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Load data for 8.6 mm Blackout + .338 | 185gr | Hornady GMX

Recommended Powder(s): ADI AR 2219, Alliant Reloder-10x, Baschieri & Pellagri 106, Hodgdon H4198, SNPE Vectan SP 10

8.6 mm Blackout + .338 | 185gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Hornady GMX
Manufacturer SKU:
33270
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.380" | 35.1mm
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:
0.282" | 7.2mm
Shank Seated Depth:
0.142" | 3.6mm
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B2744_C1210
Last updated:
2025-02-02
Recommended Twist Rate:
1:13 - 1:11

Load data for 114 loads in caliber 8.6 mm Blackout with .338 | 185gr | Hornady GMX bullet and 57 powders such as ADI AR 2219, Alliant Reloder-10x, Baschieri & Pellagri 106, Hodgdon H4198, SNPE Vectan SP 10. 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 2205
<<locked>>
83%
56144
89%
**69
100%
ADI AR 2207
<<locked>>
95%
55463
88%
**33
100%
ADI AR 2219 👍
<<locked>>
97%
53432
85%
**82
99%
Accurate 1680
<<locked>>
87%
56623
90%
**36
100%
Accurate 2015
<<locked>>
97%
44411
70%
**18
100%
[Accurate 2230]*
<<locked>>
96%
47964
76%
**61
94%
Accurate 2460
<<locked>>
97%
46833
74%
**70
96%
Accurate 2495
<<locked>>
97%
35244
56%
**59
98%
Accurate 2520
<<locked>>
97%
38276
61%
**85
95%
[Accurate 4064]*
<<locked>>
97%
29109
46%
**15
93%
Alliant AR-Comp
<<locked>>
97%
39160
62%
**08
100%
Alliant Reloder-10x 👍
<<locked>>
96%
48588
77%
**90
100%
Alliant Reloder-7
<<locked>>
94%
55738
88%
**20
100%
Baschieri & Pellagri 106 👍
<<locked>>
97%
54157
86%
**87
100%
[Hodgdon BL-C2]*
<<locked>>
97%
39900
63%
**05
93%
Hodgdon Benchmark
<<locked>>
96%
44904
71%
**88
95%
Hodgdon CFE BLK
<<locked>>
94%
56753
90%
**13
97%
Hodgdon H322
<<locked>>
97%
44034
70%
**44
98%
Hodgdon H335
<<locked>>
97%
53359
85%
**85
99%
Hodgdon H4198 👍
<<locked>>
96%
56405
89%
**07
99%
IMR 3031
<<locked>>
97%
33605
53%
**03
96%
IMR 4198
<<locked>>
96%
50531
80%
**70
100%
IMR 4227
<<locked>>
89%
56173
89%
**70
100%
[IMR 8208 XBR]*
<<locked>>
96%
41466
66%
**72
93%
Lovex D060
<<locked>>
84%
56594
90%
**16
100%
Lovex D073.4
<<locked>>
97%
50212
80%
**00
97%
Lovex D073.5
<<locked>>
97%
46441
74%
**64
96%
[Lovex D073.6]*
<<locked>>
96%
35201
56%
**20
94%
Lovex S053
<<locked>>
91%
56492
90%
**44
100%
[Lovex S060]*
<<locked>>
97%
41989
67%
**23
92%
Norma 200
<<locked>>
97%
55303
88%
**62
100%
[Norma 201]*
<<locked>>
97%
37869
60%
**13
92%
Norma 202
<<locked>>
96%
37260
59%
**36
95%
[Ramshot X-Terminator]*
<<locked>>
97%
46847
74%
**31
93%
ReloadSwiss RS 36
<<locked>>
90%
56579
90%
**16
100%
ReloadSwiss RS 40
<<locked>>
97%
47979
76%
**87
97%
Rottweil R 901
<<locked>>
96%
41394
66%
**69
96%
[Rottweil R 902]*
<<locked>>
97%
35984
57%
**70
92%
SNPE Vectan BA6 1/2
<<locked>>
94%
55898
89%
**93
100%
SNPE Vectan SP 10 👍
<<locked>>
97%
53809
85%
**89
99%
SNPE Vectan Tubal 3000
<<locked>>
96%
41191
65%
**10
96%
SNPE Vectan Tubal 5000
<<locked>>
96%
32982
52%
**72
95%
Shooters World Buffalo Rifle
<<locked>>
84%
56594
90%
**16
100%
[Shooters World Match Rifle]*
<<locked>>
96%
35201
56%
**20
94%
Shooters World Tactical Rifle
<<locked>>
97%
52982
84%
**03
96%
Somchem S321
<<locked>>
97%
44991
71%
**61
95%
Somchem S335
<<locked>>
97%
39871
63%
**13
97%
Vihtavuori N110
<<locked>>
85%
56028
89%
**62
100%
Vihtavuori N120
<<locked>>
97%
54636
87%
**74
100%
Vihtavuori N130
<<locked>>
97%
45672
72%
**95
100%
Vihtavuori N133
<<locked>>
97%
37565
