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Load data for 6mm-284 + .243 | 105gr | Remington SP Extended-Range

Recommended Powder(s): Bofors RP15, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560, Winchester StaBALL HD

6mm-284 + .243 | 105gr | Remington SP Extended-Range

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 105gr | Remington SP Extended-Range
Bullet Weight:
105gr | 6.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.000" | 25.4mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.130" | -3.3mm
Shank Seated Depth:
-0.130" | -3.3mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B5138_C958
Last updated:
2025-12-16

Load data for 98 loads in caliber 6mm-284 with .243 | 105gr | Remington SP Extended-Range bullet and 49 powders such as Bofors RP15, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560, Winchester StaBALL HD. 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>>
86%
55274
89%
**07
100%
ADI AR 2213
<<locked>>
88%
55013
89%
**36
99%
ADI AR 2217
<<locked>>
97%
53809
87%
**07
99%
[ADI AR 2218]*
<<locked>>
97%
47210
76%
**54
94%
ADI AR 2225
<<locked>>
97%
49429
80%
**84
100%
Accurate 3100
<<locked>>
88%
55535
89%
**38
100%
Accurate MAGPRO
<<locked>>
89%
55361
89%
**46
98%
Alliant Reloder-19
<<locked>>
86%
55796
90%
**10
100%
Alliant Reloder-22
<<locked>>
88%
55622
90%
**36
100%
Alliant Reloder-23
<<locked>>
90%
55738
90%
**84
100%
Alliant Reloder-25
<<locked>>
94%
55825
90%
**53
100%
Alliant Reloder-26
<<locked>>
85%
55738
90%
**59
100%
Alliant Reloder-33
<<locked>>
97%
52040
84%
**20
96%
[Alliant Reloder-50]*
<<locked>>
97%
44324
71%
**59
92%
Bofors RP15 👍
<<locked>>
91%
55492
89%
**33
100%
Bofors RP30
<<locked>>
95%
55201
89%
**53
99%
Bofors RP5
<<locked>>
88%
55622
90%
**36
100%
Hodgdon H1000
<<locked>>
97%
53809
87%
**07
99%
Hodgdon H4350
<<locked>>
84%
55593
90%
**58
100%
Hodgdon H4831
<<locked>>
91%
55361
89%
**84
98%
Hodgdon H4831 SC
<<locked>>
88%
55361
89%
**84
98%
Hodgdon Hybrid 100V
<<locked>>
83%
55419
89%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
49429
80%
**84
100%
Hodgdon TrailBoss
<<locked>>
97%
35926
58%
**69
100%
IMR 4831
<<locked>>
85%
55738
90%
**54
100%
IMR 4955 Enduron
<<locked>>
89%
55680
90%
**58
99%
IMR 7828 SSC
<<locked>>
87%
54781
88%
**36
99%
[IMR 7977 Enduron]*
<<locked>>
94%
55695
90%
**12
93%
IMR 8133 Enduron
<<locked>>
97%
45237
73%
**79
97%
Lovex S071
<<locked>>
94%
55811
90%
**51
100%
Norma 217
<<locked>>
97%
45672
74%
**02
99%
Norma MRP
<<locked>>
86%
55230
89%
**50
100%
Ramshot Grand 👍
<<locked>>
86%
55709
90%
**66
99%
Ramshot Magnum
<<locked>>
89%
55172
89%
**07
100%
ReloadSwiss RS 14
<<locked>>
96%
36608
59%
**14
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
55405
89%
**19
100%
ReloadSwiss RS 80
<<locked>>
96%
55767
90%
**79
98%
Rottweil R 904
<<locked>>
85%
55201
89%
**61
99%
Rottweil R 905
<<locked>>
86%
55448
89%
**04
100%
Somchem S361
<<locked>>
85%
55419
89%
**31
99%
Somchem S385
<<locked>>
86%
55100
89%
**61
100%
Vihtavuori N165
<<locked>>
91%
55216
