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Load data for .338 RCM + .338 | 250gr | Lapua Scenar

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.338 RCM + .338 | 250gr | Lapua Scenar

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Lapua Scenar
Manufacturer SKU:
4PL8017 | GB488
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.550" | 39.4mm
Caliber:
.338 RCM load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.753" | 19.1mm
Shank Seated Depth:
0.497" | 12.6mm
Case Capacity:
71.0 Grains of Water | 4.61 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B3200_C458
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 196 loads in caliber .338 RCM with .338 | 250gr | Lapua Scenar bullet and 98 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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 2206H
<<locked>>
93%
55825
90%
**98
100%
ADI AR 2208
<<locked>>
97%
53432
86%
**49
99%
ADI AR 2219
<<locked>>
83%
55695
89%
**52
100%
Accurate 2015
<<locked>>
89%
55738
89%
**97
100%
Accurate 2200
<<locked>>
91%
55970
90%
**59
99%
Accurate 2230
<<locked>>
86%
55187
88%
**46
100%
Accurate 2460
<<locked>>
87%
55898
90%
**56
100%
Accurate 2495
<<locked>>
92%
55956
90%
**65
100%
Accurate 2520
<<locked>>
91%
55216
89%
**85
100%
Accurate 2700
<<locked>>
97%
52620
84%
**80
95%
Accurate 4064
<<locked>>
97%
53258
85%
**59
100%
Accurate 4350
<<locked>>
97%
39842
64%
**44
97%
Alliant AR-Comp
<<locked>>
91%
55492
89%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
52431
84%
**65
100%
Alliant Reloder-10x
<<locked>>
86%
55288
89%
**97
100%
Alliant Reloder-15 👍
<<locked>>
96%
55013
88%
**08
100%
Alliant Reloder-16
<<locked>>
97%
40553
65%
**47
97%
Alliant Reloder-17
<<locked>>
97%
46267
74%
**75
99%
[Alliant Reloder-23]*
<<locked>>
97%
28456
46%
**14
93%
Baschieri & Pellagri 106
<<locked>>
84%
55477
89%
**64
100%
Baschieri & Pellagri 107 👍
<<locked>>
93%
55796
89%
**15
99%
Hodgdon BL-C2
<<locked>>
91%
55680
89%
**18
100%
Hodgdon Benchmark
<<locked>>
90%
55985
90%
**23
100%
Hodgdon CFE223
<<locked>>
97%
55782
89%
**54
99%
Hodgdon H322
<<locked>>
89%
56057
90%
**56
100%
Hodgdon H335
<<locked>>
84%
55230
89%
**59
100%
Hodgdon H380
<<locked>>
97%
54375
87%
**92
99%
Hodgdon H414
<<locked>>
96%
47340
76%
**43
96%
[Hodgdon H4350]*
<<locked>>
97%
39175
63%
**49
92%
Hodgdon Hybrid 100V
<<locked>>
97%
37043
59%
**56
98%
Hodgdon LVR
<<locked>>
97%
44512
71%
**93
97%
[Hodgdon Superperformance]*
<<locked>>
97%
44643
72%
**03
94%
Hodgdon VARGET
<<locked>>
97%
53098
85%
**46
99%
IMR 3031
<<locked>>
96%
55999
90%
**95
100%
IMR 4064
<<locked>>
96%
51663
83%
**20
99%
IMR 4166 Enduron
<<locked>>
96%
51909
83%
**93
96%
IMR 4198
<<locked>>
86%
55825
90%
**60
100%
[IMR 4350]*
<<locked>>
97%
41930
67%
**92
93%
IMR 4451 Enduron
<<locked>>
