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Load data for 8.6 mm Blackout + .338 | 250gr | Hornady BTHP

Recommended Powder(s): Accurate 2460, Hodgdon H335, Lovex D073.5, ReloadSwiss RS 40, Winchester 748

8.6 mm Blackout + .338 | 250gr | Hornady BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Hornady BTHP
Manufacturer SKU:
33361
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.546" | 39.3mm
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:
0.448" | 11.4mm
Shank Seated Depth:
0.269" | 6.8mm
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B2754_C1210
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 158 loads in caliber 8.6 mm Blackout with .338 | 250gr | Hornady BTHP bullet and 79 powders such as Accurate 2460, Hodgdon H335, Lovex D073.5, ReloadSwiss RS 40, Winchester 748. 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. 17.6 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%
46920
74%
**16
97%
ADI AR 2207
<<locked>>
90%
55854
89%
**13
100%
[ADI AR 2208]*
<<locked>>
96%
39523
63%
**85
94%
ADI AR 2219
<<locked>>
92%
55463
88%
**01
100%
Accurate 2015
<<locked>>
97%
53098
84%
**33
100%
Accurate 2200
<<locked>>
96%
50908
81%
**19
96%
Accurate 2230
<<locked>>
95%
56072
89%
**85
99%
Accurate 2460 👍
<<locked>>
96%
56536
90%
**08
100%
Accurate 2495
<<locked>>
96%
44266
70%
**10
100%
Accurate 2520
<<locked>>
97%
47558
75%
**49
99%
Accurate 4064
<<locked>>
96%
36492
58%
**05
99%
Alliant AR-Comp
<<locked>>
96%
46833
74%
**26
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
37913
60%
**14
96%
Alliant Reloder-10x
<<locked>>
95%
55419
88%
**62
100%
Alliant Reloder-15
<<locked>>
97%
41292
65%
**57
95%
[Alliant Reloder-17]*
<<locked>>
97%
34214
54%
**69
92%
Alliant Reloder-7
<<locked>>
89%
56130
89%
**16
100%
Baschieri & Pellagri 106
<<locked>>
92%
55434
88%
**16
100%
Baschieri & Pellagri 107
<<locked>>
96%
46006
73%
**13
95%
Hodgdon BL-C2
<<locked>>
97%
48414
77%
**75
98%
Hodgdon Benchmark
<<locked>>
97%
53447
85%
**36
99%
Hodgdon CFE BLK
<<locked>>
89%
55521
88%
**23
99%
[Hodgdon CFE223]*
<<locked>>
97%
41191
65%
**67
93%
Hodgdon H322
<<locked>>
96%
51953
82%
**62
100%
Hodgdon H335 👍
<<locked>>
93%
55898
89%
**15
100%
[Hodgdon H380]*
<<locked>>
96%
38305
61%
**98
92%
Hodgdon H4198
<<locked>>
91%
55767
88%
**10
100%
[Hodgdon VARGET]*
<<locked>>
96%
39523
63%
**85
94%
IMR 3031
<<locked>>
97%
40886
65%
**73
100%
[IMR 4064]*
<<locked>>
97%
38769
61%
**72
94%
IMR 4198
<<locked>>
95%
56478
90%
**26
100%
IMR 4227
<<locked>>
84%
56086
89%
**60
100%
IMR 4895
<<locked>>
97%
41959
66%
**83
96%
IMR 8208 XBR
<<locked>>
97%
50067
79%
**33
99%
Lovex D073.4
<<locked>>
94%
55376
88%
**78
100%
Lovex D073.5 👍
<<locked>>
96%
55927
89%
**01
100%
Lovex D073.6
<<locked>>
97%
44614
71%
**13
99%
Lovex S053
<<locked>>
86%
56594
90%
**34
100%
Lovex S060
<<locked>>
96%
48617
77%
**70
97%
Lovex S062
<<locked>>
96%
40030
63%
**14
97%
Norma 200
<<locked>>
91%
56159
89%
**46
100%
Norma 201
<<locked>>
96%
45136
72%
**77
98%
Norma 202
<<locked>>
97%
46006
73%
**03
100%
Norma 203B
<<locked>>
97%
40248
