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Load data for 7 mm Weath. Mag. + .284 | 170gr | Hammer HHT

Recommended Powder(s): Alliant Reloder-22, Bofors RP5, Norma MRP, Ramshot Grand, Ramshot Magnum

7 mm Weath. Mag. + .284 | 170gr | Hammer HHT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 170gr | Hammer HHT
Manufacturer SKU:
28170HT
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12296_C1070
Last updated:
2026-03-08
Recommended Twist Rate:
1:8 - 1:6

Load data for 146 loads in caliber 7 mm Weath. Mag. with .284 | 170gr | Hammer HHT bullet and 73 powders such as Alliant Reloder-22, Bofors RP5, Norma MRP, Ramshot Grand, Ramshot Magnum. 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>>
92%
57217
90%
**44
100%
ADI AR 2213
<<locked>>
95%
56739
89%
**81
99%
ADI AR 2217
<<locked>>
97%
43903
69%
**44
97%
ADI AR 2225
<<locked>>
97%
39392
62%
**21
99%
Accurate 3100
<<locked>>
95%
57116
90%
**89
100%
Accurate 4350
<<locked>>
86%
57217
90%
**99
100%
Accurate MAGPRO
<<locked>>
96%
57101
89%
**90
98%
Alliant Reloder-16
<<locked>>
88%
57392
90%
**41
100%
Alliant Reloder-17
<<locked>>
83%
56608
89%
**28
100%
Alliant Reloder-19
<<locked>>
92%
57290
90%
**38
100%
Alliant Reloder-22 👍
<<locked>>
95%
56724
89%
**71
100%
Alliant Reloder-23
<<locked>>
97%
57392
90%
**35
100%
Alliant Reloder-25
<<locked>>
97%
49255
77%
**82
100%
Alliant Reloder-26
<<locked>>
92%
56652
89%
**13
100%
Baschieri & Pellagri 109
<<locked>>
96%
56826
89%
**15
97%
Bofors RP15
<<locked>>
97%
54926
86%
**41
99%
Bofors RP30
<<locked>>
97%
46064
72%
**23
98%
Bofors RP5 👍
<<locked>>
95%
56724
89%
**71
100%
Bofors RP7
<<locked>>
85%
56710
89%
**56
100%
Hodgdon H1000
<<locked>>
97%
43903
69%
**44
97%
Hodgdon H414
<<locked>>
83%
57363
90%
**25
100%
Hodgdon H4350
<<locked>>
90%
57072
89%
**79
100%
Hodgdon H4831
<<locked>>
97%
55912
88%
**05
98%
Hodgdon H4831 SC
<<locked>>
94%
56666
89%
**12
98%
Hodgdon Hybrid 100V
<<locked>>
90%
56855
89%
**49
100%
Hodgdon LVR
<<locked>>
85%
56971
89%
**95
100%
Hodgdon Retumbo
<<locked>>
97%
39392
62%
**21
99%
Hodgdon Superperformance
<<locked>>
85%
57130
90%
**58
100%
Hodgdon TrailBoss
<<locked>>
96%
35114
55%
**90
100%
IMR 4166 Enduron
<<locked>>
83%
57203
90%
**36
100%
IMR 4350
<<locked>>
88%
57276
90%
**85
100%
IMR 4451 Enduron
<<locked>>
84%
57217
90%
**62
100%
IMR 4831
<<locked>>
91%
57043
89%
**79
100%
IMR 4955 Enduron
<<locked>>
95%
56811
89%
**89
99%
IMR 7828 SSC
<<locked>>
94%
57421
90%
**04
99%
[IMR 8133 Enduron]*
<<locked>>
97%
35317
55%
**16
94%
Lovex S065
<<locked>>
86%
57406
90%
**53
100%
Lovex S070
<<locked>>
87%
57072
89%
**76
100%
Lovex S071
<<locked>>
97%
50125
79%
**84
100%
Norma 204
<<locked>>
88%
57159
90%
**15
100%
Norma 217
<<locked>>
97%
35331
55%
**49
97%
Norma MRP 👍
<<locked>>
93%
56652
