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Load data for .280 Rem. + .284 | 170gr | Sierra RN Prohunter

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555

.280 Rem. + .284 | 170gr | Sierra RN Prohunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 170gr | Sierra RN Prohunter
Manufacturer SKU:
1950
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.225" | 31.1mm
Caliber:
.280 Rem. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.485" | 12.3mm
Shank Seated Depth:
0.485" | 12.3mm
Case Capacity:
67.9 Grains of Water | 4.41 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B5851_C289
Last updated:
2025-01-01

Load data for 134 loads in caliber .280 Rem. with .284 | 170gr | Sierra RN Prohunter bullet and 67 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70, Vihtavuori N555. 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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    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 2208
<<locked>>
84%
52373
89%
**85
100%
ADI AR 2209
<<locked>>
96%
52866
90%
**77
98%
ADI AR 2213
<<locked>>
97%
48849
83%
**38
96%
Accurate 2700
<<locked>>
85%
52446
89%
**46
99%
Accurate 3100
<<locked>>
97%
47181
80%
**56
99%
Accurate 4350
<<locked>>
90%
52562
89%
**51
100%
[Accurate MAGPRO]*
<<locked>>
97%
46137
79%
**21
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
52040
89%
**85
100%
Alliant Reloder-16
<<locked>>
92%
52257
89%
**84
100%
Alliant Reloder-17
<<locked>>
87%
52344
89%
**97
100%
Alliant Reloder-19
<<locked>>
96%
52127
89%
**67
98%
Alliant Reloder-22
<<locked>>
97%
47514
81%
**41
97%
Alliant Reloder-23
<<locked>>
96%
44425
76%
**79
100%
Alliant Reloder-25
<<locked>>
97%
38899
66%
**00
98%
Alliant Reloder-26 👍
<<locked>>
97%
50430
86%
**49
100%
Hodgdon H380
<<locked>>
83%
51996
89%
**02
100%
Hodgdon H414
<<locked>>
86%
52286
89%
**64
99%
Hodgdon H4350
<<locked>>
93%
52344
89%
**12
99%
[Hodgdon H4831]*
<<locked>>
97%
44570
76%
**13
94%
Hodgdon H4831 SC
<<locked>>
97%
51242
87%
**28
96%
Hodgdon Hybrid 100V
<<locked>>
94%
52750
90%
**25
100%
Hodgdon LVR
<<locked>>
88%
51851
88%
**38
100%
Hodgdon Superperformance
<<locked>>
89%
52112
89%
**00
99%
Hodgdon VARGET
<<locked>>
85%
52373
89%
**85
100%
IMR 4064
<<locked>>
85%
51822
88%
**59
100%
IMR 4166 Enduron
<<locked>>
86%
52663
90%
**69
99%
IMR 4350
<<locked>>
92%
52678
90%
**12
99%
IMR 4451 Enduron
<<locked>>
87%
52373
89%
**92
99%
IMR 4831
<<locked>>
96%
52591
90%
**41
100%
IMR 4955 Enduron
<<locked>>
97%
50778
86%
**85
96%
IMR 7828 SSC
<<locked>>
97%
49617
84%
**71
96%
Lovex S065
<<locked>>
88%
51967
88%
**85
100%
Lovex S070
<<locked>>
90%
52431
89%
**08
99%
Lovex S071
<<locked>>
97%
39769
68%
**25
98%
Norma 204
<<locked>>
91%
51967
88%
**41
98%
Norma MRP
<<locked>>
97%
49705
85%
**07
99%
Norma URP
<<locked>>
91%
52794
90%
**57
100%
Ramshot Hunter 👍
<<locked>>
92%
52721
90%
**74
100%
Ramshot Magnum
<<locked>>
97%
45905
78%
**92
97%
ReloadSwiss RS 50
<<locked>>
83%
52228
89%
**95
99%
ReloadSwiss RS 60
<<locked>>
88%
52489
89%
**20
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
52634
90%
**80
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
52663
90%
**30
100%
ReloadSwiss RS 76
<<locked>>
97%
38130
65%
**20
96%
Rottweil R 903
<<locked>>
86%
52402
89%
**92
100%
Rottweil R 904
<<locked>>
95%
52199
89%
**18
97%
Rottweil R 905
<<locked>>
97%
52649
90%
**77
98%
Rottweil R 907
<<locked>>
88%
52678
90%
**92
99%
SNPE Vectan SP 11
<<locked>>
84%
51866
88%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
51851
88%
**70
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
52069
89%
**49
99%
Shooters World Long Rifle
<<locked>>
88%
51967
88%
**85
100%
Somchem S355
<<locked>>
86%
52707
90%
**92
100%
Somchem S361
<<locked>>
94%
51938
88%
**82
96%
Somchem S365
<<locked>>
93%
52025
89%
**64
100%
Somchem S385
<<locked>>
96%
52794
90%
**44
99%
Vihtavuori N135
<<locked>>
87%
52678
90%
**10
100%
Vihtavuori N150
<<locked>>
91%
52533
89%
**56
100%
Vihtavuori N160
<<locked>>
88%
52011
89%
**05
100%
Vihtavuori N165
<<locked>>
97%
44527
76%