64%
**47
95%
Ramshot Big Game
<<locked>>
97%
40727
65%
**54
95%
Ramshot TAC
<<locked>>
97%
51314
81%
**42
95%
Ramshot Wild Boar
<<locked>>
97%
48921
78%
**52
97%
Ramshot X-Terminator
<<locked>>
96%
54824
87%
**69
98%
ReloadSwiss RS 36
<<locked>>
84%
56217
89%
**93
100%
ReloadSwiss RS 40 👍
<<locked>>
96%
56507
90%
**05
100%
ReloadSwiss RS 52
<<locked>>
96%
38450
61%
**54
97%
[ReloadSwiss RS 60]*
<<locked>>
97%
33373
53%
**49
92%
Rottweil R 901
<<locked>>
97%
49734
79%
**16
100%
Rottweil R 902
<<locked>>
96%
42873
68%
**34
97%
[Rottweil R 903]*
<<locked>>
97%
34098
54%
**59
94%
SNPE Vectan BA6 1/2
<<locked>>
89%
56260
89%
**03
100%
SNPE Vectan SP 10
<<locked>>
93%
56376
89%
**15
100%
[SNPE Vectan SP 11]*
<<locked>>
96%
36956
59%
**98
94%
SNPE Vectan SP 7
<<locked>>
96%
47369
75%
**00
95%
SNPE Vectan SP 9
<<locked>>
96%
44933
71%
**90
96%
SNPE Vectan Tubal 3000
<<locked>>
97%
48776
77%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
39247
62%
**46
99%
Shooters World Match Rifle
<<locked>>
97%
44614
71%
**13
99%
Shooters World Precision
<<locked>>
96%
40030
63%
**14
97%
Shooters World Tactical Rifle
<<locked>>
93%
55796
88%
**62
99%
Somchem S321
<<locked>>
96%
53577
85%
**98
99%
Somchem S335
<<locked>>
96%
47036
75%
**54
100%
Somchem S341
<<locked>>
96%
46847
74%
**03
97%
[Somchem S355]*
<<locked>>
96%
35201
56%
**59
94%
Vihtavuori N120
<<locked>>
92%
55521
88%
**67
100%
Vihtavuori N130
<<locked>>
97%
54360
86%
**06
100%
Vihtavuori N133
<<locked>>
96%
44005
70%
**08
100%
Vihtavuori N135
<<locked>>
97%
33808
54%
**26
99%
Vihtavuori N140
<<locked>>
97%
42685
68%
**41
99%
[Vihtavuori N150]*
<<locked>>
97%
30443
48%
**54
94%
Vihtavuori N530
<<locked>>
97%
52910
84%
**78
99%
Vihtavuori N540
<<locked>>
96%
41814
66%
**54
99%
Winchester 748 👍
<<locked>>
96%
52272
83%
**15
99%
Winchester StaBALL Match
<<locked>>
96%
55317
88%
**38
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
28892
46%
**11
91%
ADI AR 2207
<<locked>>
81%
42859
68%
**69
100%
[ADI AR 2208]*
<<locked>>
88%
30719
49%
**27
90%
ADI AR 2219
<<locked>>
81%
38290
61%
**85
99%
Accurate 2015
<<locked>>
81%
32953
52%
**67
100%
[Accurate 2200]*
<<locked>>
83%
32822
52%
**44
90%
[Accurate 2230]*
<<locked>>
81%
33504
53%
**80
94%
Accurate 2460
<<locked>>
81%
33518
53%
**96
96%
Accurate 2495
<<locked>>
81%
26818
42%
**27
98%
Accurate 2520
<<locked>>
81%
27644
44%
**31
95%
[Accurate 4064]*
<<locked>>
81%
22626
36%
**26
94%
Alliant AR-Comp
<<locked>>
81%
28877
46%
**54
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
84%
25396
40%
**59
90%
Alliant Reloder-10x
<<locked>>
81%
36216
57%
**23
100%
[Alliant Reloder-15]*
<<locked>>
86%
29544
47%
**44
90%
[Alliant Reloder-17]*
<<locked>>
94%
30922
49%
**96
90%
Alliant Reloder-7
<<locked>>
81%
44585
71%
**85
100%
Baschieri & Pellagri 106
<<locked>>
81%
38537
61%
**09
99%
[Baschieri & Pellagri 107]*
<<locked>>
86%
32619
52%
**90
90%
[Hodgdon BL-C2]*
<<locked>>
81%
28326
45%
**41
92%
Hodgdon Benchmark
<<locked>>
81%
33344
53%
**41
95%
Hodgdon CFE BLK
<<locked>>
81%
43294
69%
**69
97%
[Hodgdon CFE223]*