89%
**94
100%
Norma URP
<<locked>>
87%
57203
90%
**05
100%
Ramshot Grand 👍
<<locked>>
92%
56695
89%
**97
99%
Ramshot Hunter
<<locked>>
88%
56710
89%
**18
100%
Ramshot Magnum 👍
<<locked>>
96%
57000
89%
**64
100%
ReloadSwiss RS 14
<<locked>>
96%
35955
56%
**29
100%
ReloadSwiss RS 62
<<locked>>
86%
56768
89%
**15
100%
ReloadSwiss RS 70
<<locked>>
87%
57232
90%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
48544
76%
**41
100%
ReloadSwiss RS 80
<<locked>>
97%
43468
68%
**10
95%
Rottweil R 904
<<locked>>
91%
56768
89%
**92
99%
Rottweil R 905
<<locked>>
92%
56797
89%
**31
100%
Rottweil R 907
<<locked>>
85%
56710
89%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56913
89%
**17
100%
Shooters World Long Rifle
<<locked>>
86%
57406
90%
**53
100%
Somchem S361
<<locked>>
90%
56898
89%
**66
99%
Somchem S365
<<locked>>
89%
56652
89%
**95
100%
Somchem S385
<<locked>>
92%
57130
90%
**02
100%
Vihtavuori N135
<<locked>>
84%
57058
89%
**41
100%
Vihtavuori N150
<<locked>>
87%
56826
89%
**90
100%
Vihtavuori N160
<<locked>>
85%
57014
89%
**59
100%
Vihtavuori N165
<<locked>>
97%
55274
87%
**59
100%
Vihtavuori N550
<<locked>>
85%
56927
89%
**02
100%
Vihtavuori N555
<<locked>>
94%
57305
90%
**25
100%
Vihtavuori N560
<<locked>>
95%
56710
89%
**04
99%
Vihtavuori N565
<<locked>>
97%
51677
81%
**02
98%
Vihtavuori N568
<<locked>>
97%
45020
71%
**23
95%
[Vihtavuori N570]*
<<locked>>
97%
43497
68%
**20
92%
Winchester 6.5 StaBALL
<<locked>>
87%
56898
89%
**33
100%
Winchester 760
<<locked>>
83%
57363
90%
**25
100%
Winchester StaBALL HD
<<locked>>
97%
54607
86%
**13
100%
Winchester Supreme 780
<<locked>>
91%
56840
89%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39682
62%
**30
97%
[ADI AR 2213]*
<<locked>>
81%
35418
56%
**61
93%
[ADI AR 2217]*
<<locked>>
85%
30052
47%
**13
90%
[ADI AR 2225]*
<<locked>>
83%
25208
39%
**05
90%
Accurate 3100
<<locked>>
81%
35462
56%
**11
98%
Accurate 4350
<<locked>>
81%
47587
75%
**51
100%
[Accurate MAGPRO]*
<<locked>>
81%
34098
53%
**44
90%
Alliant Reloder-16
<<locked>>
81%
45571
71%
**61
100%
Alliant Reloder-17
<<locked>>
81%
52475
82%
**72
100%
Alliant Reloder-19
<<locked>>
81%
39653
62%
**30
97%
Alliant Reloder-22
<<locked>>
81%
35331
55%
**67
95%
Alliant Reloder-23
<<locked>>
81%
33924
53%
**31
100%
Alliant Reloder-25
<<locked>>
81%
29501
46%
**46
96%
Alliant Reloder-26
<<locked>>
81%
37333
59%
**79
99%
[Baschieri & Pellagri 109]*
<<locked>>
83%
37579
59%
**38
90%
[Bofors RP15]*
<<locked>>
81%
32793
51%
**05
94%
[Bofors RP30]*
<<locked>>
82%
28282
44%
**06
90%
Bofors RP5
<<locked>>
81%
35331
55%
**67
95%
Bofors RP7
<<locked>>
81%
50401
79%
**57
99%
[Hodgdon H1000]*
<<locked>>
85%
30052
47%
**13
90%
Hodgdon H414
<<locked>>
81%
53243
83%
**66
100%
Hodgdon H4350
<<locked>>
81%
43279
68%
**49
98%
