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Load data for 8.6 mm Blackout + .338 | 250gr | Nosler Partition RN

Recommended Powder(s): Hodgdon BL-C2, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match

8.6 mm Blackout + .338 | 250gr | Nosler Partition RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Nosler Partition RN
Manufacturer SKU:
16338
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.340" | 34.0mm
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:
0.242" | 6.2mm
Shank Seated Depth:
0.242" | 6.2mm
Case Capacity:
50.0 Grains of Water | 3.25 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B4146_C1210
Last updated:
2025-02-02

Load data for 164 loads in caliber 8.6 mm Blackout with .338 | 250gr | Nosler Partition RN bullet and 82 powders such as Hodgdon BL-C2, Somchem S321, Vihtavuori N530, 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".

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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 2206H
<<locked>>
97%
51605
82%
**24
98%
ADI AR 2207
<<locked>>
87%
56724
90%
**59
100%
ADI AR 2208
<<locked>>
96%
43410
69%
**96
96%
ADI AR 2219
<<locked>>
90%
55651
88%
**47
100%
Accurate 2015
<<locked>>
95%
55637
88%
**01
100%
Accurate 2200
<<locked>>
97%
56304
89%
**38
98%
Accurate 2230
<<locked>>
93%
56289
89%
**41
99%
Accurate 2460
<<locked>>
93%
55956
89%
**47
100%
Accurate 2495
<<locked>>
96%
50140
79%
**15
100%
Accurate 2520
<<locked>>
97%
52982
84%
**57
100%
Accurate 4064
<<locked>>
96%
41292
65%
**19
100%
Alliant AR-Comp
<<locked>>
96%
51924
82%
**21
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
41278
65%
**10
98%
Alliant Reloder-10x
<<locked>>
93%
56753
90%
**15
100%
Alliant Reloder-15
<<locked>>
97%
45730
72%
**72
97%
Alliant Reloder-17
<<locked>>
97%
37420
59%
**90
95%
Alliant Reloder-7
<<locked>>
86%
56318
89%
**56
100%
Baschieri & Pellagri 106
<<locked>>
90%
56086
89%
**65
100%
Baschieri & Pellagri 107
<<locked>>
96%
50633
80%
**31
97%
Hodgdon BL-C2 👍
<<locked>>
97%
53853
85%
**87
100%
Hodgdon Benchmark
<<locked>>
95%
55564
88%
**08
100%
Hodgdon CFE BLK
<<locked>>
87%
55492
88%
**72
100%
Hodgdon CFE223
<<locked>>
97%
45208
72%
**85
96%
Hodgdon H322
<<locked>>
96%
56405
89%
**54
100%
Hodgdon H335
<<locked>>
91%
56666
90%
**70
100%
Hodgdon H380
<<locked>>
96%
42902
68%
**16
95%
Hodgdon H4198
<<locked>>
88%
55724
88%
**56
100%
Hodgdon VARGET
<<locked>>
96%
43018
68%
**90
96%
IMR 3031
<<locked>>
97%
45368
72%
**78
100%
IMR 4064
<<locked>>
97%
42409
67%
**77
96%
[IMR 4166 Enduron]*
<<locked>>
97%
43323
69%
**44
91%
IMR 4198
<<locked>>
92%
56260
89%
**65
100%
IMR 4895
<<locked>>
97%
46543
74%
**95
98%
IMR 8208 XBR
<<locked>>
97%
54839
87%
**38
100%
Lovex D073.4
<<locked>>
92%
55869
89%
**34
100%
Lovex D073.5
<<locked>>
94%
56492
90%
**54
100%
Lovex D073.6
<<locked>>
96%
48501
77%
**01
100%
Lovex S060
<<locked>>
97%
52939
84%
**75
99%
Lovex S062
<<locked>>
97%
44860
71%
**29
99%
Norma 200
<<locked>>
88%
55579
88%
**82
100%
Norma 201
<<locked>>
96%
50212
80%
**85
99%
Norma 202
<<locked>>
96%
49734
79%
**92
100%
Norma 203B
<<locked>>
97%
44672
71%
**59
97%
Ramshot Big Game
<<locked>>
96%
44469
70%
**65
97%
Ramshot TAC
<<locked>>
97%
56304
89%
**51
97%
