top of page

Load data for 7 mm Weath. Mag. + .284 | 150gr | Sierra HPBT MatchKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

7 mm Weath. Mag. + .284 | 150gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Sierra HPBT MatchKing
Manufacturer SKU:
1915
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.250" | 31.7mm
Caliber:
7 mm Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.310" | 84.1mm
Seated Depth:
0.489" | 12.4mm
Shank Seated Depth:
0.349" | 8.9mm
Case Capacity:
87.0 Grains of Water | 5.65 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5842_C1070
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 128 loads in caliber 7 mm Weath. Mag. with .284 | 150gr | Sierra HPBT MatchKing bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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".

  • No data yet

  • .

    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 2209 👍
<<locked>>
92%
56782
89%
**15
99%
ADI AR 2213
<<locked>>
95%
57290
90%
**68
99%
ADI AR 2217
<<locked>>
97%
43758
69%
**99
96%
ADI AR 2225
<<locked>>
97%
39218
61%
**62
98%
Accurate 3100
<<locked>>
95%
56913
89%
**66
100%
Accurate 4350
<<locked>>
86%
56695
89%
**72
100%
Accurate MAGPRO
<<locked>>
96%
56782
89%
**64
97%
Alliant Reloder-16
<<locked>>
88%
57392
90%
**35
100%
Alliant Reloder-17
<<locked>>
83%
56753
89%
**18
100%
Alliant Reloder-19 👍
<<locked>>
92%
56695
89%
**12
99%
Alliant Reloder-22
<<locked>>
95%
57116
90%
**54
99%
Alliant Reloder-23
<<locked>>
97%
57392
90%
**18
100%
Alliant Reloder-25
<<locked>>
97%
48994
77%
**56
100%
Alliant Reloder-26
<<locked>>
93%
57290
90%
**97
100%
Hodgdon H1000
<<locked>>
97%
43758
69%
**99
96%
Hodgdon H4350
<<locked>>
90%
57116
89%
**66
100%
Hodgdon H4831
<<locked>>
97%
55477
87%
**69
98%
Hodgdon H4831 SC
<<locked>>
94%
56681
89%
**89
98%
Hodgdon Hybrid 100V
<<locked>>
90%
57116
89%
**40
100%
Hodgdon LVR
<<locked>>
86%
57435
90%
**89
100%
Hodgdon Retumbo
<<locked>>
97%
39218
61%
**62
98%
Hodgdon Superperformance
<<locked>>
86%
57305
90%
**48
100%
Hodgdon TrailBoss
<<locked>>
96%
35114
55%
**27
100%
IMR 4166 Enduron
<<locked>>
84%
57305
90%
**33
100%
IMR 4350
<<locked>>
88%
56695
89%
**49
100%
IMR 4451 Enduron
<<locked>>
84%
56898
89%
**40
100%
IMR 4831
<<locked>>
92%
56855
89%
**59
100%
IMR 4955 Enduron
<<locked>>
95%
56971
89%
**66
98%
IMR 7828 SSC
<<locked>>
94%
56927
89%
**64
99%
[IMR 8133 Enduron]*
<<locked>>
97%
35215
55%
**51
92%
Lovex S065
<<locked>>
86%
57290
90%
**36
100%
Lovex S070
<<locked>>
87%
57392
90%
**63
100%
Lovex S071
<<locked>>
97%
50488
79%
**58
100%
Norma 204
<<locked>>
88%
57334
90%
**02
99%
Norma 217
<<locked>>
97%
34911
55%
**77
95%
Norma MRP 👍
<<locked>>
94%
57130
90%
**87
100%
Norma URP
<<locked>>
87%
56724
89%
**82
100%
Ramshot Hunter
<<locked>>
88%
56724
89%
**05
100%
Ramshot Magnum
<<locked>>
96%
57130
90%
**45
100%
ReloadSwiss RS 14
<<locked>>
96%
35868
56%
**73
100%
ReloadSwiss RS 60
<<locked>>
85%
57174
90%
**45
100%
ReloadSwiss RS 62
<<locked>>
87%
56971
89%
**99
100%
ReloadSwiss RS 70
<<locked>>
88%
57406
90%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
48544
76%
**09
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
43714
68%
**67
94%
Rottweil R 904
<<locked>>
92%
57334
90%
**72
98%
Rottweil R 905 👍
<<locked>>
93%
57290
90%
**18
99%
Rottweil R 907
<<locked>>
85%
57072
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57101
89%
**94
100%
Shooters World Long Rifle
<<locked>>
86%
57290
90%
**36
100%
Somchem S361
<<locked>>
90%
56623
89%
**30
98%
Somchem S365
<<locked>>
89%
57276
90%
**89
100%
Somchem S385 👍
<<locked>>
93%
57290
90%
**89
100%
Vihtavuori N135
<<locked>>
84%
57072
89%
**28
100%
Vihtavuori N150
<<locked>>
88%
56971
89%
**77
100%
Vihtavuori N160
<<locked>>
85%
56884
89%
**43
100%
Vihtavuori N165
<<locked>>
97%
55114
86%
**40
99%
Vihtavuori N550