60%
**74
98%
[Vihtavuori N135]*
<<locked>>
96%
27702
44%
**26
94%
Vihtavuori N140
<<locked>>
96%
35012
55%
**64
95%
Vihtavuori N530
<<locked>>
97%
44860
71%
**44
95%
[Vihtavuori N540]*
<<locked>>
97%
35346
56%
**90
94%
Winchester 748
<<locked>>
97%
43976
70%
**64
95%
[Winchester StaBALL Match]*
<<locked>>
96%
47529
75%
**03
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
52098
83%
**26
100%
ADI AR 2207
<<locked>>
81%
36434
58%
**64
100%
ADI AR 2219
<<locked>>
81%
32242
51%
**15
95%
Accurate 1680
<<locked>>
81%
46804
74%
**98
99%
Accurate 2015
<<locked>>
81%
27006
43%
**80
95%
[Accurate 2230]*
<<locked>>
88%
35404
56%
**47
90%
[Accurate 2460]*
<<locked>>
84%
30458
48%
**69
90%
[Accurate 2495]*
<<locked>>
81%
20856
33%
**01
92%
[Accurate 2520]*
<<locked>>
87%
27847
44%
**52
90%
[Accurate 4064]*
<<locked>>
90%
23873
38%
**80
90%
Alliant AR-Comp
<<locked>>
81%
24250
38%
**57
96%
Alliant Reloder-10x
<<locked>>
81%
30530
48%
**72
98%
Alliant Reloder-7
<<locked>>
81%
38101
60%
**64
99%
Baschieri & Pellagri 106
<<locked>>
81%
33170
53%
**52
96%
[Hodgdon BL-C2]*
<<locked>>
92%
34011
54%
**87
90%
[Hodgdon Benchmark]*
<<locked>>
84%
31154
49%
**19
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
37594
60%
**11
92%
[Hodgdon H322]*
<<locked>>
81%
27267
43%
**90
92%
[Hodgdon H335]*
<<locked>>
81%
31198
49%
**92
93%
Hodgdon H4198
<<locked>>
81%
36622
58%
**01
96%
[IMR 3031]*
<<locked>>
84%
23743
38%
**34
91%
IMR 4198
<<locked>>
81%
32764
52%
**72
99%
IMR 4227
<<locked>>
81%
43859
70%
**06
100%
[IMR 8208 XBR]*
<<locked>>
90%
33736
53%
**21
90%
Lovex D060
<<locked>>
81%
52663
83%
**64
100%
[Lovex D073.4]*
<<locked>>
82%
30458
48%
**52
90%
[Lovex D073.5]*
<<locked>>
84%
29921
47%
**52
90%
[Lovex D073.6]*
<<locked>>
90%
28326
45%
**65
90%
Lovex S053
<<locked>>
81%
43250
69%
**77
100%
[Lovex S060]*
<<locked>>
94%
38218
61%
**54
90%
Norma 200
<<locked>>
81%
34258
54%
**38
99%
[Norma 201]*
<<locked>>
92%
32967
52%
**15
90%
[Norma 202]*
<<locked>>
85%
26353
42%
**80
90%
[Ramshot X-Terminator]*
<<locked>>
91%
39291
62%
**00
90%
ReloadSwiss RS 36
<<locked>>
81%
43526
69%
**43
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
29138
46%
**23
90%
[Rottweil R 901]*
<<locked>>
81%
26556
42%
**47
90%
[Rottweil R 902]*
<<locked>>
94%
32967
52%
**05
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
40074
64%
**96
100%
[SNPE Vectan SP 10]*
<<locked>>
81%
32039
51%
**11
93%
[SNPE Vectan Tubal 3000]*
<<locked>>
82%
26411
42%
**01
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
86%
24381
39%
**55
90%
Shooters World Buffalo Rifle
<<locked>>
81%
52663
83%
**64
100%
[Shooters World Match Rifle]*
<<locked>>
90%
28326
45%
**65
90%
[Shooters World Tactical Rifle]*
<<locked>>
85%
35172
56%
**11
90%
[Somchem S321]*
<<locked>>
87%
32300
51%
**18
90%
[Somchem S335]*
<<locked>>
81%
24990
40%
**88
91%
Vihtavuori N110
<<locked>>
81%
50676
80%
**03
100%
Vihtavuori N120
<<locked>>
81%
34040
54%
**78
100%
Vihtavuori N130
<<locked>>
81%
28863
46%
**83
97%
[Vihtavuori N133]*
<<locked>>
81%
23931
38%
**55
93%
[Vihtavuori N135]*
<<locked>>
88%
21944
35%
**55
90%
[Vihtavuori N140]*
<<locked>>
86%
26020
41%
**44
90%
[Vihtavuori N530]*
<<locked>>
87%
32735
52%
**08
90%
[Vihtavuori N540]*
<<locked>>
88%
26803
42%
**90
90%
[Winchester 748]*
<<locked>>
87%
31792
50%
**18
90%
[Winchester StaBALL Match]*
<<locked>>
89%
36738
58%
**10
90%

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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