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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Bofors RP5, Norma MRP

7 mm PRC + .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 PRC load data
Case Length (l3):
2.280" | 57.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B12296_C1049
Last updated:
2026-03-07
Recommended Twist Rate:
1:8 - 1:6

Load data for 154 loads in caliber 7 mm PRC with .284 | 170gr | Hammer HHT bullet and 77 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Bofors RP5, Norma MRP. 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>>
93%
58276
90%
**54
100%
ADI AR 2213
<<locked>>
96%
57957
89%
**94
99%
ADI AR 2217
<<locked>>
97%
43366
67%
**38
97%
ADI AR 2225
<<locked>>
97%
38464
59%
**85
98%
Accurate 2700
<<locked>>
84%
57885
89%
**23
100%
Accurate 3100
<<locked>>
96%
58392
90%
**99
100%
Accurate 4350
<<locked>>
87%
58363
90%
**12
100%
Accurate MAGPRO
<<locked>>
97%
58436
90%
**10
98%
Alliant Reloder-16
<<locked>>
89%
57464
88%
**38
100%
Alliant Reloder-17
<<locked>>
84%
58465
90%
**44
100%
Alliant Reloder-19 👍
<<locked>>
93%
58465
90%
**51
100%
Alliant Reloder-22 👍
<<locked>>
96%
57885
89%
**87
100%
Alliant Reloder-23
<<locked>>
97%
56260
87%
**18
100%
Alliant Reloder-25
<<locked>>
97%
48733
75%
**69
100%
Alliant Reloder-26
<<locked>>
93%
58131
89%
**23
100%
Baschieri & Pellagri 109
<<locked>>
97%
57334
88%
**12
97%
Bofors RP15
<<locked>>
97%
54346
84%
**28
99%
Bofors RP30
<<locked>>
97%
44831
69%
**00
97%
Bofors RP5 👍
<<locked>>
96%
57885
89%
**87
100%
Bofors RP7
<<locked>>
86%
58436
90%
**79
100%
Hodgdon H1000
<<locked>>
97%
43366
67%
**38
97%
Hodgdon H414
<<locked>>
84%
58305
90%
**41
100%
Hodgdon H4350
<<locked>>
91%
57551
89%
**79
100%
Hodgdon H4831
<<locked>>
97%
54607
84%
**76
98%
Hodgdon H4831 SC
<<locked>>
95%
58146
89%
**28
99%
Hodgdon Hybrid 100V
<<locked>>
91%
57812
89%
**66
100%
Hodgdon LVR
<<locked>>
86%
58001
89%
**08
100%
Hodgdon Retumbo
<<locked>>
97%
38464
59%
**85
98%
Hodgdon Superperformance
<<locked>>
86%
57740
89%
**64
100%
Hodgdon TrailBoss
<<locked>>
96%
35331
54%
**86
100%
IMR 4064
<<locked>>
83%
58363
90%
**36
100%
IMR 4166 Enduron
<<locked>>
84%
58117
89%
**46
100%
IMR 4350
<<locked>>
89%
58479
90%
**92
100%
IMR 4451 Enduron
<<locked>>
85%
58175
90%
**72
100%
IMR 4831
<<locked>>
93%
58059
89%
**85
100%
IMR 4955 Enduron
<<locked>>
96%
58276
90%
**02
99%
IMR 7828 SSC
<<locked>>
95%
57856
89%
**00
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34679
53%
**93
93%
Lovex S065
<<locked>>
87%
58015
89%
**62
100%
Lovex S070
<<locked>>
88%
58030
89%
**82
100%
Lovex S071
<<locked>>
97%
49516
76%
**71
100%
Norma 204
<<locked>>
88%
57421
88%
**18
100%
Norma 217
<<locked>>
97%
34316
53%
**20
96%
Norma MRP 👍
<<locked>>
94%
57870
89%
**10
100%
Norma URP
<<locked>>
88%
58450
90%
**18
100%
Ramshot Grand
<<locked>>
93%
57885
89%
**13
99%
Ramshot Hunter
<<locked>>
