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Load data for 8.6 mm Blackout + .338 | 285gr | Hornady BTHP

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Recommended Powder(s): Accurate 2230, Accurate 2460, Somchem S321, Winchester 748, Winchester StaBALL Match

8.6 mm Blackout + .338 | 285gr | Hornady BTHP

Load Specifications

Bullet:
.338 | 285gr | Hornady BTHP
Manufacturer SKU:
3339
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.724" | 43.8mm
Caliber:
8.6 mm Blackout load data
Case Length (l3):
1.685" | 42.8mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.626" | 15.9mm
Shank Seated Depth:
0.447" | 11.3mm
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B2761_C1210
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 162 loads in caliber 8.6 mm Blackout with .338 | 285gr | Hornady BTHP bullet and 81 powders such as Accurate 2230, Accurate 2460, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 15.2 fps

  • .

    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 2206H
<<locked>>
97%
47834
76%
**46
98%
ADI AR 2207
<<locked>>
89%
55129
87%
**09
100%
ADI AR 2208
<<locked>>
97%
40756
65%
**34
95%
ADI AR 2219
<<locked>>
92%
56202
89%
**08
100%
Accurate 2015
<<locked>>
96%
53490
85%
**39
100%
Accurate 2200
<<locked>>
96%
51300
81%
**39
97%
Accurate 2230 👍
<<locked>>
95%
56637
90%
**98
99%
Accurate 2460 👍
<<locked>>
95%
55753
88%
**01
100%
Accurate 2495
<<locked>>
96%
44643
71%
**26
100%
Accurate 2520
<<locked>>
97%
48022
76%
**62
100%
Accurate 4064
<<locked>>
96%
36811
58%
**37
99%
Alliant AR-Comp
<<locked>>
96%
47442
75%
**39
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
38450
61%
**47
97%
Alliant Reloder-10x
<<locked>>
95%
55680
88%
**65
100%
Alliant Reloder-15
<<locked>>
97%
41756
66%
**90
96%
[Alliant Reloder-17]*
<<locked>>
97%
34214
54%
**08
94%
Alliant Reloder-7
<<locked>>
89%
56652
90%
**23
100%
Baschieri & Pellagri 106
<<locked>>
92%
55535
88%
**23
100%
Baschieri & Pellagri 107
<<locked>>
96%
46557
74%
**42
96%
Hodgdon BL-C2
<<locked>>
96%
48153
76%
**82
99%
Hodgdon Benchmark
<<locked>>
97%
54070
86%
**49
100%
Hodgdon CFE BLK
<<locked>>
89%
55796
88%
**36
99%
[Hodgdon CFE223]*
<<locked>>
96%
40741
65%
**86
94%
Hodgdon H322
<<locked>>
97%
53664
85%
**88
100%
Hodgdon H335
<<locked>>
93%
56246
89%
**21
100%
[Hodgdon H380]*
<<locked>>
97%
39885
63%
**54
94%
Hodgdon H4198
<<locked>>
90%
55405
88%
**13
100%
Hodgdon VARGET
<<locked>>
96%
39755
63%
**18
95%
IMR 3031
<<locked>>
97%
41307
65%
**96
100%
IMR 4064
<<locked>>
97%
39291
62%
**08
95%
IMR 4198
<<locked>>
94%
56159
89%
**26
100%
IMR 4227
<<locked>>
84%
56260
89%
**70
100%
IMR 4895
<<locked>>
97%
42859
68%
**16
97%
IMR 8208 XBR
<<locked>>
97%
50792
81%
**52
99%
Lovex D073.4
<<locked>>
94%
55201
87%
**82
100%
Lovex D073.5
<<locked>>
95%
55027
87%
**95
100%
Lovex D073.6
<<locked>>
96%
43903
70%
**19
99%
Lovex S053
<<locked>>
85%
55985
89%
**37
100%
Lovex S060
<<locked>>
96%
48762
77%
**90
98%
Lovex S062
<<locked>>
96%
40625
64%
**47
98%
Norma 200
<<locked>>
90%
55695
88%
**46
100%
Norma 201
<<locked>>
96%
45629
72%
**96
99%
Norma 202
<<locked>>
97%
46644
74%
**26
100%
Norma 203B
<<locked>>
97%
40901
65%
