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Load data for 7 mm STW + .284 | 142gr | Lehigh Defense Controlled Chaos

Recommended Powder(s):

7 mm STW + .284 | 142gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 142gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
284142CuSP
Bullet Weight:
142gr | 9.2g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
97.0 Grains of Water | 6.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B11015_C1066
Last updated:
2026-03-14
Recommended Twist Rate:
1:10 - 1:8

Load data for 144 loads in caliber 7 mm STW with .284 | 142gr | Lehigh Defense Controlled Chaos bullet and 72 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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  • 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 2209 👍
<<locked>>
91%
59437
89%
**87
100%
ADI AR 2213
<<locked>>
94%
59132
89%
**27
99%
ADI AR 2217
<<locked>>
97%
47297
71%
**04
97%
ADI AR 2225
<<locked>>
97%
41959
63%
**51
99%
Accurate 3100
<<locked>>
94%
59437
89%
**18
100%
Accurate 4350
<<locked>>
86%
59509
89%
**48
100%
Accurate MAGPRO
<<locked>>
95%
59944
90%
**40
98%
Alliant Reloder-16
<<locked>>
87%
59335
89%
**84
100%
Alliant Reloder-19
<<locked>>
92%
59654
89%
**81
100%
Alliant Reloder-22 👍
<<locked>>
95%
59886
90%
**23
100%
Alliant Reloder-23
<<locked>>
96%
59306
89%
**61
100%
Alliant Reloder-25
<<locked>>
97%
53577
80%
**48
100%
Alliant Reloder-26
<<locked>>
91%
59785
90%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
44063
66%
**90
92%
Baschieri & Pellagri 109
<<locked>>
96%
59437
89%
**54
97%
Bofors RP15
<<locked>>
97%
59451
89%
**17
100%
Bofors RP30
<<locked>>
97%
49647
74%
**76
98%
Bofors RP5 👍
<<locked>>
95%
59886
90%
**23
100%
Bofors RP7
<<locked>>
85%
60002
90%
**25
100%
Hodgdon H1000
<<locked>>
97%
47297
71%
**04
97%
Hodgdon H4350
<<locked>>
90%
59814
90%
**31
100%
Hodgdon H4831
<<locked>>
97%
59437
89%
**61
99%
Hodgdon H4831 SC
<<locked>>
93%
59437
89%
**61
99%
Hodgdon Hybrid 100V
<<locked>>
89%
59524
89%
**99
100%
Hodgdon LVR
<<locked>>
85%
59596
89%
**54
100%
Hodgdon Retumbo
<<locked>>
97%
41959
63%
**51
99%
Hodgdon Superperformance
<<locked>>
85%
59538
89%
**00
100%
Hodgdon TrailBoss
<<locked>>
97%
35520
53%
**06
100%
IMR 4166 Enduron
<<locked>>
83%
59538
89%
**05
100%
IMR 4350
<<locked>>
88%
59437
89%
**28
100%
IMR 4451 Enduron
<<locked>>
84%
59437
89%
**25
100%
IMR 4831
<<locked>>
91%
59973
90%
**41
100%
IMR 4955 Enduron
<<locked>>
94%
59538
89%
**38
99%
IMR 7828 SSC
<<locked>>
93%
59422
89%
**40
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55477
83%
**13
92%
[IMR 8133 Enduron]*
<<locked>>
97%
37855
57%
**40
94%
Lovex S065
<<locked>>
86%
59393
89%
**02
100%
Lovex S070
<<locked>>
87%
59495
89%
**31
100%
Lovex S071
<<locked>>
97%
53722
81%
**43
100%
Norma 204
<<locked>>
87%
59582
89%
**68
100%
Norma 217
<<locked>>
97%
38247
57%
**72
97%
Norma MRP 👍
<<locked>>
92%
59698
89%
**40
100%
Norma URP
<<locked>>
87%
59190
89%
**51
100%
Ramshot Grand 👍
<<locked>>
91%
59843
90%
**46
100%
Ramshot Hunter
<<locked>>
88%
59973
90%
**81
100%
Ramshot Magnum
<<locked>>
94%
59030
88%
**74
100%
ReloadSwiss RS 14
<<locked>>
97%
36230
54%
**49
100%
ReloadSwiss RS 62
<<locked>>
86%
59408
89%
**64
100%
ReloadSwiss RS 70
<<locked>>
86%
59234
89%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
52997
79%
**04
100%
ReloadSwiss RS 80
<<locked>>
97%
48660
73%
**82
97%
Rottweil R 904
<<locked>>
91%
59988
90%
**54
99%
Rottweil R 905
<<locked>>
92%
59886
90%
**87
100%
Rottweil R 907
<<locked>>
85%
60002
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
59944
90%
**76
100%
Shooters World Long Rifle
<<locked>>
86%
59393
89%
**02
100%
Somchem S361
<<locked>>
90%
59495
89%
**02
99%
Somchem S365
<<locked>>
89%
59872
90%
**41
100%
Somchem S385
<<locked>>
92%
59872
90%
**45
100%
Vihtavuori N135
<<locked>>
84%
59785
90%
**10
100%
Vihtavuori N150
<<locked>>
88%
59843
90%
**49
100%
Vihtavuori N160
<<locked>>
85%
59524
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
59509
89%
**28
100%
Vihtavuori N550
<<locked>>
84%
59538
89%
**58
100%
Vihtavuori N555
<<locked>>
93%
59451
89%
**68
100%
Vihtavuori N560
<<locked>>
94%
59480
89%
**36
99%
Vihtavuori N565
<<locked>>
97%
55767
84%
**58
99%
