍
<<locked>>
95%
56797
89%
**33
100%
Vihtavuori N560
<<locked>>
97%
55738
87%
**82
97%
Vihtavuori N565
<<locked>>
97%
48182
76%
**22
96%
Winchester 6.5 StaBALL
<<locked>>
88%
56797
89%
**41
100%
Winchester 760
<<locked>>
85%
56797
89%
**30
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49908
78%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52475
82%
**76
100%
[ADI AR 2209]*
<<locked>>
81%
36854
58%
**33
93%
[ADI AR 2213]*
<<locked>>
83%
35694
56%
**20
90%
[ADI AR 2217]*
<<locked>>
93%
36230
57%
**13
91%
[ADI AR 2225]*
<<locked>>
91%
29965
47%
**82
90%
Accurate 2700
<<locked>>
81%
50894
80%
**10
98%
Accurate 3100
<<locked>>
81%
32851
51%
**98
95%
Accurate 4350
<<locked>>
81%
44353
70%
**94
99%
[Accurate MAGPRO]*
<<locked>>
88%
39697
62%
**41
90%
Alliant Reloder-16
<<locked>>
81%
42192
66%
**94
99%
Alliant Reloder-17
<<locked>>
81%
48486
76%
**18
100%
[Alliant Reloder-19]*
<<locked>>
81%
37057
58%
**36
93%
[Alliant Reloder-22]*
<<locked>>
81%
32692
51%
**48
91%
Alliant Reloder-23
<<locked>>
81%
31241
49%
**18
98%
[Alliant Reloder-25]*
<<locked>>
81%
27412
43%
**07
92%
Alliant Reloder-26
<<locked>>
81%
34011
53%
**53
97%
[Hodgdon H1000]*
<<locked>>
93%
36230
57%
**13
91%
Hodgdon H414
<<locked>>
81%
49879
78%
**12
99%
Hodgdon H4350
<<locked>>
81%
40538
64%
**62
96%
[Hodgdon H4831]*
<<locked>>
86%
36709
58%
**03
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
36709
58%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39697
62%
**69
100%
Hodgdon LVR
<<locked>>
81%
46702
73%
**33
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29965
47%
**82
90%
Hodgdon Superperformance
<<locked>>
81%
45440
71%
**53
98%
Hodgdon VARGET
<<locked>>
81%
52054
82%
**69
100%
Hodgdon TrailBoss
<<locked>>
81%
27934
44%
**55
100%
IMR 4064
<<locked>>
81%
51735
81%
**63
100%
IMR 4166 Enduron
<<locked>>
81%
50154
79%
**30
99%
IMR 4350
<<locked>>
81%
42670
67%
**18
97%
IMR 4451 Enduron
<<locked>>
81%
48704
76%
**17
98%
IMR 4831
<<locked>>
81%
37971
59%
**36
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35099
55%
**28
90%
[IMR 7828 SSC]*
<<locked>>
83%
35505
56%
**20
90%
Lovex S065
<<locked>>
81%
46035
72%
**64
99%
Lovex S070
<<locked>>
81%
44309
69%
**51
98%
[Lovex S071]*
<<locked>>
81%
27978
44%
**57
92%
Norma 204
<<locked>>
81%
42627
67%
**44
95%
[Norma MRP]*
<<locked>>
81%
34040
53%
**17
94%
Norma URP
<<locked>>
81%
43134
68%
**71
99%
Ramshot Hunter
<<locked>>
81%
42308
66%
**61
98%
[Ramshot Magnum]*
<<locked>>
81%
30124
47%
**66
90%
ReloadSwiss RS 14
<<locked>>
81%
28601
45%
**98
100%
ReloadSwiss RS 60
<<locked>>
81%
46847
73%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
44005
69%
**00
99%
ReloadSwiss RS 70
<<locked>>
81%
42264
66%
**10
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30313
48%
**15
90%
Rottweil R 903
<<locked>>
81%
51097
80%
**66
100%
[Rottweil R 904]*
<<locked>>
81%
38232
60%
**13
92%
[Rottweil R 905]*
<<locked>>
81%
35882
56%
**07
93%
Rottweil R 907
<<locked>>
81%
47297
74%
**90
98%
SNPE Vectan SP 11
<<locked>>
81%
52634
82%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51663
81%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45266
71%
**12
98%
Shooters World Long Rifle
<<locked>>
81%
46035
72%
**64
99%
Somchem S355
<<locked>>
81%
51010
80%
**59
100%
[Somchem S361]*
<<locked>>
81%
39001
61%
**00
92%
Somchem S365
<<locked>>
81%
40045
63%
**18
100%
Somchem S385
<<locked>>
81%
36738
58%
**00
95%
Vihtavuori N135
<<locked>>
81%
49748
78%
**61
100%
Vihtavuori N150
<<locked>>
81%
43729
69%
**95
100%
Vihtavuori N160
<<locked>>
81%
46586
73%
**04
100%
[Vihtavuori N165]*
<<locked>>
81%
30632
48%
**26
91%
Vihtavuori N550
<<locked>>
81%
47500
74%
**46
100%
Vihtavuori N555
<<locked>>
81%
35143
55%
**03
98%
[Vihtavuori N560]*
<<locked>>
84%
36071
57%
**56
90%
[Vihtavuori N565]*
<<locked>>
88%
35578
56%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43830
69%
**28
100%
Winchester 760
<<locked>>
81%
49879
78%
**12
99%
Winchester StaBALL HD
<<locked>>
81%
26078
41%
**05
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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