<<locked>>
85%
57261
90%
**92
100%
Vihtavuori N555
<<locked>>
94%
57363
90%
**12
100%
Vihtavuori N560
<<locked>>
95%
57043
89%
**81
98%
Vihtavuori N565
<<locked>>
97%
51692
81%
**72
97%
[Vihtavuori N568]*
<<locked>>
97%
44657
70%
**81
94%
Winchester 6.5 StaBALL
<<locked>>
87%
57101
89%
**13
100%
Winchester StaBALL HD
<<locked>>
97%
54839
86%
**94
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39189
61%
**80
95%
[ADI AR 2213]*
<<locked>>
81%
34983
55%
**02
92%
[ADI AR 2217]*
<<locked>>
88%
32561
51%
**20
90%
[ADI AR 2225]*
<<locked>>
86%
27586
43%
**08
90%
Accurate 3100
<<locked>>
81%
34998
55%
**49
97%
Accurate 4350
<<locked>>
81%
47021
74%
**15
100%
[Accurate MAGPRO]*
<<locked>>
83%
36695
57%
**54
90%
Alliant Reloder-16
<<locked>>
81%
45034
71%
**28
100%
Alliant Reloder-17
<<locked>>
81%
52156
82%
**43
100%
Alliant Reloder-19
<<locked>>
81%
39189
61%
**80
95%
[Alliant Reloder-22]*
<<locked>>
81%
34940
55%
**08
94%
Alliant Reloder-23
<<locked>>
81%
33649
53%
**82
99%
Alliant Reloder-25
<<locked>>
81%
29283
46%
**77
95%
Alliant Reloder-26
<<locked>>
81%
36782
58%
**20
99%
[Hodgdon H1000]*
<<locked>>
88%
32561
51%
**20
90%
Hodgdon H4350
<<locked>>
81%
43120
68%
**10
98%
[Hodgdon H4831]*
<<locked>>
81%
33431
52%
**16
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36666
57%
**92
92%
Hodgdon Hybrid 100V
<<locked>>
81%
42308
66%
**00
100%
Hodgdon LVR
<<locked>>
81%
49501
78%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
86%
27586
43%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
48472
76%
**90
99%
Hodgdon TrailBoss
<<locked>>
81%
28210
44%
**77
100%
IMR 4166 Enduron
<<locked>>
81%
53011
83%
**61
100%
IMR 4350
<<locked>>
81%
45136
71%
**53
98%
IMR 4451 Enduron
<<locked>>
81%
51082
80%
**44
99%
IMR 4831
<<locked>>
81%
40785
64%
**77
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37188
58%
**75
92%
[IMR 7828 SSC]*
<<locked>>
81%
35752
56%
**28
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32024
50%
**62
90%
Lovex S065
<<locked>>
81%
48805
76%
**02
100%
Lovex S070
<<locked>>
81%
46978
74%
**82
99%
Lovex S071
<<locked>>
81%
30110
47%
**15
95%
Norma 204
<<locked>>
81%
45382
71%
**89
97%
[Norma 217]*
<<locked>>
89%
27528
43%
**48
90%
Norma MRP
<<locked>>
81%
36622
57%
**80
96%
Norma URP
<<locked>>
81%
46137
72%
**02
100%
Ramshot Hunter
<<locked>>
81%
45020
71%
**99
99%
[Ramshot Magnum]*
<<locked>>
81%
32126
50%
**30
93%
ReloadSwiss RS 14
<<locked>>
81%
28964
45%
**22
100%
ReloadSwiss RS 60
<<locked>>
81%
50256
79%
**43
100%
ReloadSwiss RS 62
<<locked>>
81%
46920
74%
**31
100%
ReloadSwiss RS 70
<<locked>>
81%
45150
71%
**51
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27891
44%
**44
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
34925
55%
**57
90%
Rottweil R 904
<<locked>>
81%
40785
64%
**71
95%
Rottweil R 905
<<locked>>
81%
38551
60%
**67
95%
Rottweil R 907
<<locked>>
81%
49806
78%
**18
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47848
75%
**46
99%
Shooters World Long Rifle
<<locked>>
81%
48805
76%
**02
100%
[Somchem S361]*
<<locked>>
81%
41321
65%
**44
94%
Somchem S365
<<locked>>
81%
43076
67%
**66
100%
Somchem S385
<<locked>>
81%
39102
61%
**41
96%
Vihtavuori N135
<<locked>>
81%
52388
82%
**62
100%
Vihtavuori N150
<<locked>>
81%
46369
73%
**17
100%
Vihtavuori N160
<<locked>>
81%
49617
78%
**28
100%
[Vihtavuori N165]*
<<locked>>
81%
32967
52%
**93
94%
Vihtavuori N550
<<locked>>
81%
49995
78%
**71
100%
Vihtavuori N555
<<locked>>
81%
37565
59%
**54
99%
[Vihtavuori N560]*
<<locked>>
81%
34954
55%
**21
91%
[Vihtavuori N565]*
<<locked>>
83%
32460
51%
**43
90%
[Vihtavuori N568]*
<<locked>>
91%
36753
58%
**94
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46688
73%
**56
100%
Winchester StaBALL HD
<<locked>>
81%
29182
46%
**89
99%

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.

bottom of page