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Load data for 7 mm STW + .284 | 140gr | Impala RNFP KO

Recommended Powder(s):

7 mm STW + .284 | 140gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Impala RNFP KO
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.255" | 31.9mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.510" | 12.9mm
Shank Seated Depth:
0.510" | 12.9mm
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_B2982_C1066
Last updated:
2026-01-20

Load data for 130 loads in caliber 7 mm STW with .284 | 140gr | Impala RNFP KO bullet and 65 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>>
89%
59495
89%
**04
100%
ADI AR 2213 👍
<<locked>>
93%
60046
90%
**43
99%
ADI AR 2217
<<locked>>
97%
51372
77%
**82
98%
ADI AR 2225
<<locked>>
97%
46369
70%
**53
100%
Accurate 3100
<<locked>>
92%
59553
89%
**31
100%
Accurate 4350
<<locked>>
84%
59524
89%
**54
100%
Accurate MAGPRO
<<locked>>
92%
59828
90%
**43
98%
Alliant Reloder-16
<<locked>>
86%
60002
90%
**04
100%
Alliant Reloder-19
<<locked>>
90%
59524
89%
**87
100%
Alliant Reloder-22 👍
<<locked>>
92%
59582
89%
**27
100%
Alliant Reloder-23
<<locked>>
93%
59437
89%
**64
100%
Alliant Reloder-25
<<locked>>
97%
58334
87%
**23
100%
Alliant Reloder-26
<<locked>>
89%
59901
90%
**50
100%
[Alliant Reloder-33]*
<<locked>>
97%
48776
73%
**95
94%
Baschieri & Pellagri 109
<<locked>>
94%
59944
90%
**74
97%
Bofors RP15
<<locked>>
95%
59393
89%
**20
100%
Bofors RP30
<<locked>>
97%
54549
82%
**68
99%
Bofors RP5
<<locked>>
92%
59582
89%
**27
100%
Bofors RP7
<<locked>>
83%
59886
90%
**28
100%
Hodgdon H1000
<<locked>>
97%
51372
77%
**82
98%
Hodgdon H4350
<<locked>>
88%
59437
89%
**35
100%
Hodgdon H4831
<<locked>>
95%
59669
89%
**71
99%
Hodgdon H4831 SC
<<locked>>
91%
59466
89%
**71
99%
Hodgdon Hybrid 100V
<<locked>>
87%
59509
89%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
46369
70%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
35984
54%
**26
100%
IMR 4350
<<locked>>
86%
59422
89%
**31
100%
IMR 4831
<<locked>>
89%
59741
90%
**38
100%
IMR 4955 Enduron
<<locked>>
93%
59756
90%
**51
99%
IMR 7828 SSC 👍
<<locked>>
91%
59567
89%
**40
99%
[IMR 7977 Enduron]*
<<locked>>
97%
59176
89%
**79
93%
IMR 8133 Enduron
<<locked>>
97%
42641
64%
**58
96%
Lovex S065
<<locked>>
84%
59596
89%
**12
100%
Lovex S070
<<locked>>
85%
59712
90%
**41
100%
Lovex S071
<<locked>>
97%
58610
88%
**18
100%
Norma 204
<<locked>>
85%
59611
89%
**81
100%
Norma 217
<<locked>>
97%
43236
65%
**94
98%
Norma MRP 👍
<<locked>>
90%
59582
89%
**43
100%
Norma URP
<<locked>>
85%
59480
89%
**61
100%
Ramshot Grand
<<locked>>
89%
59886
90%
**56
99%
Ramshot Hunter
<<locked>>
85%
59524
89%
**74
100%
Ramshot Magnum
<<locked>>
92%
59306
89%
**94
100%
ReloadSwiss RS 14
<<locked>>
97%
36796
55%
**69
100%
ReloadSwiss RS 62
<<locked>>
84%
59872
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
85%
59596
89%
**27
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
58073
87%
**92
100%
ReloadSwiss RS 80
<<locked>>
97%
53780
81%
**77
98%
Rottweil R 904
<<locked>>
89%
59683
89%
**58
99%
Rottweil R 905
<<locked>>
90%
59422
89%
**87
100%
Rottweil R 907
<<locked>>
83%
59886
90%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
59988
90%
**79
100%
Shooters World Long Rifle
<<locked>>
84%
59596
89%
**12
100%
Somchem S361
<<locked>>
88%
59495
89%
**15
99%
Somchem S365
<<locked>>
86%
59901
90%
**48
100%
Somchem S385
<<locked>>
90%
59843
90%
**51
100%
Vihtavuori N150
<<locked>>
85%
59741
90%
**63
100%
Vihtavuori N165
<<locked>>
95%
59393
89%
**28
100%
[Vihtavuori N170]*
<<locked>>
97%
48515
73%
**54
92%
Vihtavuori N555
<<locked>>
90%
59959
90%
**81
100%
Vihtavuori N560
<<locked>>
92%
60031
90%
**53
99%
Vihtavuori N565
<<locked>>