89%
57827
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
57899
89%
**71
100%
ReloadSwiss RS 14
<<locked>>
96%
35911
55%
**22
100%
ReloadSwiss RS 62
<<locked>>
87%
57812
89%
**25
100%
ReloadSwiss RS 70
<<locked>>
88%
57493
88%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
47253
73%
**08
100%
ReloadSwiss RS 80
<<locked>>
97%
43076
66%
**03
95%
Rottweil R 903
<<locked>>
83%
58189
90%
**53
100%
Rottweil R 904
<<locked>>
92%
58073
89%
**05
99%
Rottweil R 905
<<locked>>
93%
57551
89%
**41
100%
Rottweil R 907
<<locked>>
86%
58436
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
83%
58218
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57754
89%
**23
100%
Shooters World Long Rifle
<<locked>>
87%
58015
89%
**62
100%
Somchem S355
<<locked>>
83%
58073
89%
**46
100%
Somchem S361
<<locked>>
91%
58059
89%
**76
99%
Somchem S365
<<locked>>
90%
57638
89%
**02
100%
Somchem S385
<<locked>>
93%
58276
90%
**15
100%
Vihtavuori N135
<<locked>>
85%
58305
90%
**54
100%
Vihtavuori N150
<<locked>>
88%
57870
89%
**03
100%
Vihtavuori N160
<<locked>>
86%
57957
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
54926
85%
**49
100%
Vihtavuori N550
<<locked>>
86%
57986
89%
**08
100%
Vihtavuori N555
<<locked>>
95%
58436
90%
**38
100%
Vihtavuori N560
<<locked>>
96%
57870
89%
**07
99%
Vihtavuori N565
<<locked>>
97%
51053
79%
**89
98%
Vihtavuori N568
<<locked>>
97%
44527
69%
**10
95%
Winchester 6.5 StaBALL
<<locked>>
88%
58233
90%
**46
100%
Winchester 760
<<locked>>
84%
58305
90%
**41
100%
Winchester StaBALL HD
<<locked>>
97%
53505
82%
**00
100%
Winchester Supreme 780
<<locked>>
92%
58131
89%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39059
60%
**13
96%
[ADI AR 2213]*
<<locked>>
81%
34896
54%
**44
93%
[ADI AR 2217]*
<<locked>>
86%
30676
47%
**23
90%
[ADI AR 2225]*
<<locked>>
84%
25570
39%
**11
90%
Accurate 2700
<<locked>>
81%
53040
82%
**57
100%
Accurate 3100
<<locked>>
81%
34838
54%
**95
98%
Accurate 4350
<<locked>>
81%
46818
72%
**35
100%
[Accurate MAGPRO]*
<<locked>>
81%
34084
52%
**44
90%
Alliant Reloder-16
<<locked>>
81%
44802
69%
**38
100%
Alliant Reloder-17
<<locked>>
81%
51750
80%
**56
100%
Alliant Reloder-19
<<locked>>
81%
39044
60%
**13
96%
Alliant Reloder-22
<<locked>>
81%
34853
54%
**54
95%
Alliant Reloder-23
<<locked>>
81%
33518
52%
**21
100%
Alliant Reloder-25
<<locked>>
81%
29182
45%
**33
96%
Alliant Reloder-26
<<locked>>
81%
36506
56%
**52
99%
[Baschieri & Pellagri 109]*
<<locked>>
83%
37710
58%
**38
90%
[Bofors RP15]*
<<locked>>
81%
32300
50%
**88
94%
[Bofors RP30]*
<<locked>>
83%
28587
44%
**10
90%
Bofors RP5
<<locked>>
81%
34853
54%
**54
95%
Bofors RP7
<<locked>>
81%
49719
77%
**41
99%
[Hodgdon H1000]*
<<locked>>
86%
30676
47%
**23
90%
Hodgdon H414
<<locked>>
81%
52605
81%
**49
100%
Hodgdon H4350
<<locked>>
81%
42989
66%
**39
98%
[Hodgdon H4831]*
<<locked>>
81%
32735
50%
**43
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36579
