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Load data for .338 RCM + .338 | 250gr | Hornady InterLock RN

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Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

.338 RCM + .338 | 250gr | Hornady InterLock RN

Load Specifications

Bullet:
.338 | 250gr | Hornady InterLock RN
Manufacturer SKU:
3330
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.188" | 30.2mm
Caliber:
.338 RCM
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.391" | 9.9mm
Shank Seated Depth:
0.391" | 9.9mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B2755_C458

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

Load data for 192 loads in caliber .338 RCM with .338 | 250gr | Hornady InterLock RN bullet and 96 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 7 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>>
89%
56086
90%
**57
100%
ADI AR 2208
<<locked>>
94%
55724
89%
**34
100%
[ADI AR 2209]*
<<locked>>
97%
40872
66%
**67
92%
Accurate 2015
<<locked>>
85%
55941
90%
**46
100%
Accurate 2200
<<locked>>
87%
56043
90%
**25
100%
Accurate 2495
<<locked>>
88%
56057
90%
**11
100%
Accurate 2520
<<locked>>
87%
55651
89%
**34
100%
Accurate 2700
<<locked>>
95%
55825
90%
**88
97%
[Accurate 3100]*
<<locked>>
97%
32909
53%
**39
93%
Accurate 4064
<<locked>>
94%
56014
90%
**38
100%
Accurate 4350
<<locked>>
97%
46383
74%
**95
99%
Alliant AR-Comp
<<locked>>
87%
56043
90%
**88
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
55999
90%
**67
100%
Alliant Reloder-15
<<locked>>
92%
55332
89%
**67
100%
Alliant Reloder-16
<<locked>>
97%
45556
73%
**95
99%
Alliant Reloder-17 👍
<<locked>>
97%
53142
85%
**33
100%
[Alliant Reloder-19]*
<<locked>>
97%
39842
64%
**64
92%
Alliant Reloder-23
<<locked>>
97%
32909
53%
**82
97%
Alliant Reloder-26
<<locked>>
97%
35694
57%
**90
96%
Baschieri & Pellagri 107
<<locked>>
89%
55825
90%
**70
100%
Hodgdon BL-C2
<<locked>>
87%
55753
89%
**74
100%
Hodgdon Benchmark
<<locked>>
86%
55259
89%
**72
100%
Hodgdon CFE223 👍
<<locked>>
92%
55288
89%
**07
100%
Hodgdon H322
<<locked>>
85%
55941
90%
**05
100%
Hodgdon H380
<<locked>>
94%
55724
89%
**67
100%
Hodgdon H414
<<locked>>
97%
54897
88%
**13
98%
Hodgdon H4350
<<locked>>
97%
44846
72%
**06
95%
Hodgdon Hybrid 100V
<<locked>>
97%
42163
68%
**97
99%
Hodgdon LVR
<<locked>>
97%
50821
81%
**41
99%
Hodgdon Superperformance
<<locked>>
97%
50763
81%
**74
97%
Hodgdon VARGET
<<locked>>
94%
55216
89%
**31
100%
IMR 3031
<<locked>>
92%
56086
90%
**41
100%
IMR 4064
<<locked>>
95%
55840
90%
**28
100%
IMR 4166 Enduron
<<locked>>
95%
55274
89%
**05
98%
IMR 4350
<<locked>>
97%
47152
76%
**39
96%
IMR 4451 Enduron
<<locked>>
97%
55666
89%
**34
98%
IMR 4831
<<locked>>
97%
39639
64%
**67
98%
IMR 4895
<<locked>>
91%
55579
89%
**80
100%
IMR 8208 XBR
<<locked>>
87%
55071
88%
**11
100%
Lovex D073.6
<<locked>>
89%
55129
88%
**28
100%
Lovex S060
<<locked>>
89%
55550
89%
**85
100%
Lovex S062
<<locked>>
93%
55767
89%
**31
100%
Lovex S065
<<locked>>
97%
51692
83%
**92
99%
Lovex S070
<<locked>>
97%
48704
78%
**69
97%
Norma 201
<<locked>>
89%
55114
88%
**11
100%
Norma 202
<<locked>>
89%
55506
89%
**08
100%
Norma 203B
<<locked>>
92%
55288
89%
**64
100%
[Norma 204]*
<<locked>>
97%
47282
76%
**75
94%
[Norma MRP]*
<<locked>>
97%
35795
57%
**54
92%
Norma URP
<<locked>>
97%
46311
74%
**88
99%
Ramshot Big Game 👍
<<locked>>
93%
56101
90%
**97
100%
Ramshot Hunter
<<locked>>
97%
45571
73%
**82
97%
Ramshot TAC
<<locked>>
87%
55317
89%
**31
99%
Ramshot Wild Boar
<<locked>>
87%
55579
89%
**54
100%
Ramshot X-Terminator
<<locked>>
85%
56115
90%
**15
100%
ReloadSwiss RS 40
<<locked>>
83%
54998
88%
**98
100%