Ramshot Wild Boar
<<locked>>
96%
53490
85%
**57
99%
Ramshot X-Terminator
<<locked>>
94%
56623
90%
**38
99%
ReloadSwiss RS 40
<<locked>>
94%
56753
90%
**57
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
44904
71%
**13
93%
ReloadSwiss RS 52
<<locked>>
97%
43453
69%
**78
99%
ReloadSwiss RS 60
<<locked>>
97%
36448
58%
**73
96%
Rottweil R 901
<<locked>>
97%
55259
88%
**21
100%
Rottweil R 902
<<locked>>
97%
47790
76%
**46
99%
Rottweil R 903
<<locked>>
97%
38508
61%
**70
97%
SNPE Vectan BA6 1/2
<<locked>>
87%
55985
89%
**39
100%
SNPE Vectan SP 10
<<locked>>
89%
55463
88%
**51
100%
SNPE Vectan SP 11
<<locked>>
97%
40988
65%
**19
96%
SNPE Vectan SP 7
<<locked>>
96%
52373
83%
**15
97%
SNPE Vectan SP 9
<<locked>>
97%
50183
80%
**08
98%
SNPE Vectan Tubal 3000
<<locked>>
96%
52750
84%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
42757
68%
**37
100%
Shooters World Match Rifle
<<locked>>
96%
48501
77%
**01
100%
Shooters World Precision
<<locked>>
97%
44860
71%
**29
99%
Shooters World Tactical Rifle
<<locked>>
91%
55999
89%
**11
99%
Somchem S321 👍
<<locked>>
94%
55245
88%
**67
100%
Somchem S335
<<locked>>
96%
51547
82%
**52
100%
Somchem S341
<<locked>>
96%
51808
82%
**15
98%
Somchem S355
<<locked>>
96%
39639
63%
**73
97%
[Somchem S365]*
<<locked>>
97%
28631
45%
**16
93%
Vihtavuori N120
<<locked>>
89%
56188
89%
**10
100%
Vihtavuori N130
<<locked>>
95%
56579
90%
**69
100%
Vihtavuori N133
<<locked>>
97%
48878
77%
**06
100%
Vihtavuori N135
<<locked>>
97%
37797
60%
**28
100%
Vihtavuori N140
<<locked>>
96%
46224
73%
**29
100%
Vihtavuori N150
<<locked>>
97%
33808
54%
**59
96%
[Vihtavuori N160]*
<<locked>>
97%
35476
56%
**95
92%
Vihtavuori N530 👍
<<locked>>
95%
55970
89%
**60
100%
Vihtavuori N540
<<locked>>
97%
46514
74%
**62
100%
[Vihtavuori N550]*
<<locked>>
96%
35012
55%
**31
92%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
35360
56%
**65
94%
Winchester 748 👍
<<locked>>
96%
56478
90%
**10
100%
Winchester StaBALL Match 👍
<<locked>>
93%
55883
89%
**90
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
31575
50%
**06
93%
ADI AR 2207
<<locked>>
81%
46673
74%
**54
100%
[ADI AR 2208]*
<<locked>>
82%
28050
44%
**11
90%
ADI AR 2219
<<locked>>
81%
41452
66%
**70
100%
Accurate 2015
<<locked>>
81%
36201
57%
**49
100%
[Accurate 2200]*
<<locked>>
81%
34055
54%
**13
92%
Accurate 2230
<<locked>>
81%
37144
59%
**85
96%
Accurate 2460
<<locked>>
81%
37144
59%
**98
98%
Accurate 2495
<<locked>>
81%
30081
48%
**23
99%
Accurate 2520
<<locked>>
81%
31038
49%
**32
97%
Accurate 4064
<<locked>>
81%
25324
40%
**21
96%
Alliant AR-Comp
<<locked>>
81%
31502
50%
**39
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
25759
41%
**04
92%
Alliant Reloder-10x
<<locked>>
81%
39682
63%
**08
100%
[Alliant Reloder-15]*
<<locked>>
81%
27833
44%
**44
90%
[Alliant Reloder-17]*
<<locked>>
88%
28514
45%
**93
90%
Alliant Reloder-7
<<locked>>
81%
47863
76%
**64
100%
Baschieri & Pellagri 106
<<locked>>
81%
42047
67%
**98
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
30864
49%
**00
91%
Hodgdon BL-C2
<<locked>>
81%
31241
50%
**42
95%
Hodgdon Benchmark
<<locked>>
81%
36201
57%
**32
97%
Hodgdon CFE BLK
<<locked>>
81%
46369
73%
**60
99%
[Hodgdon CFE223]*
<<locked>>
85%
30879
49%