**83
97%
Ramshot Big Game
<<locked>>
96%
41046
65%
**86
96%
Ramshot TAC
<<locked>>
97%
52098
83%
**65
96%
Ramshot Wild Boar
<<locked>>
97%
49443
78%
**72
98%
Ramshot X-Terminator
<<locked>>
97%
56304
89%
**95
99%
ReloadSwiss RS 36
<<locked>>
84%
55970
89%
**96
100%
ReloadSwiss RS 40
<<locked>>
95%
55288
88%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
41278
65%
**37
92%
ReloadSwiss RS 52
<<locked>>
97%
39668
63%
**96
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
33533
53%
**95
94%
Rottweil R 901
<<locked>>
97%
50502
80%
**36
100%
Rottweil R 902
<<locked>>
96%
43047
68%
**60
98%
Rottweil R 903
<<locked>>
97%
34737
55%
**01
96%
SNPE Vectan BA6 1/2
<<locked>>
89%
56391
89%
**26
100%
SNPE Vectan SP 10
<<locked>>
92%
56333
89%
**18
100%
SNPE Vectan SP 11
<<locked>>
97%
37681
60%
**41
95%
SNPE Vectan SP 7
<<locked>>
96%
47877
76%
**23
96%
SNPE Vectan SP 9
<<locked>>
97%
46035
73%
**23
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
49400
78%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
39769
63%
**81
100%
Shooters World Match Rifle
<<locked>>
96%
43903
70%
**19
99%
Shooters World Precision
<<locked>>
96%
40625
64%
**47
98%
Shooters World Tactical Rifle
<<locked>>
93%
55796
88%
**69
99%
Somchem S321 👍
<<locked>>
96%
54230
86%
**11
100%
Somchem S335
<<locked>>
96%
47326
75%
**77
100%
Somchem S341
<<locked>>
96%
47442
75%
**29
98%
Somchem S355
<<locked>>
96%
35650
57%
**98
96%
Vihtavuori N120
<<locked>>
92%
56463
89%
**80
100%
Vihtavuori N130
<<locked>>
97%
54810
87%
**16
100%
Vihtavuori N133
<<locked>>
96%
44802
71%
**34
100%
Vihtavuori N135
<<locked>>
96%
34084
54%
**59
100%
Vihtavuori N140
<<locked>>
97%
43178
68%
**67
100%
Vihtavuori N150
<<locked>>
97%
30879
49%
**03
95%
Vihtavuori N530
<<locked>>
97%
54056
86%
**95
100%
Vihtavuori N540
<<locked>>
97%
42453
67%
**83
100%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
32532
52%
**03
93%
Winchester 748 👍
<<locked>>
96%
52939
84%
**24
100%
Winchester StaBALL Match 👍
<<locked>>
96%
56333
89%
**51
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
29559
47%
**70
92%
ADI AR 2207
<<locked>>
81%
43700
69%
**98
100%
[ADI AR 2208]*
<<locked>>
86%
29211
46%
**40
91%
ADI AR 2219
<<locked>>
81%
38290
61%
**08
100%
Accurate 2015
<<locked>>
81%
33533
53%
**06
100%
[Accurate 2200]*
<<locked>>
81%
31502
50%
**63
91%
Accurate 2230
<<locked>>
81%
34098
54%
**26
95%
Accurate 2460
<<locked>>
81%
34040
54%
**39
97%
Accurate 2495
<<locked>>
81%
27137
43%
**73
99%
Accurate 2520
<<locked>>
81%
28108
45%
**80
96%
Accurate 4064
<<locked>>
85%
26020
41%
**50
97%
Alliant AR-Comp
<<locked>>
81%
29269
46%
**96
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
86%
27485
44%
**54
93%
Alliant Reloder-10x
<<locked>>
81%
36985
59%
**59
100%
[Alliant Reloder-15]*
<<locked>>
83%
27383
43%
**47
90%
[Alliant Reloder-17]*
<<locked>>
91%
28413
45%
**90
90%
Alliant Reloder-7
<<locked>>
81%
45063
71%
**08
100%
Baschieri & Pellagri 106
<<locked>>
81%
39001
62%
**45
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
30269
48%
**86
90%
[Hodgdon BL-C2]*
<<locked>>
81%
28660
45%
**93
94%
Hodgdon Benchmark
<<locked>>
81%
33939
54%
**90
96%
Hodgdon CFE BLK
<<locked>>