ReloadSwiss RS 50
<<locked>>
93%
55013
88%
**34
98%
ReloadSwiss RS 52
<<locked>>
93%
56043
90%
**97
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
51430
82%
**23
100%
ReloadSwiss RS 62
<<locked>>
97%
46383
74%
**18
99%
ReloadSwiss RS 70
<<locked>>
97%
46441
74%
**25
98%
Rottweil R 901
<<locked>>
87%
55535
89%
**82
100%
Rottweil R 902
<<locked>>
91%
55361
89%
**02
100%
Rottweil R 903
<<locked>>
97%
56130
90%
**67
100%
[Rottweil R 905]*
<<locked>>
97%
38232
61%
**41
92%
Rottweil R 907
<<locked>>
97%
53983
87%
**15
97%
SNPE Vectan SP 11 👍
<<locked>>
95%
55405
89%
**93
100%
SNPE Vectan SP 7
<<locked>>
88%
55608
89%
**38
99%
SNPE Vectan SP 9
<<locked>>
90%
55999
90%
**54
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
55463
89%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
55622
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
51227
82%
**43
97%
Shooters World Long Rifle
<<locked>>
97%
51692
83%
**92
99%
Shooters World Match Rifle
<<locked>>
89%
55129
88%
**28
100%
Shooters World Precision
<<locked>>
93%
55767
89%
**31
100%
Somchem S321
<<locked>>
85%
55593
89%
**31
100%
Somchem S335
<<locked>>
89%
56130
90%
**52
100%
Somchem S341
<<locked>>
88%
55201
89%
**28
100%
Somchem S355
<<locked>>
96%
55332
89%
**48
100%
Somchem S365
<<locked>>
97%
41423
66%
**49
100%
[Somchem S385]*
<<locked>>
97%
38899
62%
**41
93%
Vihtavuori N130
<<locked>>
85%
55303
89%
**06
100%
Vihtavuori N133
<<locked>>
91%
55767
89%
**29
100%
Vihtavuori N135
<<locked>>
97%
54244
87%
**65
100%
Vihtavuori N140
<<locked>>
91%
55637
89%
**88
100%
Vihtavuori N150
<<locked>>
96%
47950
77%
**23
100%
Vihtavuori N160
<<locked>>
97%
51387
82%
**21
99%
Vihtavuori N530
<<locked>>
85%
55100
88%
**21
100%
Vihtavuori N540
<<locked>>
92%
55637
89%
**21
100%
Vihtavuori N550
<<locked>>
97%
51503
83%
**61
99%
Vihtavuori N555
<<locked>>
97%
35114
56%
**44
97%
Winchester 6.5 StaBALL
<<locked>>
97%
48950
78%
**72
100%
Winchester 748
<<locked>>
85%
55158
88%
**51
100%
Winchester 760
<<locked>>
97%
54897
88%
**13
98%
Winchester StaBALL HD
<<locked>>
97%
29037
47%
**49
96%
Winchester StaBALL Match
<<locked>>
83%
56115
90%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43729
70%
**77
99%
ADI AR 2208
<<locked>>
81%
37217
60%
**52
97%
[ADI AR 2209]*
<<locked>>
93%
36898
59%
**88
90%
Accurate 2015
<<locked>>
81%
49443
79%
**70
100%
Accurate 2200
<<locked>>
81%
45788
73%
**80
99%
Accurate 2495
<<locked>>
81%
44556
71%
**70
100%
Accurate 2520
<<locked>>
81%
45295
73%
**03
100%
[Accurate 2700]*
<<locked>>
81%
35578
57%
**73
92%
[Accurate 3100]*
<<locked>>
91%
26905
43%
**05
90%
Accurate 4064
<<locked>>
81%
37521
60%
**78
100%
[Accurate 4350]*
<<locked>>
81%
27195
44%
**21
93%
Alliant AR-Comp
<<locked>>
81%
45774
73%
**70
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36550
59%
**72
99%
Alliant Reloder-15
<<locked>>
81%
39320
63%
**24
98%
[Alliant Reloder-16]*
<<locked>>
81%
28572
46%
**34
93%
Alliant Reloder-17
<<locked>>
81%
31314
50%
**36
97%
[Alliant Reloder-19]*
<<locked>>
93%
35520
57%
**78
90%
[Alliant Reloder-23]*
<<locked>>
84%
22249
36%
**77
90%
[Alliant Reloder-26]*
<<locked>>
88%
27006
43%
**64
90%
Baschieri & Pellagri 107
<<locked>>
81%
42801
69%
**87
98%
Hodgdon BL-C2
<<locked>>
81%
44846
72%
**20
100%
Hodgdon Benchmark
<<locked>>
81%
47718
77%
**74
100%
Hodgdon CFE223
<<locked>>
81%
37434
60%
**28
97%
Hodgdon H322
<<locked>>
81%
48631
78%
**13
100%
Hodgdon H380
<<locked>>
81%
36840
59%
**72
96%
[Hodgdon H414]*
<<locked>>
81%
32474
52%
**19
92%
[Hodgdon H4350]*
<<locked>>
85%
31691
51%
**51
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26034
42%
**55
94%
[Hodgdon LVR]*
<<locked>>
