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Load data for 8.6 mm Blackout + .338 | 280gr | Discreet Ballistics Selous Machined Expander

Recommended Powder(s): Hodgdon BL-C2, Ramshot Wild Boar, Somchem S321, Winchester 748, Winchester StaBALL Match

8.6 mm Blackout + .338 | 280gr | Discreet Ballistics Selous Machined Expander

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 280gr | Discreet Ballistics Selous Machined Expander
Bullet Weight:
280gr | 18.1g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
8.6 mm Blackout load data
Case Length (l3):
1.685" | 42.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B12303_C1210
Last updated:
2026-03-21
Recommended Twist Rate:
1:13 - 1:11

Load data for 186 loads in caliber 8.6 mm Blackout with .338 | 280gr | Discreet Ballistics Selous Machined Expander bullet and 93 powders such as Hodgdon BL-C2, Ramshot Wild Boar, Somchem S321, Winchester 748, Winchester StaBALL Match. 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".

  • No data yet

  • 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 2206H
<<locked>>
97%
52678
84%
**77
99%
ADI AR 2207
<<locked>>
86%
56202
89%
**85
100%
ADI AR 2208
<<locked>>
96%
44150
70%
**55
97%
ADI AR 2219
<<locked>>
90%
56782
90%
**90
100%
ADI Benchmark 8208
<<locked>>
97%
55941
89%
**83
100%
Accurate 2015
<<locked>>
95%
55999
89%
**34
100%
Accurate 2200
<<locked>>
96%
56681
90%
**80
98%
Accurate 2230
<<locked>>
92%
56623
90%
**77
100%
Accurate 2460
<<locked>>
93%
55927
89%
**80
100%
Accurate 2495
<<locked>>
97%
51924
82%
**67
100%
Accurate 2520
<<locked>>
96%
53519
85%
**93
100%
Accurate 4064
<<locked>>
97%
42743
68%
**78
100%
[Accurate 4350]*
<<locked>>
97%
30734
49%
**34
92%
Alliant AR-Comp
<<locked>>
97%
54404
86%
**70
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
48428
77%
**03
98%
Alliant Reloder- TS 15.5
<<locked>>
97%
42612
68%
**72
98%
Alliant Reloder-10x
<<locked>>
92%
56594
90%
**44
100%
Alliant Reloder-15
<<locked>>
97%
46760
74%
**28
98%
[Alliant Reloder-16]*
<<locked>>
97%
33968
54%
**50
92%
Alliant Reloder-17
<<locked>>
96%
37623
60%
**49
96%
Alliant Reloder-7
<<locked>>
85%
55361
88%
**82
100%
Baschieri & Pellagri 106
<<locked>>
89%
55767
88%
**98
100%
Baschieri & Pellagri 107
<<locked>>
96%
51416
81%
**80
98%
Bofors RP3
<<locked>>
96%
41713
66%
**75
98%
Hodgdon BL-C2 👍
<<locked>>
97%
54940
87%
**33
100%
Hodgdon Benchmark
<<locked>>
95%
56463
89%
**51
100%
Hodgdon CFE223
<<locked>>
97%
45585
72%
**37
97%
Hodgdon H322
<<locked>>
95%
56782
90%
**90
100%
Hodgdon H335
<<locked>>
90%
56724
90%
**00
100%
Hodgdon H380
<<locked>>
96%
43555
69%
**72
96%
Hodgdon H4198
<<locked>>
88%
56246
89%
**95
100%
Hodgdon H4895
<<locked>>
97%
52982
84%