**07
97%
Vihtavuori N550
<<locked>>
88%
52199
89%
**48
100%
Vihtavuori N555 👍
<<locked>>
97%
50299
86%
**54
100%
Vihtavuori N560
<<locked>>
97%
47601
81%
**48
95%
[Vihtavuori N565]*
<<locked>>
97%
39972
68%
**00
93%
Winchester 6.5 StaBALL
<<locked>>
90%
52663
90%
**02
100%
Winchester 760
<<locked>>
86%
52286
89%
**64
99%
Winchester StaBALL HD
<<locked>>
97%
38638
66%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47036
80%
**93
100%
[ADI AR 2209]*
<<locked>>
81%
32518
55%
**74
91%
[ADI AR 2213]*
<<locked>>
87%
35244
60%
**56
90%
Accurate 2700
<<locked>>
81%
45687
78%
**38
97%
[Accurate 3100]*
<<locked>>
81%
27920
48%
**56
93%
Accurate 4350
<<locked>>
81%
38043
65%
**02
99%
[Accurate MAGPRO]*
<<locked>>
91%
38551
66%
**67
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
47572
81%
**23
100%
Alliant Reloder-16
<<locked>>
81%
37072
63%
**15
99%
Alliant Reloder-17
<<locked>>
81%
42032
72%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
32329
55%
**74
91%
[Alliant Reloder-22]*
<<locked>>
83%
29907
51%
**54
90%
Alliant Reloder-23
<<locked>>
81%
27253
46%
**92
97%
[Alliant Reloder-25]*
<<locked>>
82%
24845
42%
**10
90%
Alliant Reloder-26
<<locked>>
81%
28950
49%
**90
95%
Hodgdon H380
<<locked>>
81%
48298
82%
**46
100%
Hodgdon H414
<<locked>>
81%
43671
74%
**20
98%
Hodgdon H4350
<<locked>>
81%
36187
62%
**16
95%
[Hodgdon H4831]*
<<locked>>
89%
35389
60%
**29
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
35679
61%
**26
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34824
59%
**16
99%
Hodgdon LVR
<<locked>>
81%
40988
70%
**54
99%
Hodgdon Superperformance
<<locked>>
81%
39131
67%
**64
96%
Hodgdon VARGET
<<locked>>
81%
47036
80%
**93
100%
IMR 4064
<<locked>>
81%
46441
79%
**80
100%
IMR 4166 Enduron
<<locked>>
81%
45861
78%
**57
98%
IMR 4350
<<locked>>
81%
37840
64%
**49
95%
IMR 4451 Enduron
<<locked>>
81%
43990
75%
**51
98%
IMR 4831
<<locked>>
81%
33446
57%
**93
98%
[IMR 4955 Enduron]*
<<locked>>
84%
34505
59%
**70
90%
[IMR 7828 SSC]*
<<locked>>
86%
34519
59%
**56
90%
Lovex S065
<<locked>>
81%
41336
70%
**05
98%
Lovex S070
<<locked>>
81%
39407
67%
**85
97%
[Lovex S071]*
<<locked>>
81%
23888
41%
**41
90%
[Norma 204]*
<<locked>>
81%
37391
64%
**75
94%
[Norma MRP]*
<<locked>>
81%
29385
50%
**67
92%
Norma URP
<<locked>>
81%
38043
65%
**05
99%
Ramshot Hunter
<<locked>>
81%
36869
63%
**95
97%
[Ramshot Magnum]*
<<locked>>
85%
29385
50%
**24
90%
ReloadSwiss RS 50
<<locked>>
81%
48530
83%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
40785
69%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
37739
64%
**21
98%
ReloadSwiss RS 70
<<locked>>
81%
36825
63%
**31
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
29892
51%
**87
90%
Rottweil R 903
<<locked>>
81%
45252
77%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
33881
58%
**64
91%
[Rottweil R 905]*
<<locked>>
81%
31343
53%
**54
91%
Rottweil R 907
<<locked>>
81%
42467
72%
**21
97%
SNPE Vectan SP 11
<<locked>>
81%
46601
79%
**39
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46601
79%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40611
69%
**52
97%
Shooters World Long Rifle
<<locked>>
81%
41336
70%
**05
98%
Somchem S355
<<locked>>
81%
45701
78%
**84
100%
[Somchem S361]*
<<locked>>
82%
34896
59%
**70
90%
Somchem S365
<<locked>>
81%
34040
58%
**59
100%
[Somchem S385]*
<<locked>>
81%
31836
54%
**51
93%
Vihtavuori N135
<<locked>>
81%
44527
76%
**98
100%
Vihtavuori N150
<<locked>>
81%
39262
67%
**49
100%
Vihtavuori N160
<<locked>>
81%
40973
70%
**28
99%
[Vihtavuori N165]*
<<locked>>
83%
28282
48%
**46
90%
Vihtavuori N550
<<locked>>
81%
41321
70%
**61
99%
Vihtavuori N555
<<locked>>
81%
29776
51%
**60
97%
[Vihtavuori N560]*
<<locked>>
87%
35114
60%
**85
90%
[Vihtavuori N565]*
<<locked>>
92%
33750
57%
**62
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38406
65%
**72
100%
Winchester 760
<<locked>>
81%
43671
74%
**20
98%
Winchester StaBALL HD
<<locked>>
81%
24120
41%
**59
95%

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.

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