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Load data for 7 mm PRC + .284 | 145gr | Speer Grand Slam

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Somchem S385

7 mm PRC + .284 | 145gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Speer Grand Slam
Manufacturer SKU:
1632
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.110" | 28.2mm
Caliber:
7 mm PRC load data
Case Length (l3):
2.280" | 57.9mm
Cartridge Length (C.O.L.):
3.268" | 83.0mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B6125_C1049
Last updated:
2025-01-01

Load data for 144 loads in caliber 7 mm PRC with .284 | 145gr | Speer Grand Slam bullet and 72 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, 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".

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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 2208
<<locked>>
83%
58030
89%
**82
100%
ADI AR 2209 👍
<<locked>>
94%
58465
90%
**81
99%
ADI AR 2213
<<locked>>
96%
57856
89%
**14
98%
ADI AR 2217
<<locked>>
97%
42467
65%
**08
95%
ADI AR 2225
<<locked>>
97%
37985
58%
**69
97%
Accurate 2700
<<locked>>
84%
58247
90%
**59
100%
Accurate 3100
<<locked>>
97%
58407
90%
**28
100%
Accurate 4350
<<locked>>
88%
58363
90%
**51
100%
Accurate MAGPRO
<<locked>>
97%
57827
89%
**23
97%
Alliant Reloder-16
<<locked>>
90%
58305
90%
**91
100%
Alliant Reloder-17
<<locked>>
85%
57638
89%
**74
100%
Alliant Reloder-19 👍
<<locked>>
94%
58436
90%
**77
99%
Alliant Reloder-22
<<locked>>
97%
58436
90%
**20
99%
Alliant Reloder-23
<<locked>>
97%
55608
86%
**35
100%
Alliant Reloder-25
<<locked>>
97%
48167
74%
**79
100%
Alliant Reloder-26 👍
<<locked>>
94%
57928
89%
**63
100%
Hodgdon H1000
<<locked>>
97%
42467
65%
**08
95%
Hodgdon H414
<<locked>>
84%
57914
89%
**68
100%
Hodgdon H4350
<<locked>>
91%
58030
89%
**18
100%
Hodgdon H4831
<<locked>>
97%
53925
83%
**89
97%
Hodgdon H4831 SC
<<locked>>
95%
57957
89%
**51
98%
Hodgdon Hybrid 100V
<<locked>>
91%
57551
89%
**92
100%
Hodgdon LVR
<<locked>>
87%
58436
90%
**48
100%
Hodgdon Retumbo
<<locked>>
97%
37985
58%
**69
97%
Hodgdon Superperformance
<<locked>>
87%
58233
90%
**00
100%
Hodgdon VARGET
<<locked>>
84%
58305
90%
**92
100%
Hodgdon TrailBoss
<<locked>>
96%
35143
54%
**60
100%
IMR 4064
<<locked>>
84%
57812
89%
**69
100%
IMR 4166 Enduron
<<locked>>
85%
58450
90%
**89
100%
IMR 4350
<<locked>>
90%
58378
90%
**15
100%
IMR 4451 Enduron
<<locked>>
86%
58175
90%
**05
100%
IMR 4831
<<locked>>
93%
58421
90%
**31
100%
IMR 4955 Enduron
<<locked>>
96%
57972
89%
**15
98%
IMR 7828 SSC
<<locked>>
96%
58276
90%
**30
98%
Lovex S065
<<locked>>
87%
58421
90%
**95
100%
Lovex S070
<<locked>>
89%
58450
90%
**22
100%
Lovex S071
<<locked>>
97%
48936
75%
**74
99%
Norma 204
<<locked>>
89%
58233
90%
**54
99%
[Norma 217]*
<<locked>>
97%
33779
52%
**80
94%
Norma MRP 👍
<<locked>>
95%
57841
89%
**36
100%
Norma URP
<<locked>>
89%
57711
89%
**38
100%
Ramshot Hunter
<<locked>>
90%
58334
90%
**74
100%
Ramshot Magnum
<<locked>>
97%
57363
88%
**87
100%
ReloadSwiss RS 14
<<locked>>
97%
36187
56%
**09
100%
ReloadSwiss RS 60
<<locked>>
86%
57986
89%
**97
100%
ReloadSwiss RS 62
<<locked>>
88%
57972
89%
**64
100%
ReloadSwiss RS 70
<<locked>>
89%
57740
89%
**10
100%
ReloadSwiss RS 76
<<locked>>
97%
47369
73%
**22
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42221
65%
**71
93%
Rottweil R 903
<<locked>>
84%
58436
90%
**92
100%
Rottweil R 904
<<locked>>
92%
57609
89%
**22
98%
Rottweil R 905
<<locked>>
94%
58175
90%
**71
99%
Rottweil R 907
<<locked>>
87%
58233
90%
**09
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57740
89%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58146
89%
**53
100%
Shooters World Long Rifle
<<locked>>
87%
58421
90%
**95
100%
Somchem S355
<<locked>>
84%
58175
90%
**89
100%
Somchem S361
<<locked>>
92%
57957
89%
**92
98%
Somchem S365
<<locked>>
91%
58204
90%
**48
100%
Somchem S385 👍
<<locked>>
94%
58436
90%
**41
100%
Vihtavuori N135
<<locked>>
85%
58131
89%
**94
100%
Vihtavuori N150
<<locked>>
89%
58015
89%
**36
100%
Vihtavuori N160
<<locked>>
86%
57870
89%
**02
100%
Vihtavuori N165
<<locked>>
97%
53679
83%
**53
99%
Vihtavuori N550
<<locked>>
86%
57682
89%
**45
100%
Vihtavuori N555
<<locked>>
95%
58392
90%
**68
100%
Vihtavuori N560
<<locked>>
97%