**23
90%
Hodgdon H322
<<locked>>
81%
35288
56%
**72
99%
Hodgdon H335
<<locked>>
81%
40886
65%
**73
99%
[Hodgdon H380]*
<<locked>>
87%
31386
50%
**16
90%
Hodgdon H4198
<<locked>>
81%
45136
72%
**24
100%
[Hodgdon VARGET]*
<<locked>>
82%
28369
45%
**14
90%
IMR 3031
<<locked>>
81%
27804
44%
**73
98%
[IMR 4064]*
<<locked>>
82%
27789
44%
**04
90%
[IMR 4166 Enduron]*
<<locked>>
93%
39581
63%
**82
90%
IMR 4198
<<locked>>
81%
41002
65%
**85
100%
[IMR 4895]*
<<locked>>
81%
28297
45%
**70
92%
IMR 8208 XBR
<<locked>>
81%
33489
53%
**26
96%
Lovex D073.4
<<locked>>
81%
38696
61%
**11
98%
Lovex D073.5
<<locked>>
81%
36709
58%
**88
98%
Lovex D073.6
<<locked>>
81%
29080
46%
**90
96%
[Lovex S060]*
<<locked>>
81%
33576
53%
**80
94%
[Lovex S062]*
<<locked>>
81%
27876
44%
**27
93%
Norma 200
<<locked>>
81%
44802
71%
**60
100%
Norma 201
<<locked>>
81%
31270
50%
**86
95%
Norma 202
<<locked>>
81%
30777
49%
**96
97%
[Norma 203B]*
<<locked>>
81%
27151
43%
**37
91%
[Ramshot Big Game]*
<<locked>>
82%
27818
44%
**47
90%
[Ramshot TAC]*
<<locked>>
81%
33678
53%
**13
90%
[Ramshot Wild Boar]*
<<locked>>
81%
32198
51%
**32
93%
Ramshot X-Terminator
<<locked>>
81%
36709
58%
**62
95%
ReloadSwiss RS 40
<<locked>>
81%
37942
60%
**05
98%
[ReloadSwiss RS 50]*
<<locked>>
91%
37144
59%
**91
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
25947
41%
**37
93%
[ReloadSwiss RS 60]*
<<locked>>
88%
27934
44%
**77
90%
Rottweil R 901
<<locked>>
81%
34679
55%
**32
98%
[Rottweil R 902]*
<<locked>>
81%
29834
47%
**50
94%
[Rottweil R 903]*
<<locked>>
83%
24149
38%
**81
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48631
77%
**64
100%
SNPE Vectan SP 10
<<locked>>
81%
41959
67%
**80
100%
[SNPE Vectan SP 11]*
<<locked>>
84%
27978
44%
**60
90%
[SNPE Vectan SP 7]*
<<locked>>
82%
31734
50%
**96
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
30385
48%
**83
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
33243
53%
**70
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
26905
43%
**65
97%
Shooters World Match Rifle
<<locked>>
81%
29080
46%
**90
96%
[Shooters World Precision]*
<<locked>>
81%
27876
44%
**27
93%
Shooters World Tactical Rifle
<<locked>>
81%
39914
63%
**05
97%
Somchem S321
<<locked>>
81%
35563
56%
**88
97%
Somchem S335
<<locked>>
81%
32605
52%
**77
99%
[Somchem S341]*
<<locked>>
81%
31227
49%
**93
93%
[Somchem S355]*
<<locked>>
81%
24526
39%
**68
90%
[Somchem S365]*
<<locked>>
92%
25150
40%
**24
90%
Vihtavuori N120
<<locked>>
81%
44179
70%
**82
100%
Vihtavuori N130
<<locked>>
81%
36898
58%
**26
100%
Vihtavuori N133
<<locked>>
81%
30748
49%
**37
99%
Vihtavuori N135
<<locked>>
81%
23612
37%
**45
97%
Vihtavuori N140
<<locked>>
81%
28660
45%
**41
97%
[Vihtavuori N150]*
<<locked>>
83%
22089
35%
**90
90%
[Vihtavuori N160]*
<<locked>>
93%
31720
50%
**19
90%
Vihtavuori N530
<<locked>>
81%
35346
56%
**69
96%
Vihtavuori N540
<<locked>>
81%
28471
45%
**57
97%
[Vihtavuori N550]*
<<locked>>
93%
31270
50%
**52
90%
[Winchester 6.5 StaBALL]*
<<locked>>
89%
27688
44%
**01
90%
Winchester 748
<<locked>>
81%
34476
55%
**95
97%
Winchester StaBALL Match
<<locked>>
81%
36637
58%
**24
96%

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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