**87
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
30864
49%
**78
94%
[Hodgdon LVR]*
<<locked>>
97%
36550
58%
**90
93%
Hodgdon VARGET
<<locked>>
97%
44614
71%
**62
97%
IMR 3031
<<locked>>
97%
46267
73%
**24
100%
IMR 4064
<<locked>>
97%
43250
69%
**39
97%
[IMR 4166 Enduron]*
<<locked>>
96%
43816
69%
**03
93%
IMR 4198
<<locked>>
91%
55782
88%
**95
100%
[IMR 4451 Enduron]*
<<locked>>
97%
41365
66%
**00
92%
IMR 4895
<<locked>>
97%
47616
75%
**51
99%
IMR 8208 XBR
<<locked>>
97%
55941
89%
**83
100%
Lovex D073.4
<<locked>>
91%
55927
89%
**64
100%
Lovex D073.5
<<locked>>
92%
55317
88%
**73
100%
Lovex D073.6
<<locked>>
97%
51111
81%
**67
100%
Lovex S060
<<locked>>
97%
54331
86%
**28
99%
Lovex S062
<<locked>>
97%
46093
73%
**88
99%
[Lovex S065]*
<<locked>>
97%
37275
59%
**57
93%
Norma 200
<<locked>>
88%
55840
89%
**14
100%
Norma 201
<<locked>>
97%
51401
81%
**37
100%
Norma 202
<<locked>>
97%
51416
82%
**47
100%
Norma 203B
<<locked>>
97%
45701
72%
**18
98%
[Norma URP]*
<<locked>>
97%
32677
52%
**37
92%
Ramshot Big Game
<<locked>>
97%
45614
72%
**28
98%
Ramshot TAC
<<locked>>
96%
55738
88%
**87
97%
Ramshot Wild Boar 👍
<<locked>>
97%
55492
88%
**16
99%
Ramshot X-Terminator
<<locked>>
93%
55259
88%
**64
99%
ReloadSwiss RS 40
<<locked>>
93%
56246
89%
**80
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
45730
72%
**72
94%
ReloadSwiss RS 52
<<locked>>
97%
48863
77%
**06
98%
ReloadSwiss RS 60
<<locked>>
96%
40335
64%
**05
99%
Rottweil R 901
<<locked>>
97%
55796
88%
**64
100%
Rottweil R 902
<<locked>>
97%
48689
77%
**98
99%
Rottweil R 903
<<locked>>
97%
38856
62%
**29
98%
SNPE Vectan BA6 1/2
<<locked>>
86%
55941
89%
**85
100%
SNPE Vectan SP 10
<<locked>>
89%
56391
89%
**93
100%
SNPE Vectan SP 11
<<locked>>
97%
41626
66%
**78
97%
SNPE Vectan SP 7
<<locked>>
97%
54795
87%
**80
98%
SNPE Vectan SP 9
<<locked>>
97%
50952
81%
**57
99%
SNPE Vectan Tubal 3000
<<locked>>
97%
54418
86%
**98
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
44005
70%
**03
100%
[Shooters World Long Rifle]*
<<locked>>
97%
37275
59%
**57
93%
Shooters World Match Rifle
<<locked>>
97%
51111
81%
**67
100%
Shooters World Precision
<<locked>>
97%
46093
73%
**88
99%
Shooters World Tactical Rifle
<<locked>>
90%
56072
89%
**54
100%
Somchem S321 👍
<<locked>>
94%
55854
89%
**06
100%
Somchem S335
<<locked>>
97%
52910
84%
**01
100%
Somchem S341
<<locked>>
96%
52634
83%
**64
99%
Somchem S355
<<locked>>
97%
40654
64%
**42
98%
Somchem S365
<<locked>>
96%
29008
46%
**95
95%
Vihtavuori N120
<<locked>>
89%
56318
89%
**46
100%
Vihtavuori N130
<<locked>>
94%
55695
88%
**98
100%
Vihtavuori N133
<<locked>>
96%
49400
78%
**49
100%
Vihtavuori N135
<<locked>>
96%
38203
61%
**80
100%
Vihtavuori N140
<<locked>>
97%
48269
77%