58131
89%
**40
98%
Vihtavuori N565
<<locked>>
97%
50372
78%
**89
97%
[Vihtavuori N568]*
<<locked>>
97%
43787
67%
**94
93%
Winchester 6.5 StaBALL
<<locked>>
88%
58450
90%
**79
100%
Winchester 760
<<locked>>
84%
57914
89%
**68
100%
Winchester StaBALL HD
<<locked>>
97%
52750
81%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54244
83%
**30
100%
ADI AR 2209
<<locked>>
81%
38392
59%
**97
95%
[ADI AR 2213]*
<<locked>>
81%
34345
53%
**12
90%
[ADI AR 2217]*
<<locked>>
90%
33910
52%
**85
90%
[ADI AR 2225]*
<<locked>>
88%
28369
44%
**67
90%
Accurate 2700
<<locked>>
81%
52402
81%
**64
99%
Accurate 3100
<<locked>>
81%
34040
52%
**59
96%
Accurate 4350
<<locked>>
81%
45832
71%
**41
100%
[Accurate MAGPRO]*
<<locked>>
85%
37956
58%
**23
90%
Alliant Reloder-16
<<locked>>
81%
43845
67%
**44
100%
Alliant Reloder-17
<<locked>>
81%
50807
78%
**76
100%
Alliant Reloder-19
<<locked>>
81%
38261
59%
**94
95%
[Alliant Reloder-22]*
<<locked>>
81%
34113
52%
**18
93%
Alliant Reloder-23
<<locked>>
81%
32648
50%
**89
99%
[Alliant Reloder-25]*
<<locked>>
81%
28471
44%
**80
93%
Alliant Reloder-26
<<locked>>
81%
35636
55%
**23
98%
[Hodgdon H1000]*
<<locked>>
90%
33910
52%
**85
90%
Hodgdon H414
<<locked>>
81%
51967
80%
**69
99%
Hodgdon H4350
<<locked>>
81%
42105
65%
**26
97%
[Hodgdon H4831]*
<<locked>>
83%
34432
53%
**75
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35882
55%
**15
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41640
64%
**23
100%
Hodgdon LVR
<<locked>>
81%
48269
74%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
88%
28369
44%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
47050
72%
**10
98%
Hodgdon VARGET
<<locked>>
81%
53867
83%
**17
100%
Hodgdon TrailBoss
<<locked>>
81%
28282
44%
**06
100%
IMR 4064
<<locked>>
81%
53243
82%
**97
100%
IMR 4166 Enduron
<<locked>>
81%
51967
80%
**84
99%
IMR 4350
<<locked>>
81%
44077
68%
**69
98%
IMR 4451 Enduron
<<locked>>
81%
50357
77%
**71
99%
IMR 4831
<<locked>>
81%
39711
61%
**94
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36318
56%
**85
91%
[IMR 7828 SSC]*
<<locked>>
81%
34954
54%
**44
91%
Lovex S065
<<locked>>
81%
47834
74%
**22
99%
Lovex S070
<<locked>>
81%
45992
71%
**12
99%
[Lovex S071]*
<<locked>>
81%
29196
45%
**31
94%
Norma 204
<<locked>>
81%
44208
68%
**99
96%
[Norma 217]*
<<locked>>
92%
28950
45%
**20
90%
Norma MRP
<<locked>>
81%
35491
55%
**94
95%
Norma URP
<<locked>>
81%
45063
69%
**22
100%
Ramshot Hunter
<<locked>>
81%
44048
68%
**18
99%
[Ramshot Magnum]*
<<locked>>
81%
31415
48%
**36
92%
ReloadSwiss RS 14
<<locked>>
81%
28790
44%
**49
100%
ReloadSwiss RS 60
<<locked>>
81%
48936
75%
**66
100%
ReloadSwiss RS 62
<<locked>>
81%
45832
71%
**58
100%
ReloadSwiss RS 70
<<locked>>
81%
44193
68%
**77
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
28863
44%
**10
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
36172
56%
**23
90%
Rottweil R 903
<<locked>>
81%
53214
82%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
39784
61%
**84
94%
[Rottweil R 905]*
<<locked>>
81%
37478
58%
**74
94%
Rottweil R 907
<<locked>>
81%
48950
75%
**44
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
53185
82%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46717
72%
**62
99%
Shooters World Long Rifle
<<locked>>
81%
47834
74%
**22
99%
Somchem S355
<<locked>>
81%
53026
82%
**10
100%
[Somchem S361]*
<<locked>>
81%
40582
62%
**71
93%
Somchem S365
<<locked>>
81%
41785
64%
**79
100%
Somchem S385
<<locked>>
81%
38247
59%
**64
96%
Vihtavuori N135
<<locked>>
81%
51387
79%
**95
100%
Vihtavuori N150
<<locked>>
81%
45310
70%
**40
100%
Vihtavuori N160
<<locked>>
81%
48370
74%
**54
100%
[Vihtavuori N165]*
<<locked>>
81%
32024
49%
**00
93%
Vihtavuori N550
<<locked>>
81%
49240
76%
**04
100%
Vihtavuori N555
<<locked>>
81%
36666
56%
**77
99%
[Vihtavuori N560]*
<<locked>>
81%
34708
53%
**51
90%
[Vihtavuori N565]*
<<locked>>
85%
33170
51%
**98
90%
[Vihtavuori N568]*
<<locked>>
93%
37608
58%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45788
70%
**85
100%
Winchester 760
<<locked>>
81%
51967
80%
**69
99%
Winchester StaBALL HD
<<locked>>
81%
27920
43%
**85
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.

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

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