top of page

Load data for .338 Lapua Mag. + .338 | 254gr | CutEdge MTAC

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.338 Lapua Mag. + .338 | 254gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 254gr | CutEdge MTAC
Manufacturer SKU:
MTAC 338 254
Bullet Weight:
254gr | 16.5g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.753" | 44.5mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.851" | 21.6mm
Shank Seated Depth:
0.598" | 15.2mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B8520_C454
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 120 loads in caliber .338 Lapua Mag. with .338 | 254gr | CutEdge MTAC bullet and 60 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905. 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. 30.8 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 2209 👍
<<locked>>
92%
54215
89%
**67
99%
ADI AR 2213
<<locked>>
95%
54766
90%
**20
99%
ADI AR 2217
<<locked>>
97%
42264
69%
**00
97%
ADI AR 2225
<<locked>>
97%
37260
61%
**57
98%
Accurate 3100
<<locked>>
95%
54665
90%
**31
100%
Accurate 4350
<<locked>>
86%
54273
89%
**28
100%
Accurate MAGPRO
<<locked>>
95%
54259
89%
**20
97%
Alliant Reloder-16
<<locked>>
87%
54143
89%
**64
100%
Alliant Reloder-19 👍
<<locked>>
92%
54128
89%
**61
99%
Alliant Reloder-22 👍
<<locked>>
95%
54404
89%
**07
100%
Alliant Reloder-23
<<locked>>
97%
54752
90%
**74
100%
Alliant Reloder-25
<<locked>>
97%
47413
78%
**31
100%
Alliant Reloder-26
<<locked>>
92%
54302
89%
**46
100%
Hodgdon H1000
<<locked>>
97%
42264
69%
**00
97%
Hodgdon H4350
<<locked>>
90%
54621
90%
**15
100%
Hodgdon H4831
<<locked>>
97%
53621
88%
**44
98%
Hodgdon H4831 SC
<<locked>>
94%
54708
90%
**54
98%
Hodgdon Hybrid 100V
<<locked>>
90%
54607
90%
**02
100%
Hodgdon LVR
<<locked>>
85%
54418
89%
**38
100%
Hodgdon Retumbo
<<locked>>
97%
37260
61%
**57
98%
Hodgdon Superperformance
<<locked>>
85%
54302
89%
**87
100%
IMR 4350
<<locked>>
88%
54375
89%
**15
100%
IMR 4451 Enduron
<<locked>>
84%
54723
90%
**02
100%
IMR 4831
<<locked>>
92%
54679
90%
**25
100%
IMR 4955 Enduron
<<locked>>
94%
54505
89%
**21
98%
IMR 7828 SSC
<<locked>>
94%
54302
89%
**17
99%
[IMR 8133 Enduron]*
<<locked>>
97%
33083
54%
**59
93%
Lovex S065
<<locked>>
86%
54636
90%
**89
100%
Lovex S070
<<locked>>
87%
54346
89%
**12
100%
Lovex S071
<<locked>>
97%
48124
79%
**36
100%
Norma 204
<<locked>>
87%
54491
89%
**54
99%
Norma 217
<<locked>>
97%
33257
55%
**85
96%
Norma MRP 👍
<<locked>>
93%
54578
90%
**36
100%
Norma URP
<<locked>>
87%
54360
89%
**31
100%
Ramshot Hunter
<<locked>>
88%
54505
89%
**57
100%
Ramshot Magnum
<<locked>>
96%
54056
89%
**97
100%
ReloadSwiss RS 60
<<locked>>
84%
54215
89%
**87
100%
ReloadSwiss RS 62
<<locked>>
86%
54549
90%
**57
100%
ReloadSwiss RS 70
<<locked>>
87%
54592
90%
**03
100%
ReloadSwiss RS 76
<<locked>>
97%
46195
76%
**71
100%
ReloadSwiss RS 80
<<locked>>
97%
41249
68%
**52
95%
Rottweil R 904
<<locked>>
91%
54578
90%
**25
99%
Rottweil R 905 👍
<<locked>>
92%
54360
89%
**71
100%
Rottweil R 907
<<locked>>
85%
54389
89%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
54360
89%
**56
100%
Shooters World Long Rifle
<<locked>>
86%
54636
90%
**89
100%
Somchem S361
<<locked>>
90%
54418
89%
**98
98%
Somchem S365
<<locked>>
89%
54157
89%
**31
100%
Somchem S385
<<locked>>
92%
54302
89%
**31
100%
Vihtavuori N135
<<locked>>
83%
54708
90%
**90
100%
Vihtavuori N150
<<locked>>
87%
54766
90%
**46
100%
Vihtavuori N160
<<locked>>
85%
54665
90%
**02
100%
Vihtavuori N165
<<locked>>
97%
53490
88%
**12
100%
Vihtavuori N550
<<locked>>
84%
54418
89%
**38
100%
