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Load data for 7 mm PRC + .284 | 150gr | Swift Scirocco

Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905, Somchem S385

7 mm PRC + .284 | 150gr | Swift Scirocco

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Swift Scirocco
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.385" | 35.2mm
Caliber:
7 mm PRC load data
Case Length (l3):
2.280" | 57.9mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.375" | 9.5mm
Shank Seated Depth:
0.270" | 6.9mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B10839_C1049
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:8

Load data for 148 loads in caliber 7 mm PRC with .284 | 150gr | Swift Scirocco bullet and 74 powders such as Alliant Reloder-19, Alliant Reloder-26, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 34.4 fps

  • 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.

    .

    Loading_icon.gif

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%
57609
89%
**17
100%
ADI AR 2209
<<locked>>
94%
57696
89%
**25
99%
ADI AR 2213
<<locked>>
97%
57899
89%
**61
98%
ADI AR 2217
<<locked>>
97%
42177
65%
**53
95%
ADI AR 2225
<<locked>>
97%
37217
57%
**97
96%
Accurate 2700
<<locked>>
84%
57812
89%
**90
100%
Accurate 3100
<<locked>>
97%
57319
88%
**59
100%
Accurate 4350
<<locked>>
88%
58247
90%
**89
100%
Accurate MAGPRO
<<locked>>
97%
56478
87%
**51
97%
Alliant Reloder- TS 15.5
<<locked>>
83%
58450
90%
**36
100%
Alliant Reloder-16
<<locked>>
90%
58247
90%
**35
100%
Alliant Reloder-17
<<locked>>
85%
57725
89%
**25
100%
Alliant Reloder-19 👍
<<locked>>
94%
57769
89%
**15
99%
Alliant Reloder-22
<<locked>>
97%
57392
88%
**48
99%
Alliant Reloder-23
<<locked>>
97%
54041
83%
**66
100%
Alliant Reloder-25
<<locked>>
97%
47021
72%
**07
100%
Alliant Reloder-26 👍
<<locked>>
94%
58015
89%
**10
100%
Hodgdon H1000
<<locked>>
97%
42177
65%
**53
95%
Hodgdon H414
<<locked>>
85%
58146
89%
**09
100%
Hodgdon H4350
<<locked>>
92%
58073
89%
**56
100%
Hodgdon H4831
<<locked>>
97%
53098
82%
**23
97%
Hodgdon H4831 SC
<<locked>>
96%
58015
89%
**99
98%
Hodgdon Hybrid 100V
<<locked>>
92%
58102
89%
**43
100%
Hodgdon LVR
<<locked>>
87%
58131
89%
**89
100%
Hodgdon Retumbo
<<locked>>
97%
37217
57%
**97
96%
Hodgdon Superperformance
<<locked>>
87%
57986
89%
**41
100%
Hodgdon VARGET
<<locked>>
84%
57609
89%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
35215
54%
**14
100%
IMR 4064
<<locked>>
84%
58175
90%
**17
100%
IMR 4166 Enduron
<<locked>>
85%
58247
90%
**30
100%
IMR 4350
<<locked>>
90%
58262
90%
**66
100%
IMR 4451 Enduron
<<locked>>
86%
57899
89%
**40
100%
IMR 4831
<<locked>>
93%
57812
89%
**66
100%
IMR 4955 Enduron
<<locked>>
97%
58189
90%
**66
98%
IMR 7828 SSC
<<locked>>
96%
58378
90%
**81
99%
Lovex S065
<<locked>>
88%
57943
89%
**33
100%
Lovex S070
<<locked>>
89%
58334
90%
**59
100%
Lovex S071
<<locked>>
97%
47935
74%
**05
99%
Norma 204
<<locked>>
89%
57986
89%
**99
99%
[Norma 217]*
<<locked>>
97%
33344
51%
**18
94%
Norma MRP 👍
<<locked>>
95%
57885
89%
**81
100%
Norma URP
<<locked>>
89%
58392
90%
**92
100%
Ramshot Hunter
<<locked>>
90%
58073
89%
**09
100%
Ramshot Magnum
<<locked>>
97%
55782
86%
**09
100%
ReloadSwiss RS 14
<<locked>>
96%
36085
56%
**57
100%
ReloadSwiss RS 60
<<locked>>
86%
58175
90%
**51
100%
ReloadSwiss RS 62
<<locked>>
88%
57812
89%
**02
100%
ReloadSwiss RS 70
<<locked>>
89%
57885
89%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
46166
71%
**43
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41350
64%
**12
93%
Rottweil R 903
<<locked>>
84%
57899
89%
**27
100%
Rottweil R 904
<<locked>>
93%
57566
89%
**63
98%
Rottweil R 905 👍
<<locked>>
94%
57696
89%
**15
99%
Rottweil R 907
<<locked>>
87%
58131
89%
**46
100%
SNPE Vectan SP 11
<<locked>>
83%
58363
90%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58117
89%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
58102
89%
**97
100%
Shooters World Long Rifle
<<locked>>
88%
57943
89%
**33
100%
Somchem S355
<<locked>>
85%
58320
90%
**33
100%
Somchem S361
<<locked>>
92%
57522
89%
**36
98%
Somchem S365
<<locked>>
91%
57856
89%
**86
100%
Somchem S385 👍
<<locked>>
94%
58378
90%
**86
100%
Vihtavuori N135
<<locked>>
85%
57972
89%
**35
100%
Vihtavuori N150
<<locked>>
89%
57899
89%
**84
100%
Vihtavuori N160
<<locked>>
87%
58450
90%
**53
100%
Vihtavuori N165
<<locked>>
97%
53258
82%
**97
99%
Vihtavuori N550
<<locked>>
86%
58102
89%
**86
100%
Vihtavuori N555