81%
30661
49%
**73
93%
[Hodgdon Superperformance]*
<<locked>>
84%
32735
52%
**33
90%
Hodgdon VARGET
<<locked>>
81%
36956
59%
**46
97%
IMR 3031
<<locked>>
81%
39769
64%
**24
100%
IMR 4064
<<locked>>
81%
36521
59%
**29
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36521
59%
**00
93%
[IMR 4350]*
<<locked>>
84%
31575
51%
**47
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34418
55%
**87
92%
[IMR 4831]*
<<locked>>
81%
24439
39%
**26
91%
IMR 4895
<<locked>>
81%
40335
65%
**51
99%
IMR 8208 XBR
<<locked>>
81%
45847
74%
**83
100%
Lovex D073.6
<<locked>>
81%
42496
68%
**64
100%
Lovex S060
<<locked>>
81%
44135
71%
**28
99%
Lovex S062
<<locked>>
81%
38986
63%
**85
99%
[Lovex S065]*
<<locked>>
81%
31763
51%
**41
93%
[Lovex S070]*
<<locked>>
81%
29892
48%
**14
91%
Norma 201
<<locked>>
81%
42743
69%
**38
100%
Norma 202
<<locked>>
81%
42960
69%
**41
100%
Norma 203B
<<locked>>
81%
38841
62%
**15
99%
[Norma 204]*
<<locked>>
88%
36056
58%
**69
90%
[Norma MRP]*
<<locked>>
93%
32401
52%
**75
90%
[Norma URP]*
<<locked>>
81%
27978
45%
**24
93%
Ramshot Big Game
<<locked>>
81%
38000
61%
**21
98%
[Ramshot Hunter]*
<<locked>>
82%
28224
45%
**21
90%
Ramshot TAC
<<locked>>
81%
45687
73%
**90
98%
Ramshot Wild Boar
<<locked>>
81%
44802
72%
**03
99%
Ramshot X-Terminator
<<locked>>
81%
49327
79%
**23
100%
ReloadSwiss RS 40
<<locked>>
81%
51517
83%
**52
100%
ReloadSwiss RS 50
<<locked>>
81%
37565
60%
**62
95%
ReloadSwiss RS 52
<<locked>>
81%
37376
60%
**28
99%
ReloadSwiss RS 60
<<locked>>
81%
30632
49%
**29
97%
[ReloadSwiss RS 62]*
<<locked>>
81%
27296
44%
**31
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
27746
44%
**24
90%
Rottweil R 901
<<locked>>
81%
46949
75%
**67
100%
Rottweil R 902
<<locked>>
81%
40741
65%
**95
100%
Rottweil R 903
<<locked>>
81%
33736
54%
**19
98%
[Rottweil R 905]*
<<locked>>
93%
34548
55%
**69
90%
[Rottweil R 907]*
<<locked>>
81%
33011
53%
**54
91%
SNPE Vectan SP 11
<<locked>>
81%
34969
56%
**69
97%
SNPE Vectan SP 7
<<locked>>
81%
43758
70%
**67
98%
SNPE Vectan SP 9
<<locked>>
81%
42264
68%
**54
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
44237
71%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36506
59%
**80
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
30443
49%
**91
91%
[Shooters World Long Rifle]*
<<locked>>
81%
31763
51%
**41
93%
Shooters World Match Rifle
<<locked>>
81%
42496
68%
**64
100%
Shooters World Precision
<<locked>>
81%
38986
63%
**85
99%
Somchem S321
<<locked>>
81%
49501
79%
**56
100%
Somchem S335
<<locked>>
81%
43685
70%
**95
100%
Somchem S341
<<locked>>
81%
43685
70%
**67
99%
Somchem S355
<<locked>>
81%
34766
56%
**29
98%
Somchem S365
<<locked>>
81%
25150
40%
**85
95%
[Somchem S385]*
<<locked>>
91%
31575
51%
**93
90%
Vihtavuori N130
<<locked>>
81%
49153
79%
**31
100%
Vihtavuori N133
<<locked>>
81%
41568
67%
**49
100%
Vihtavuori N135
<<locked>>
81%
34084
55%
**80
100%
Vihtavuori N140
<<locked>>
81%
40205
64%
**82
100%
Vihtavuori N150
<<locked>>
81%
29733
48%
**08
98%
[Vihtavuori N160]*
<<locked>>
81%
30603
49%
**54
94%
Vihtavuori N530
<<locked>>
81%
48022
77%
**26
100%
Vihtavuori N540
<<locked>>
81%
39784
64%
**01
100%
[Vihtavuori N550]*
<<locked>>
81%
30661
49%
**90
94%
[Vihtavuori N555]*
<<locked>>
83%
22539
36%
**19
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29602
47%
**18
96%
Winchester 748
<<locked>>
81%
48892
78%
**75
100%
[Winchester 760]*
<<locked>>
81%
32474
52%
**19
92%
[Winchester StaBALL HD]*
<<locked>>
90%
23583
38%
**62
90%
Winchester StaBALL Match
<<locked>>
81%
51547
83%
**08
100%

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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