**95
100%
Vihtavuori N150
<<locked>>
96%
34098
54%
**21
97%
[Vihtavuori N160]*
<<locked>>
96%
36129
57%
**64
93%
Vihtavuori N530
<<locked>>
95%
56391
89%
**96
100%
Vihtavuori N540
<<locked>>
96%
47224
75%
**11
100%
[Vihtavuori N550]*
<<locked>>
96%
35346
56%
**93
94%
Winchester 6.5 StaBALL
<<locked>>
96%
35665
57%
**34
95%
Winchester 748 👍
<<locked>>
95%
56144
89%
**36
100%
Winchester StaBALL Match 👍
<<locked>>
93%
56507
90%
**29
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
32663
52%
**88
95%
ADI AR 2207
<<locked>>
81%
48080
76%
**06
100%
[ADI AR 2208]*
<<locked>>
81%
28036
44%
**80
91%
ADI AR 2219
<<locked>>
81%
42438
67%
**29
100%
ADI Benchmark 8208
<<locked>>
81%
34606
55%
**04
97%
Accurate 2015
<<locked>>
81%
37072
59%
**14
100%
[Accurate 2200]*
<<locked>>
81%
34795
55%
**88
93%
Accurate 2230
<<locked>>
81%
38116
60%
**57
97%
Accurate 2460
<<locked>>
81%
38087
60%
**64
99%
Accurate 2495
<<locked>>
81%
30748
49%
**91
100%
Accurate 2520
<<locked>>
81%
31618
50%
**04
98%
Accurate 4064
<<locked>>
81%
25904
41%
**99
97%
[Accurate 4350]*
<<locked>>
93%
27108
43%
**55
90%
Alliant AR-Comp
<<locked>>
81%
32416
51%
**11
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
29559
47%
**72
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
26295
42%
**90
93%
Alliant Reloder-10x
<<locked>>
81%
40379
64%
**64
100%
[Alliant Reloder-15]*
<<locked>>
81%
28718
46%
**36
92%
[Alliant Reloder-16]*
<<locked>>
93%
30110
48%
**68
90%
[Alliant Reloder-17]*
<<locked>>
85%
26179
41%
**06
90%
Alliant Reloder-7
<<locked>>
81%
48776
77%
**13
100%
Baschieri & Pellagri 106
<<locked>>
81%
42830
68%
**57
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
31546
50%
**78
92%
[Bofors RP3]*
<<locked>>
81%
25092
40%
**83
93%
Hodgdon BL-C2
<<locked>>
81%
31894
51%
**18
96%
Hodgdon Benchmark
<<locked>>
81%
36985
59%
**04
98%
[Hodgdon CFE223]*
<<locked>>
82%
28616
45%
**45
90%
Hodgdon H322
<<locked>>
81%
36274
58%
**41
100%
Hodgdon H335
<<locked>>
81%
41669
66%
**29
100%
[Hodgdon H380]*
<<locked>>
83%
28790
46%
**29
90%
Hodgdon H4198
<<locked>>
81%
45716
72%
**80
100%
Hodgdon H4895
<<locked>>
81%
32750
52%
**98
96%
[Hodgdon Hybrid 100V]*
<<locked>>
90%
25353
40%
**57
90%
[Hodgdon LVR]*
<<locked>>
91%
30705
49%
**81
90%
[Hodgdon VARGET]*
<<locked>>
81%
27789
44%
**77
91%
IMR 3031
<<locked>>
81%
28790
46%
**55
99%
[IMR 4064]*
<<locked>>
81%
27311
43%
**67
91%
[IMR 4166 Enduron]*
<<locked>>
90%
36840
58%
**98
90%
IMR 4198
<<locked>>
81%
41858
66%
**44
100%
[IMR 4451 Enduron]*
<<locked>>
92%
36767
58%
**27
90%
[IMR 4895]*
<<locked>>
81%
29341
47%
**55
93%
IMR 8208 XBR
<<locked>>
81%
34606
55%
**04
97%
Lovex D073.4
<<locked>>
81%
39566
63%
**77
99%
Lovex D073.5
<<locked>>
81%
37579
60%
**57
98%