96%
49356
79%
**87
96%
IMR 4831
<<locked>>
96%
34040
55%
**16
95%
IMR 4895 👍
<<locked>>
95%
55245
89%
**21
100%
IMR 8208 XBR
<<locked>>
91%
55550
89%
**62
100%
Lovex D073.4
<<locked>>
86%
56086
90%
**46
100%
Lovex D073.5
<<locked>>
87%
55274
89%
**49
100%
Lovex D073.6
<<locked>>
93%
55216
89%
**85
100%
Lovex S060
<<locked>>
92%
55854
90%
**29
100%
Lovex S062
<<locked>>
97%
55666
89%
**75
100%
Lovex S065
<<locked>>
97%
45281
73%
**41
97%
[Lovex S070]*
<<locked>>
96%
42395
68%
**15
94%
Norma 201
<<locked>>
93%
55796
89%
**65
100%
Norma 202
<<locked>>
93%
55230
89%
**59
100%
Norma 203B
<<locked>>
96%
55071
88%
**08
100%
Norma URP
<<locked>>
96%
40118
64%
**34
97%
Ramshot Big Game 👍
<<locked>>
96%
55593
89%
**34
100%
[Ramshot Hunter]*
<<locked>>
96%
39552
63%
**21
94%
Ramshot TAC
<<locked>>
91%
55941
90%
**79
99%
Ramshot Wild Boar
<<locked>>
91%
55811
89%
**02
100%
Ramshot X-Terminator
<<locked>>
88%
55579
89%
**49
100%
ReloadSwiss RS 40
<<locked>>
87%
55550
89%
**52
100%
ReloadSwiss RS 50
<<locked>>
97%
55463
89%
**82
98%
ReloadSwiss RS 52 👍
<<locked>>
96%
54447
87%
**28
100%
ReloadSwiss RS 60
<<locked>>
97%
45078
72%
**65
100%
ReloadSwiss RS 62
<<locked>>
97%
39885
64%
**57
96%
ReloadSwiss RS 70
<<locked>>
97%
41437
66%
**74
96%
Rottweil R 901
<<locked>>
91%
55854
90%
**36
100%
Rottweil R 902
<<locked>>
95%
55027
88%
**49
100%
Rottweil R 903
<<locked>>
96%
48631
78%
**23
100%
Rottweil R 907
<<locked>>
97%
47384
76%
**54
95%
SNPE Vectan SP 10
<<locked>>
83%
55405
89%
**56
100%
SNPE Vectan SP 11
<<locked>>
96%
50314
81%
**75
99%
SNPE Vectan SP 7
<<locked>>
92%
55666
89%
**79
99%
SNPE Vectan SP 9
<<locked>>
94%
55622
89%
**95
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
55695
89%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
53490
86%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
45426
73%
**08
95%
Shooters World Long Rifle
<<locked>>
97%
45281
73%
**41
97%
Shooters World Match Rifle
<<locked>>
93%
55216
89%
**85
100%
Shooters World Precision
<<locked>>
97%
55666
89%
**75
100%
Shooters World Tactical Rifle
<<locked>>
85%
55709
89%
**29
100%
Somchem S321
<<locked>>
88%
55796
89%
**85
100%
Somchem S335
<<locked>>
93%
56115
90%
**03
100%
Somchem S341
<<locked>>
92%
55071
88%
**72
100%
Somchem S355
<<locked>>
97%
49676
80%
**29
100%
Somchem S365
<<locked>>
97%
35853
57%
**95
99%
Vihtavuori N130
<<locked>>
88%
55361
89%
**57
100%
Vihtavuori N133
<<locked>>
94%
55230
89%
**74
100%
Vihtavuori N135
<<locked>>
96%
47485
76%
**47
100%
Vihtavuori N140
<<locked>>
95%
55811
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
42221
68%
**98
100%
Vihtavuori N160
<<locked>>
97%
45136
72%
**77
98%
Vihtavuori N530
<<locked>>
89%
55201
89%
**69
100%
Vihtavuori N540
<<locked>>
96%
55666
89%
**72
100%
Vihtavuori N550