<<locked>>
91%
33765
54%
**36
90%
Hodgdon H322
<<locked>>
81%
32169
51%
**80
98%
Hodgdon H335
<<locked>>
81%
37159
59%
**72
98%
[Hodgdon H380]*
<<locked>>
92%
33576
53%
**19
90%
Hodgdon H4198
<<locked>>
81%
42018
67%
**39
99%
[Hodgdon VARGET]*
<<locked>>
88%
30719
49%
**27
90%
IMR 3031
<<locked>>
81%
25309
40%
**78
96%
[IMR 4064]*
<<locked>>
87%
29138
46%
**91
90%
IMR 4198
<<locked>>
81%
38087
60%
**06
100%
IMR 4227
<<locked>>
81%
50372
80%
**01
100%
[IMR 4895]*
<<locked>>
83%
27905
44%
**21
90%
[IMR 8208 XBR]*
<<locked>>
81%
30748
49%
**31
94%
Lovex D073.4
<<locked>>
81%
35099
56%
**09
96%
Lovex D073.5
<<locked>>
81%
33040
52%
**90
96%
[Lovex D073.6]*
<<locked>>
81%
25918
41%
**91
94%
Lovex S053
<<locked>>
81%
49705
79%
**62
100%
[Lovex S060]*
<<locked>>
81%
30835
49%
**85
92%
[Lovex S062]*
<<locked>>
81%
25222
40%
**32
91%
Norma 200
<<locked>>
81%
41176
65%
**75
100%
[Norma 201]*
<<locked>>
81%
28369
45%
**85
93%
Norma 202
<<locked>>
81%
27847
44%
**01
96%
[Norma 203B]*
<<locked>>
85%
28268
45%
**24
91%
[Ramshot Big Game]*
<<locked>>
87%
30400
48%
**64
90%
[Ramshot TAC]*
<<locked>>
86%
36492
58%
**23
90%
[Ramshot Wild Boar]*
<<locked>>
81%
29631
47%
**34
91%
[Ramshot X-Terminator]*
<<locked>>
81%
33663
53%
**67
93%
ReloadSwiss RS 36
<<locked>>
81%
50647
80%
**34
100%
ReloadSwiss RS 40
<<locked>>
81%
34708
55%
**09
97%
[ReloadSwiss RS 52]*
<<locked>>
82%
24569
39%
**55
90%
[ReloadSwiss RS 60]*
<<locked>>
94%
30168
48%
**77
90%
Rottweil R 901
<<locked>>
81%
31589
50%
**34
97%
[Rottweil R 902]*
<<locked>>
81%
26876
43%
**49
92%
[Rottweil R 903]*
<<locked>>
88%
25570
41%
**81
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
45701
72%
**98
100%
SNPE Vectan SP 10
<<locked>>
81%
38682
61%
**85
99%
[SNPE Vectan SP 11]*
<<locked>>
90%
30284
48%
**64
90%
[SNPE Vectan SP 7]*
<<locked>>
87%
34447
55%
**06
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
27920
44%
**91
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
30269
48%
**75
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
24627
39%
**73
95%
[Shooters World Match Rifle]*
<<locked>>
81%
25918
41%
**91
94%
[Shooters World Precision]*
<<locked>>
81%
25222
40%
**32
91%
Shooters World Tactical Rifle
<<locked>>
81%
36869
58%
**09
95%
Somchem S321
<<locked>>
81%
32227
51%
**90
95%
Somchem S335
<<locked>>
81%
29733
47%
**85
97%
[Somchem S341]*
<<locked>>
82%
29196
46%
**04
90%
[Somchem S355]*
<<locked>>
87%
26556
42%
**85
90%
Vihtavuori N120
<<locked>>
81%
40335
64%
**00
100%
Vihtavuori N130
<<locked>>
81%
33866
54%
**44
100%
Vihtavuori N133
<<locked>>
81%
28152
45%
**49
98%
Vihtavuori N135
<<locked>>
81%
21625
34%
**57
95%
Vihtavuori N140
<<locked>>
81%
26078
41%
**45
95%
[Vihtavuori N150]*
<<locked>>
88%
23786
38%
**96
90%
[Vihtavuori N530]*
<<locked>>
81%
31908
51%
**64
94%
[Vihtavuori N540]*
<<locked>>
81%
25759
41%
**59
94%
Winchester 748
<<locked>>
81%
31241
50%
**90
95%
[Winchester StaBALL Match]*
<<locked>>
81%
33330
53%
**19
94%

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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