Vihtavuori N555
<<locked>>
93%
54592
90%
**64
100%
Vihtavuori N560
<<locked>>
95%
54534
90%
**36
99%
Vihtavuori N565
<<locked>>
97%
49197
81%
**31
98%
Vihtavuori N568
<<locked>>
97%
42728
70%
**62
95%
Winchester 6.5 StaBALL
<<locked>>
86%
54215
89%
**69
100%
Winchester StaBALL HD
<<locked>>
97%
51866
85%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38072
63%
**88
96%
[ADI AR 2213]*
<<locked>>
81%
33692
55%
**06
93%
[ADI AR 2217]*
<<locked>>
86%
29370
48%
**92
90%
[ADI AR 2225]*
<<locked>>
84%
24758
41%
**00
90%
Accurate 3100
<<locked>>
81%
33286
55%
**60
97%
Accurate 4350
<<locked>>
81%
45179
74%
**93
100%
[Accurate MAGPRO]*
<<locked>>
82%
32967
54%
**16
90%
Alliant Reloder-16
<<locked>>
81%
43569
72%
**00
100%
Alliant Reloder-19
<<locked>>
81%
37840
62%
**79
96%
Alliant Reloder-22
<<locked>>
81%
33402
55%
**20
95%
Alliant Reloder-23
<<locked>>
81%
32097
53%
**90
100%
Alliant Reloder-25
<<locked>>
81%
27978
46%
**05
96%
Alliant Reloder-26
<<locked>>
81%
35041
58%
**21
99%
[Hodgdon H1000]*
<<locked>>
86%
29370
48%
**92
90%
Hodgdon H4350
<<locked>>
81%
41727
69%
**02
98%
[Hodgdon H4831]*
<<locked>>
81%
31705
52%
**21
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
35317
58%
**06
93%
Hodgdon Hybrid 100V
<<locked>>
81%
41002
67%
**95
100%
Hodgdon LVR
<<locked>>
81%
47892
79%
**36
100%
[Hodgdon Retumbo]*
<<locked>>
84%
24758
41%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
46601
76%
**69
99%
IMR 4350
<<locked>>
81%
43961
72%
**48
99%
IMR 4451 Enduron
<<locked>>
81%
50096
82%
**33
100%
IMR 4831
<<locked>>
81%
39001
64%
**75
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35911
59%
**87
94%
[IMR 7828 SSC]*
<<locked>>
81%
34461
57%
**39
93%
[IMR 8133 Enduron]*
<<locked>>
92%
28485
47%
**31
90%
Lovex S065
<<locked>>
81%
47166
77%
**77
100%
Lovex S070
<<locked>>
81%
45498
75%
**67
99%
Lovex S071
<<locked>>
81%
28543
47%
**42
96%
Norma 204
<<locked>>
81%
43700
72%
**80
98%
[Norma 217]*
<<locked>>
88%
24831
41%
**39
90%
Norma MRP
<<locked>>
81%
34925
57%
**79
97%
Norma URP
<<locked>>
81%
44541
73%
**84
100%
Ramshot Hunter
<<locked>>
81%
43352
71%
**84
99%
[Ramshot Magnum]*
<<locked>>
81%
30618
50%
**54
94%
ReloadSwiss RS 60
<<locked>>
81%
48660
80%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
45237
74%
**16
100%
ReloadSwiss RS 70
<<locked>>
81%
43569
72%
**36
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26121
43%
**72
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
31676
52%
**23
90%
Rottweil R 904
<<locked>>
81%
39537
65%
**72
96%
Rottweil R 905
<<locked>>
81%
37173
61%
**69
96%
Rottweil R 907
<<locked>>
81%
48573
80%
**10
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
46238
76%
**31
99%
Shooters World Long Rifle
<<locked>>
81%
47166
77%
**77
100%
Somchem S361
<<locked>>
81%
39871
65%
**56
95%
Somchem S365
<<locked>>
81%
41437
68%
**51
100%
Somchem S385
<<locked>>
81%
37449
61%
**46
97%
Vihtavuori N135
<<locked>>
81%
51010
84%
**44
100%
Vihtavuori N150
<<locked>>
81%
45005
74%
**05
100%
Vihtavuori N160
<<locked>>
81%
48124
79%
**13
100%
Vihtavuori N165
<<locked>>
81%
31415
52%
**11
95%
Vihtavuori N550
<<locked>>
81%
48602
80%
**56
100%
Vihtavuori N555
<<locked>>
81%
35969
59%
**59
100%
[Vihtavuori N560]*
<<locked>>
81%
33576
55%
**36
92%
[Vihtavuori N565]*
<<locked>>
82%
29051
48%
**15
90%
[Vihtavuori N568]*
<<locked>>
89%
33054
54%
**46
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45208
74%
**48
100%
Winchester StaBALL HD
<<locked>>
81%
27253
45%
**93
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.

bottom of page