Vihtavuori N568
<<locked>>
97%
49066
74%
**82
96%
[Vihtavuori N570]*
<<locked>>
97%
46891
70%
**56
93%
Winchester 6.5 StaBALL
<<locked>>
86%
59480
89%
**66
100%
Winchester StaBALL HD
<<locked>>
96%
60002
90%
**66
100%
Winchester Supreme 780
<<locked>>
91%
59727
90%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41423
62%
**59
96%
[ADI AR 2213]*
<<locked>>
81%
36941
55%
**87
93%
[ADI AR 2217]*
<<locked>>
85%
31546
47%
**23
90%
[ADI AR 2225]*
<<locked>>
83%
26629
40%
**08
90%
Accurate 3100
<<locked>>
81%
37086
56%
**25
98%
Accurate 4350
<<locked>>
81%
49995
75%
**94
100%
[Accurate MAGPRO]*
<<locked>>
81%
36187
54%
**71
91%
Alliant Reloder-16
<<locked>>
81%
47935
72%
**10
100%
Alliant Reloder-19
<<locked>>
81%
41684
62%
**59
97%
Alliant Reloder-22
<<locked>>
81%
37086
56%
**87
95%
Alliant Reloder-23
<<locked>>
81%
35911
54%
**57
100%
Alliant Reloder-25
<<locked>>
81%
30835
46%
**52
96%
Alliant Reloder-26
<<locked>>
81%
39798
60%
**95
99%
[Alliant Reloder-33]*
<<locked>>
94%
39566
59%
**82
90%
[Baschieri & Pellagri 109]*
<<locked>>
83%
38914
58%
**51
90%
[Bofors RP15]*
<<locked>>
81%
34432
52%
**18
94%
[Bofors RP30]*
<<locked>>
83%
30255
45%
**26
90%
Bofors RP5
<<locked>>
81%
37086
56%
**87
95%
Bofors RP7
<<locked>>
81%
52228
78%
**07
99%
[Hodgdon H1000]*
<<locked>>
85%
31546
47%
**23
90%
Hodgdon H4350
<<locked>>
81%
45426
68%
**89
98%
[Hodgdon H4831]*
<<locked>>
81%
34795
52%
**79
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
38769
58%
**84
93%
Hodgdon Hybrid 100V
<<locked>>
81%
44976
67%
**82
100%
Hodgdon LVR
<<locked>>
81%
52402
79%
**46
100%
[Hodgdon Retumbo]*
<<locked>>
83%
26629
40%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
52272
78%
**89
100%
Hodgdon TrailBoss
<<locked>>
81%
28094
42%
**45
100%
IMR 4166 Enduron
<<locked>>
81%
55303
83%
**36
100%
IMR 4350
<<locked>>
81%
47369
71%
**35
99%
IMR 4451 Enduron
<<locked>>
81%
53867
81%
**33
100%
IMR 4831
<<locked>>
81%
42757
64%
**56
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38812
58%
**51
94%
[IMR 7828 SSC]*
<<locked>>
81%
37884
57%
**17
94%
[IMR 7977 Enduron]*
<<locked>>
93%
49342
74%
**12
90%
[IMR 8133 Enduron]*
<<locked>>
91%
30908
46%
**56
90%
Lovex S065
<<locked>>
81%
51155
77%
**74
100%
Lovex S070
<<locked>>
81%
49342
74%
**64
99%
Lovex S071
<<locked>>
81%
31647
47%
**87
96%
Norma 204
<<locked>>
81%
47776
72%
**67
98%
[Norma 217]*
<<locked>>
87%
27137
41%
**54
90%
Norma MRP
<<locked>>
81%
39160
59%
**69
97%
Norma URP
<<locked>>
81%
48689
73%
**84
100%
Ramshot Grand
<<locked>>
81%
39755
60%
**79
95%
Ramshot Hunter
<<locked>>
81%
47645
71%
**77
100%
Ramshot Magnum
<<locked>>
81%
34403
52%
**18
95%
ReloadSwiss RS 14
<<locked>>
81%
28805
43%
**85
100%
ReloadSwiss RS 62
<<locked>>
81%
50111
75%
**27
100%
ReloadSwiss RS 70
<<locked>>
81%
48472
73%
**46
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29182
44%
**26
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
33866
51%
**44
90%
Rottweil R 904
<<locked>>
81%
42975
64%
**53
96%
Rottweil R 905
<<locked>>
81%
40712
61%
**40
97%
Rottweil R 907
<<locked>>
81%
52228
78%
**07
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50082
75%
**22
100%
Shooters World Long Rifle
<<locked>>
81%
51155
77%
**74
100%
Somchem S361
<<locked>>
81%
43656
65%
**33
95%
Somchem S365
<<locked>>
81%
45716
69%
**28
100%
Somchem S385
<<locked>>
81%
41350
62%
**26
98%
Vihtavuori N135
<<locked>>
81%
54563
82%
**35
100%
Vihtavuori N150
<<locked>>
81%
48675
73%
**89
100%
Vihtavuori N160
<<locked>>
81%
52446
79%
**07
100%
Vihtavuori N165
<<locked>>
81%
34650
52%
**62
95%
Vihtavuori N550
<<locked>>
81%
53214
80%
**53
100%
Vihtavuori N555
<<locked>>
81%
39885
60%
**40
100%
[Vihtavuori N560]*
<<locked>>
81%
37362
56%
**17
93%
[Vihtavuori N565]*
<<locked>>
81%
31850
48%
**43
90%
[Vihtavuori N568]*
<<locked>>
88%
35404
53%
**77
90%
[Vihtavuori N570]*
<<locked>>
93%
40451
61%
**22
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49777
75%
**38
100%
Winchester StaBALL HD
<<locked>>
81%
32126
48%
**74
100%
Winchester Supreme 780
<<locked>>
81%
41568
62%
**30
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.

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

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