<<locked>>
95%
57711
89%
**05
100%
Vihtavuori N560
<<locked>>
97%
57508
89%
**77
98%
Vihtavuori N565
<<locked>>
97%
49052
75%
**10
97%
[Vihtavuori N568]*
<<locked>>
97%
42888
66%
**25
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57740
89%
**13
100%
Winchester 760
<<locked>>
85%
58146
89%
**09
100%
Winchester StaBALL HD
<<locked>>
97%
50879
78%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53722
83%
**61
100%
[ADI AR 2209]*
<<locked>>
81%
37782
58%
**35
94%
[ADI AR 2213]*
<<locked>>
81%
33837
52%
**56
90%
[ADI AR 2217]*
<<locked>>
90%
33489
52%
**33
90%
[ADI AR 2225]*
<<locked>>
87%
28036
43%
**08
90%
Accurate 2700
<<locked>>
81%
51909
80%
**02
99%
Accurate 3100
<<locked>>
81%
33663
52%
**03
96%
Accurate 4350
<<locked>>
81%
45353
70%
**72
100%
[Accurate MAGPRO]*
<<locked>>
85%
37159
57%
**64
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
54781
84%
**81
100%
Alliant Reloder-16
<<locked>>
81%
43410
67%
**79
100%
Alliant Reloder-17
<<locked>>
81%
49806
77%
**97
100%
Alliant Reloder-19
<<locked>>
81%
37768
58%
**35
95%
[Alliant Reloder-22]*
<<locked>>
81%
33504
52%
**62
93%
Alliant Reloder-23
<<locked>>
81%
32227
50%
**33
99%
[Alliant Reloder-25]*
<<locked>>
81%
28253
43%
**28
94%
Alliant Reloder-26
<<locked>>
81%
35143
54%
**71
98%
[Hodgdon H1000]*
<<locked>>
90%
33489
52%
**33
90%
Hodgdon H414
<<locked>>
81%
51169
79%
**97
99%
Hodgdon H4350
<<locked>>
81%
41597
64%
**61
97%
[Hodgdon H4831]*
<<locked>>
83%
34316
53%
**23
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35331
54%
**46
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40814
63%
**64
100%
Hodgdon LVR
<<locked>>
81%
47543
73%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28036
43%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
46644
72%
**51
98%
Hodgdon VARGET
<<locked>>
81%
53069
82%
**48
100%
Hodgdon TrailBoss
<<locked>>
81%
28036
43%
**60
100%
IMR 4064
<<locked>>
81%
52895
81%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
51547
79%
**15
99%
IMR 4350
<<locked>>
81%
43656
67%
**10
98%
IMR 4451 Enduron
<<locked>>
81%
49777
77%
**05
99%
IMR 4831
<<locked>>
81%
39334
61%
**41
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35853
55%
**33
92%
[IMR 7828 SSC]*
<<locked>>
81%
34403
53%
**79
91%
Lovex S065
<<locked>>
81%
47297
73%
**59
99%
Lovex S070
<<locked>>
81%
45397
70%
**36
98%
[Lovex S071]*
<<locked>>
81%
28993
45%
**82
94%
Norma 204
<<locked>>
81%
43569
67%
**46
96%
[Norma 217]*
<<locked>>
92%
28543
44%
**70
90%
Norma MRP
<<locked>>
81%
34954
54%
**35
95%
Norma URP
<<locked>>
81%
44527
69%
**59
100%
Ramshot Hunter
<<locked>>
81%
43265
67%
**53
99%
[Ramshot Magnum]*
<<locked>>
81%
31009
48%
**87
92%
ReloadSwiss RS 14
<<locked>>
81%
28805
44%
**99
100%
ReloadSwiss RS 60
<<locked>>
81%
48109
74%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
45223
70%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
43279
67%
**05
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
28848
44%
**67
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
35955
55%
**67
90%
Rottweil R 903
<<locked>>
81%
52373
81%
**41
100%
[Rottweil R 904]*
<<locked>>
81%
39349
61%
**21
94%
Rottweil R 905
<<locked>>
81%
37246
57%
**21
95%
Rottweil R 907
<<locked>>
81%
48573
75%
**79
98%
SNPE Vectan SP 11
<<locked>>
81%
53708
83%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52591
81%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46296
71%
**03
99%
Shooters World Long Rifle
<<locked>>
81%
47297
73%
**59
99%
Somchem S355
<<locked>>
81%
52272
80%
**41
100%
[Somchem S361]*
<<locked>>
81%
39987
62%
**02
93%
Somchem S365
<<locked>>
81%
41205
63%
**23
100%
Somchem S385
<<locked>>
81%
37608
58%
**95
96%
Vihtavuori N135
<<locked>>
81%
50952
78%
**36
100%
Vihtavuori N150
<<locked>>
81%
44962
69%
**84
100%
Vihtavuori N160
<<locked>>
81%
47950
74%
**92
100%
[Vihtavuori N165]*
<<locked>>
81%
31531
49%
**41
93%
Vihtavuori N550
<<locked>>
81%
48457
75%
**35
100%
Vihtavuori N555
<<locked>>
81%
36158
56%
**18
99%
[Vihtavuori N560]*
<<locked>>
81%
33736
52%
**79
90%
[Vihtavuori N565]*
<<locked>>
85%
33185
51%
**52
90%
[Vihtavuori N568]*
<<locked>>
93%
37608
58%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44860
69%
**17
100%
Winchester 760
<<locked>>
81%
51169
79%
**97
99%
Winchester StaBALL HD
<<locked>>
81%
27267
42%
**39
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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