[Hodgdon H4831]*
<<locked>>
81%
33301
52%
**59
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
37130
58%
**57
94%
Hodgdon Hybrid 100V
<<locked>>
81%
43221
68%
**49
100%
Hodgdon LVR
<<locked>>
81%
49922
78%
**94
100%
[Hodgdon Retumbo]*
<<locked>>
83%
25208
39%
**05
90%
Hodgdon Superperformance
<<locked>>
81%
48950
77%
**33
100%
Hodgdon TrailBoss
<<locked>>
81%
28210
44%
**49
100%
IMR 4166 Enduron
<<locked>>
81%
53229
83%
**80
100%
IMR 4350
<<locked>>
81%
45426
71%
**85
99%
IMR 4451 Enduron
<<locked>>
81%
51750
81%
**84
100%
IMR 4831
<<locked>>
81%
41031
64%
**20
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37260
58%
**28
94%
[IMR 7828 SSC]*
<<locked>>
81%
36230
57%
**93
94%
[IMR 8133 Enduron]*
<<locked>>
91%
29515
46%
**52
90%
Lovex S065
<<locked>>
81%
48950
77%
**31
100%
Lovex S070
<<locked>>
81%
47413
74%
**21
100%
Lovex S071
<<locked>>
81%
30574
48%
**90
96%
Norma 204
<<locked>>
81%
45774
72%
**28
98%
[Norma 217]*
<<locked>>
87%
25440
40%
**47
90%
Norma MRP
<<locked>>
81%
36709
58%
**30
97%
Norma URP
<<locked>>
81%
46485
73%
**41
100%
Ramshot Grand
<<locked>>
81%
37478
59%
**36
95%
Ramshot Hunter
<<locked>>
81%
45426
71%
**38
100%
Ramshot Magnum
<<locked>>
81%
32648
51%
**05
95%
ReloadSwiss RS 14
<<locked>>
81%
29066
46%
**91
100%
ReloadSwiss RS 62
<<locked>>
81%
47340
74%
**71
100%
ReloadSwiss RS 70
<<locked>>
81%
45556
71%
**90
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27760
43%
**20
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
32576
51%
**48
90%
Rottweil R 904
<<locked>>
81%
40944
64%
**16
96%
Rottweil R 905
<<locked>>
81%
38812
61%
**07
97%
Rottweil R 907
<<locked>>
81%
50401
79%
**57
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48269
76%
**82
100%
Shooters World Long Rifle
<<locked>>
81%
48950
77%
**31
100%
Somchem S361
<<locked>>
81%
41640
65%
**03
95%
Somchem S365
<<locked>>
81%
43439
68%
**95
100%
Somchem S385
<<locked>>
81%
39610
62%
**03
98%
Vihtavuori N135
<<locked>>
81%
52997
83%
**92
100%
Vihtavuori N150
<<locked>>
81%
46862
73%
**49
100%
Vihtavuori N160
<<locked>>
81%
49951
78%
**61
100%
Vihtavuori N165
<<locked>>
81%
33156
52%
**49
95%
Vihtavuori N550
<<locked>>
81%
50749
80%
**10
100%
Vihtavuori N555
<<locked>>
81%
38159
60%
**07
100%
[Vihtavuori N560]*
<<locked>>
81%
35476
56%
**87
93%
[Vihtavuori N565]*
<<locked>>
81%
30342
48%
**46
91%
[Vihtavuori N568]*
<<locked>>
88%
33852
53%
**70
90%
[Vihtavuori N570]*
<<locked>>
94%
39204
61%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47108
74%
**92
100%
Winchester 760
<<locked>>
81%
53243
83%
**66
100%
Winchester StaBALL HD
<<locked>>
81%
29646
46%
**54
100%
Winchester Supreme 780
<<locked>>
81%
39247
62%
**97
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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