<<locked>>
97%
44411
71%
**06
98%
[Vihtavuori N555]*
<<locked>>
97%
29820
48%
**80
94%
Winchester 6.5 StaBALL
<<locked>>
97%
43685
70%
**34
99%
Winchester 748
<<locked>>
88%
55259
89%
**05
100%
Winchester 760
<<locked>>
96%
47340
76%
**43
96%
Winchester StaBALL Match
<<locked>>
86%
55608
89%
**05
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38914
62%
**49
98%
ADI AR 2208
<<locked>>
81%
33156
53%
**21
95%
ADI AR 2219
<<locked>>
81%
51358
82%
**00
100%
Accurate 2015
<<locked>>
81%
44092
71%
**56
100%
Accurate 2200
<<locked>>
81%
41147
66%
**49
97%
Accurate 2230
<<locked>>
81%
46238
74%
**28
99%
Accurate 2460
<<locked>>
81%
46282
74%
**34
100%
Accurate 2495
<<locked>>
81%
38827
62%
**49
100%
Accurate 2520
<<locked>>
81%
39421
63%
**69
100%
[Accurate 2700]*
<<locked>>
84%
35273
57%
**14
90%
Accurate 4064
<<locked>>
81%
32663
52%
**51
100%
[Accurate 4350]*
<<locked>>
83%
24700
40%
**19
90%
Alliant AR-Comp
<<locked>>
81%
39784
64%
**52
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32256
52%
**44
97%
Alliant Reloder-10x
<<locked>>
81%
48022
77%
**11
100%
Alliant Reloder-15
<<locked>>
81%
34679
56%
**87
96%
[Alliant Reloder-16]*
<<locked>>
83%
26934
43%
**39
90%
[Alliant Reloder-17]*
<<locked>>
81%
27833
45%
**95
93%
[Alliant Reloder-23]*
<<locked>>
91%
24337
39%
**93
90%
Baschieri & Pellagri 106
<<locked>>
81%
49763
80%
**98
100%
Baschieri & Pellagri 107
<<locked>>
81%
37565
60%
**42
96%
Hodgdon BL-C2
<<locked>>
81%
39320
63%
**88
99%
Hodgdon Benchmark
<<locked>>
81%
43337
69%
**52
100%
[Hodgdon CFE223]*
<<locked>>
81%
33025
53%
**87
94%
Hodgdon H322
<<locked>>
81%
43279
69%
**95
100%
Hodgdon H335
<<locked>>
81%
50241
81%
**00
100%
[Hodgdon H380]*
<<locked>>
81%
32735
52%
**41
94%
[Hodgdon H414]*
<<locked>>
85%
32663
52%
**73
90%
[Hodgdon H4350]*
<<locked>>
93%
35157
56%
**70
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
22989
37%
**21
90%
[Hodgdon LVR]*
<<locked>>
82%
27673
44%
**52
90%
[Hodgdon Superperformance]*
<<locked>>
91%
36187
58%
**49
90%
Hodgdon VARGET
<<locked>>
81%
32895
53%
**14
95%
IMR 3031
<<locked>>
81%
35114
56%
**06
100%
IMR 4064
<<locked>>
81%
32532
52%
**05
95%
[IMR 4166 Enduron]*
<<locked>>
81%
33141
53%
**78
90%
IMR 4198
<<locked>>
81%
48588
78%
**78
100%
[IMR 4350]*
<<locked>>
91%
34896
56%
**64
90%
[IMR 4451 Enduron]*
<<locked>>
83%
32735
52%
**98
90%
[IMR 4831]*
<<locked>>
86%
25048
40%
**03
90%
IMR 4895
<<locked>>
81%
35505
57%
**16
97%
IMR 8208 XBR
<<locked>>
81%
40959
66%
**59
99%
Lovex D073.4
<<locked>>
81%
48138
77%
**47
100%
Lovex D073.5
<<locked>>
81%
45730
73%
**28
100%
Lovex D073.6
<<locked>>
81%
37072
59%
**33
100%
Lovex S060
<<locked>>
81%
39885
64%
**00
98%
Lovex S062
<<locked>>
81%
34534
55%
**57
98%
[Lovex S065]*
<<locked>>
82%
28703
46%
**26
90%
[Lovex S070]*
<<locked>>
87%