81%
43526
69%
**98
98%
[Hodgdon CFE223]*
<<locked>>
88%
31169
49%
**26
90%
Hodgdon H322
<<locked>>
81%
32706
52%
**22
99%
Hodgdon H335
<<locked>>
81%
37594
60%
**11
99%
[Hodgdon H380]*
<<locked>>
89%
30545
48%
**03
90%
Hodgdon H4198
<<locked>>
81%
42656
68%
**72
100%
[Hodgdon VARGET]*
<<locked>>
86%
29211
46%
**40
91%
IMR 3031
<<locked>>
82%
26513
42%
**50
98%
[IMR 4064]*
<<locked>>
87%
29414
47%
**44
91%
IMR 4198
<<locked>>
81%
38189
61%
**36
100%
IMR 4227
<<locked>>
81%
51474
82%
**24
100%
[IMR 4895]*
<<locked>>
82%
27079
43%
**50
91%
IMR 8208 XBR
<<locked>>
81%
31430
50%
**86
95%
Lovex D073.4
<<locked>>
81%
35534
56%
**49
97%
Lovex D073.5
<<locked>>
81%
33460
53%
**29
97%
Lovex D073.6
<<locked>>
81%
26455
42%
**47
95%
Lovex S053
<<locked>>
81%
49951
79%
**81
100%
[Lovex S060]*
<<locked>>
82%
32169
51%
**54
93%
[Lovex S062]*
<<locked>>
85%
28732
46%
**54
94%
Norma 200
<<locked>>
81%
41524
66%
**01
100%
[Norma 201]*
<<locked>>
81%
28892
46%
**44
94%
Norma 202
<<locked>>
81%
28456
45%
**57
97%
[Norma 203B]*
<<locked>>
84%
27586
44%
**54
91%
[Ramshot Big Game]*
<<locked>>
84%
28253
45%
**63
90%
[Ramshot TAC]*
<<locked>>
83%
33721
53%
**13
90%
[Ramshot Wild Boar]*
<<locked>>
81%
29965
47%
**86
92%
[Ramshot X-Terminator]*
<<locked>>
81%
34418
55%
**16
94%
ReloadSwiss RS 36
<<locked>>
81%
51285
81%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
35143
56%
**49
98%
[ReloadSwiss RS 50]*
<<locked>>
93%
37043
59%
**75
90%
[ReloadSwiss RS 52]*
<<locked>>
83%
26005
41%
**47
93%
[ReloadSwiss RS 60]*
<<locked>>
91%
27731
44%
**70
90%
Rottweil R 901
<<locked>>
81%
32227
51%
**86
98%
[Rottweil R 902]*
<<locked>>
84%
29805
47%
**54
94%
[Rottweil R 903]*
<<locked>>
89%
26701
42%
**54
92%
SNPE Vectan BA6 1/2
<<locked>>
82%
47558
75%
**44
100%
SNPE Vectan SP 10
<<locked>>
81%
39131
62%
**21
99%
[SNPE Vectan SP 11]*
<<locked>>
86%
27354
43%
**50
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
31836
50%
**96
90%
[SNPE Vectan SP 9]*
<<locked>>
82%
28863
46%
**54
92%
SNPE Vectan Tubal 3000
<<locked>>
82%
31778
50%
**44
98%
SNPE Vectan Tubal 5000
<<locked>>
88%
30560
48%
**47
98%
Shooters World Match Rifle
<<locked>>
81%
26455
42%
**47
95%
[Shooters World Precision]*
<<locked>>
85%
28732
46%
**54
94%
Shooters World Tactical Rifle
<<locked>>
81%
37202
59%
**49
96%
Somchem S321
<<locked>>
81%
32706
52%
**32
96%
Somchem S335
<<locked>>
82%
30951
49%
**50
98%
[Somchem S341]*
<<locked>>
81%
28761
46%
**44
91%
[Somchem S355]*
<<locked>>
88%
27644
44%
**54
92%
Vihtavuori N120
<<locked>>
81%
40915
65%
**29
100%
Vihtavuori N130
<<locked>>
81%
34534
55%
**86
100%
Vihtavuori N133
<<locked>>
84%
31676
50%
**57
100%
Vihtavuori N135
<<locked>>
89%
27659
44%
**50
99%
Vihtavuori N140
<<locked>>
84%
29051
46%
**54
97%
[Vihtavuori N150]*
<<locked>>
94%
28456
45%
**57
94%
Vihtavuori N530
<<locked>>
81%
32576
52%
**16
96%
Vihtavuori N540
<<locked>>
83%
27934
44%
**54
96%
[Winchester 6.5 StaBALL]*
<<locked>>
93%
29240
46%
**40
91%
Winchester 748
<<locked>>
81%
31676
50%
**36
96%
Winchester StaBALL Match
<<locked>>
81%
33997
54%
**65
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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