96%
59640
89%
**17
99%
Vihtavuori N568
<<locked>>
97%
54215
81%
**71
97%
Vihtavuori N570
<<locked>>
97%
51488
77%
**64
95%
Winchester 6.5 StaBALL
<<locked>>
84%
59509
89%
**79
100%
Winchester StaBALL HD
<<locked>>
94%
59712
89%
**73
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45136
68%
**51
98%
ADI AR 2213
<<locked>>
81%
40596
61%
**72
95%
[ADI AR 2217]*
<<locked>>
82%
31647
47%
**23
90%
[ADI AR 2225]*
<<locked>>
81%
28123
42%
**54
92%
Accurate 3100
<<locked>>
81%
41626
62%
**20
99%
Accurate 4350
<<locked>>
81%
54607
82%
**76
100%
[Accurate MAGPRO]*
<<locked>>
81%
40437
61%
**72
92%
Alliant Reloder-16
<<locked>>
81%
51605
77%
**76
100%
Alliant Reloder-19
<<locked>>
81%
45150
68%
**35
98%
Alliant Reloder-22
<<locked>>
81%
41220
62%
**92
97%
Alliant Reloder-23
<<locked>>
81%
39914
60%
**49
100%
Alliant Reloder-25
<<locked>>
81%
34635
52%
**67
98%
Alliant Reloder-26
<<locked>>
81%
44469
67%
**04
100%
[Alliant Reloder-33]*
<<locked>>
91%
40089
60%
**02
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
39929
60%
**84
91%
Bofors RP15
<<locked>>
81%
38290
57%
**17
95%
[Bofors RP30]*
<<locked>>
81%
32082
48%
**79
91%
Bofors RP5
<<locked>>
81%
41220
62%
**92
97%
Bofors RP7
<<locked>>
81%
55854
84%
**69
100%
[Hodgdon H1000]*
<<locked>>
82%
31647
47%
**23
90%
Hodgdon H4350
<<locked>>
81%
48762
73%
**54
99%
[Hodgdon H4831]*
<<locked>>
81%
38145
57%
**61
93%
Hodgdon H4831 SC
<<locked>>
81%
42409
64%
**69
95%
Hodgdon Hybrid 100V
<<locked>>
81%
48950
73%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28123
42%
**54
92%
Hodgdon TrailBoss
<<locked>>
81%
28703
43%
**68
100%
IMR 4350
<<locked>>
81%
50908
76%
**97
99%
IMR 4831
<<locked>>
81%
46934
70%
**35
100%
IMR 4955 Enduron
<<locked>>
81%
41989
63%
**30
95%
IMR 7828 SSC
<<locked>>
81%
41756
63%
**15
95%
[IMR 7977 Enduron]*
<<locked>>
92%
49951
75%
**28
90%
[IMR 8133 Enduron]*
<<locked>>
87%
30908
46%
**56
90%
Lovex S065
<<locked>>
81%
54882
82%
**49
100%
Lovex S070
<<locked>>
81%
53055
80%
**30
100%
Lovex S071
<<locked>>
81%
36216
54%
**08
98%
Norma 204
<<locked>>
81%
51459
77%
**43
99%
[Norma 217]*
<<locked>>
82%
26934
40%
**41
90%
Norma MRP
<<locked>>
81%
43395
65%
**58
98%
Norma URP
<<locked>>
81%
52591
79%
**53
100%
Ramshot Grand
<<locked>>
81%
43859
66%
**64
96%
Ramshot Hunter
<<locked>>
81%
51634
77%
**59
100%
Ramshot Magnum
<<locked>>
81%
38609
58%
**23
97%
ReloadSwiss RS 14
<<locked>>
81%
29472
44%
**11
100%
ReloadSwiss RS 62
<<locked>>
81%
54172
81%
**92
100%
ReloadSwiss RS 70
<<locked>>
81%
52388
79%
**09
100%
ReloadSwiss RS 76
<<locked>>
81%
33272
50%
**61
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
33939
51%
**48
90%
Rottweil R 904
<<locked>>
81%
46238
69%
**22
97%
Rottweil R 905
<<locked>>
81%
44744
67%
**31
98%
Rottweil R 907
<<locked>>
81%
55854
84%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
53766
81%
**94
100%
Shooters World Long Rifle
<<locked>>
81%
54882
82%
**49
100%
Somchem S361
<<locked>>
81%
47355
71%
**05
96%
Somchem S365
<<locked>>
81%
50357
75%
**10
100%
Somchem S385
<<locked>>
81%
45498
68%
**18
99%
Vihtavuori N150
<<locked>>
81%
52533
79%
**54
100%
Vihtavuori N165
<<locked>>
81%
38363
57%
**51
96%
[Vihtavuori N170]*
<<locked>>
94%
43584
65%
**66
90%
Vihtavuori N555
<<locked>>
81%
44570
67%
**35
100%
[Vihtavuori N560]*
<<locked>>
81%
40959
61%
**99
94%
[Vihtavuori N565]*
<<locked>>
81%
36158
54%
**64
93%
[Vihtavuori N568]*
<<locked>>
85%
35534
53%
**74
90%
[Vihtavuori N570]*
<<locked>>
90%
41234
62%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
53563
80%
**97
100%
Winchester StaBALL HD
<<locked>>
81%
36637
55%
**82
100%

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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