Lovex D073.6
<<locked>>
81%
29936
47%
**72
97%
Lovex S060
<<locked>>
81%
33779
54%
**49
95%
Lovex S062
<<locked>>
81%
28224
45%
**06
95%
[Lovex S065]*
<<locked>>
91%
31372
50%
**55
90%
Norma 200
<<locked>>
81%
45571
72%
**09
100%
Norma 201
<<locked>>
81%
31691
50%
**55
96%
Norma 202
<<locked>>
81%
31444
50%
**68
98%
[Norma 203B]*
<<locked>>
81%
28007
44%
**26
93%
[Norma URP]*
<<locked>>
92%
28993
46%
**62
90%
[Ramshot Big Game]*
<<locked>>
81%
28050
44%
**26
92%
[Ramshot TAC]*
<<locked>>
81%
34258
54%
**91
92%
Ramshot Wild Boar
<<locked>>
81%
32837
52%
**04
95%
Ramshot X-Terminator
<<locked>>
81%
37391
59%
**34
96%
ReloadSwiss RS 40
<<locked>>
81%
38392
61%
**64
99%
[ReloadSwiss RS 50]*
<<locked>>
87%
33953
54%
**98
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
29240
46%
**81
92%
[ReloadSwiss RS 60]*
<<locked>>
81%
24831
39%
**80
92%
Rottweil R 901
<<locked>>
81%
35418
56%
**01
99%
Rottweil R 902
<<locked>>
81%
30052
48%
**19
95%
[Rottweil R 903]*
<<locked>>
81%
23482
37%
**37
91%
SNPE Vectan BA6 1/2
<<locked>>
81%
49342
78%
**22
100%
SNPE Vectan SP 10
<<locked>>
81%
42786
68%
**39
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
25686
41%
**77
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
31879
51%
**62
92%
[SNPE Vectan SP 9]*
<<locked>>
81%
30951
49%
**59
94%
SNPE Vectan Tubal 3000
<<locked>>
81%
33852
54%
**39
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
27514
44%
**47
98%
[Shooters World Long Rifle]*
<<locked>>
91%
31372
50%
**55
90%
Shooters World Match Rifle
<<locked>>
81%
29936
47%
**72
97%
Shooters World Precision
<<locked>>
81%
28224
45%
**06
95%
Shooters World Tactical Rifle
<<locked>>
81%
41060
65%
**73
98%
Somchem S321
<<locked>>
81%
36260
57%
**57
98%
Somchem S335
<<locked>>
81%
32895
52%
**42
99%
[Somchem S341]*
<<locked>>
81%
31937
51%
**72
94%
[Somchem S355]*
<<locked>>
81%
24889
39%
**54
92%
[Somchem S365]*
<<locked>>
89%
23337
37%
**54
90%
Vihtavuori N120
<<locked>>
81%
44672
71%
**31
100%
Vihtavuori N130
<<locked>>
81%
37869
60%
**95
100%
Vihtavuori N133
<<locked>>
81%
31662
50%
**16
100%
Vihtavuori N135
<<locked>>
81%
24323
39%
**34
98%
Vihtavuori N140
<<locked>>
81%
29472
47%
**22
98%
[Vihtavuori N150]*
<<locked>>
81%
21451
34%
**52
91%
[Vihtavuori N160]*
<<locked>>
90%
29573
47%
**45
90%
Vihtavuori N530
<<locked>>
81%
36056
57%
**37
97%
Vihtavuori N540
<<locked>>
81%
29109
46%
**36
98%
[Vihtavuori N550]*
<<locked>>
89%
28442
45%
**59
90%
[Winchester 6.5 StaBALL]*
<<locked>>
86%
25599
41%
**34
90%
Winchester 748
<<locked>>
81%
35302
56%
**67
98%
Winchester StaBALL Match
<<locked>>
81%
37565
60%
**93
97%

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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