56%
**34
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42453
65%
**36
100%
Hodgdon LVR
<<locked>>
81%
49182
76%
**74
100%
[Hodgdon Retumbo]*
<<locked>>
84%
25570
39%
**11
90%
Hodgdon Superperformance
<<locked>>
81%
48037
74%
**13
99%
Hodgdon TrailBoss
<<locked>>
81%
28384
44%
**49
100%
IMR 4064
<<locked>>
81%
54128
83%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
52504
81%
**64
100%
IMR 4350
<<locked>>
81%
44788
69%
**72
99%
IMR 4451 Enduron
<<locked>>
81%
51082
79%
**61
100%
IMR 4831
<<locked>>
81%
40393
62%
**07
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36999
57%
**18
94%
[IMR 7828 SSC]*
<<locked>>
81%
35708
55%
**80
93%
[IMR 8133 Enduron]*
<<locked>>
92%
29283
45%
**49
90%
Lovex S065
<<locked>>
81%
48660
75%
**15
100%
Lovex S070
<<locked>>
81%
46746
72%
**08
99%
Lovex S071
<<locked>>
81%
29907
46%
**74
96%
Norma 204
<<locked>>
81%
45179
70%
**18
98%
[Norma 217]*
<<locked>>
88%
25788
40%
**57
90%
Norma MRP
<<locked>>
81%
36129
56%
**16
97%
Norma URP
<<locked>>
81%
45759
70%
**18
100%
[Ramshot Grand]*
<<locked>>
81%
36883
57%
**23
94%
Ramshot Hunter
<<locked>>
81%
44802
69%
**28
100%
[Ramshot Magnum]*
<<locked>>
81%
31923
49%
**79
94%
ReloadSwiss RS 14
<<locked>>
81%
28906
44%
**85
100%
ReloadSwiss RS 62
<<locked>>
81%
46688
72%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
44962
69%
**71
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27412
42%
**00
92%
[ReloadSwiss RS 80]*
<<locked>>
90%
33127
51%
**61
90%
Rottweil R 903
<<locked>>
81%
53954
83%
**87
100%
Rottweil R 904
<<locked>>
81%
40437
62%
**93
95%
Rottweil R 905
<<locked>>
81%
38537
59%
**00
96%
Rottweil R 907
<<locked>>
81%
49719
77%
**41
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
53998
83%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47558
73%
**66
99%
Shooters World Long Rifle
<<locked>>
81%
48660
75%
**15
100%
Somchem S355
<<locked>>
81%
53954
83%
**87
100%
Somchem S361
<<locked>>
81%
41191
63%
**84
95%
Somchem S365
<<locked>>
81%
42670
66%
**82
100%
Somchem S385
<<locked>>
81%
39015
60%
**80
97%
Vihtavuori N135
<<locked>>
81%
52504
81%
**79
100%
Vihtavuori N150
<<locked>>
81%
46079
71%
**33
100%
Vihtavuori N160
<<locked>>
81%
49269
76%
**44
100%
Vihtavuori N165
<<locked>>
81%
32576
50%
**33
95%
Vihtavuori N550
<<locked>>
81%
50067
77%
**90
100%
Vihtavuori N555
<<locked>>
81%
37434
58%
**90
100%
[Vihtavuori N560]*
<<locked>>
81%
34925
54%
**64
92%
[Vihtavuori N565]*
<<locked>>
81%
29820
46%
**23
90%
[Vihtavuori N568]*
<<locked>>
89%
33866
52%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46572
72%
**85
100%
Winchester 760
<<locked>>
81%
52605
81%
**49
100%
Winchester StaBALL HD
<<locked>>
81%
29008
45%
**41
100%
Winchester Supreme 780
<<locked>>
81%
38624
59%
**74
96%

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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