31372
50%
**05
90%
Norma 201
<<locked>>
81%
38159
61%
**10
99%
Norma 202
<<locked>>
81%
38305
61%
**23
100%
Norma 203B
<<locked>>
81%
34200
55%
**80
96%
[Norma URP]*
<<locked>>
82%
25918
42%
**23
90%
Ramshot Big Game
<<locked>>
81%
33547
54%
**83
96%
[Ramshot Hunter]*
<<locked>>
88%
30719
49%
**34
90%
Ramshot TAC
<<locked>>
81%
40915
66%
**56
96%
Ramshot Wild Boar
<<locked>>
81%
39784
64%
**75
98%
Ramshot X-Terminator
<<locked>>
81%
44411
71%
**98
99%
ReloadSwiss RS 40
<<locked>>
81%
46064
74%
**31
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33330
53%
**24
92%
ReloadSwiss RS 52
<<locked>>
81%
32619
52%
**90
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
27195
44%
**78
94%
[ReloadSwiss RS 62]*
<<locked>>
85%
26948
43%
**72
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
30792
49%
**44
90%
Rottweil R 901
<<locked>>
81%
42221
68%
**52
100%
Rottweil R 902
<<locked>>
81%
36216
58%
**67
98%
Rottweil R 903
<<locked>>
81%
29443
47%
**91
96%
[Rottweil R 907]*
<<locked>>
86%
34142
55%
**28
90%
SNPE Vectan SP 10
<<locked>>
81%
51285
82%
**06
100%
SNPE Vectan SP 11
<<locked>>
81%
30893
50%
**34
95%
SNPE Vectan SP 7
<<locked>>
81%
38638
62%
**29
96%
SNPE Vectan SP 9
<<locked>>
81%
37565
60%
**23
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
39813
64%
**73
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32605
52%
**69
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
31575
51%
**72
90%
[Shooters World Long Rifle]*
<<locked>>
82%
28703
46%
**26
90%
Shooters World Match Rifle
<<locked>>
81%
37072
59%
**33
100%
Shooters World Precision
<<locked>>
81%
34534
55%
**57
98%
Shooters World Tactical Rifle
<<locked>>
81%
48631
78%
**38
100%
Somchem S321
<<locked>>
81%
43845
70%
**21
100%
Somchem S335
<<locked>>
81%
39247
63%
**80
100%
Somchem S341
<<locked>>
81%
38319
61%
**33
97%
Somchem S355
<<locked>>
81%
30618
49%
**98
96%
[Somchem S365]*
<<locked>>
81%
22133
35%
**41
91%
Vihtavuori N130
<<locked>>
81%
44657
72%
**29
100%
Vihtavuori N133
<<locked>>
81%
37478
60%
**41
100%
Vihtavuori N135
<<locked>>
81%
29805
48%
**62
100%
Vihtavuori N140
<<locked>>
81%
35737
57%
**67
100%
Vihtavuori N150
<<locked>>
81%
26179
42%
**83
95%
[Vihtavuori N160]*
<<locked>>
81%
26934
43%
**16
91%
Vihtavuori N530
<<locked>>
81%
42844
69%
**95
99%
Vihtavuori N540
<<locked>>
81%
35230
56%
**77
100%
[Vihtavuori N550]*
<<locked>>
81%
27151
44%
**59
91%
[Vihtavuori N555]*
<<locked>>
90%
24801
40%
**46
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26237
42%
**77
93%
Winchester 748
<<locked>>
81%
42670
68%
**34
100%
[Winchester 760]*
<<locked>>
85%
32663
52%
**73
90%
Winchester StaBALL Match
<<locked>>
81%
45876
74%
**77
99%

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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