89%
**48
100%
[Vihtavuori N170]*
<<locked>>
97%
50198
81%
**66
93%
Vihtavuori N555
<<locked>>
87%
55738
90%
**77
100%
Vihtavuori N560 👍
<<locked>>
88%
55767
90%
**66
99%
Vihtavuori N565
<<locked>>
92%
55376
89%
**36
99%
Vihtavuori N568
<<locked>>
96%
55695
90%
**76
98%
Vihtavuori N570
<<locked>>
97%
55114
89%
**96
96%
Winchester StaBALL HD 👍
<<locked>>
90%
55811
90%
**73
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47268
76%
**59
98%
ADI AR 2213
<<locked>>
81%
42424
68%
**81
96%
[ADI AR 2217]*
<<locked>>
81%
31459
51%
**89
91%
[ADI AR 2218]*
<<locked>>
93%
40959
66%
**97
90%
[ADI AR 2225]*
<<locked>>
81%
28776
46%
**39
93%
Accurate 3100
<<locked>>
81%
43105
69%
**22
99%
[Accurate MAGPRO]*
<<locked>>
81%
42322
68%
**81
94%
Alliant Reloder-19
<<locked>>
81%
47181
76%
**43
98%
Alliant Reloder-22
<<locked>>
81%
43047
69%
**90
98%
Alliant Reloder-23
<<locked>>
81%
41872
67%
**41
100%
Alliant Reloder-25
<<locked>>
81%
35897
58%
**49
99%
Alliant Reloder-26
<<locked>>
81%
47195
76%
**12
100%
[Alliant Reloder-33]*
<<locked>>
89%
38769
62%
**35
90%
[Alliant Reloder-50]*
<<locked>>
94%
40190
65%
**51
90%
Bofors RP15
<<locked>>
81%
39987
64%
**15
96%
[Bofors RP30]*
<<locked>>
81%
33518
54%
**67
93%
Bofors RP5
<<locked>>
81%
43047
69%
**90
98%
[Hodgdon H1000]*
<<locked>>
81%
31459
51%
**89
91%
Hodgdon H4350
<<locked>>
81%
50749
82%
**63
100%
[Hodgdon H4831]*
<<locked>>
81%
39610
64%
**69
94%
Hodgdon H4831 SC
<<locked>>
81%
44440
72%
**71
96%
Hodgdon Hybrid 100V
<<locked>>
81%
51169
82%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28776
46%
**39
93%
Hodgdon TrailBoss
<<locked>>
81%
28790
46%
**11
100%
IMR 4831
<<locked>>
81%
48515
78%
**27
100%
IMR 4955 Enduron
<<locked>>
81%
43772
71%
**31
96%
IMR 7828 SSC
<<locked>>
81%
43714
70%
**20
97%
[IMR 7977 Enduron]*
<<locked>>
89%
47065
76%
**48
90%
[IMR 8133 Enduron]*
<<locked>>
85%
30023
48%
**75
90%
Lovex S071
<<locked>>
81%
36883
59%
**77
98%
[Norma 217]*
<<locked>>
81%
26339
42%
**70
90%
Norma MRP
<<locked>>
81%
45643
74%
**72
99%
Ramshot Grand
<<locked>>
81%
46151
74%
**86
98%
Ramshot Magnum
<<locked>>
81%
40785
66%
**25
98%
ReloadSwiss RS 14
<<locked>>
81%
29457
47%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
34389
55%
**43
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
33388
54%
**87
90%
Rottweil R 904
<<locked>>
81%
48008
77%
**27
98%
Rottweil R 905
<<locked>>
81%
46543
75%
**27
98%
Somchem S361
<<locked>>
81%
49298
79%
**20
97%
Somchem S385
<<locked>>
81%
47340
76%
**20
99%
Vihtavuori N165
<<locked>>
81%
39827
64%
**46
97%
[Vihtavuori N170]*
<<locked>>
91%
41829
67%
**92
90%
Vihtavuori N555
<<locked>>
81%
46282
75%
**13
100%
Vihtavuori N560
<<locked>>
81%
43395
70%
**13
96%
[Vihtavuori N565]*
<<locked>>
81%
37405
60%
**53
94%
[Vihtavuori N568]*
<<locked>>
82%
34258
55%
**00
90%
[Vihtavuori N570]*
<<locked>>
88%
39769
64%
**74
90%
Winchester StaBALL HD
<<locked>>
81%
39320
63%
**87
100%

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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