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Load data for .338 Lapua Mag. + .338 | 227gr | CutEdge MTAC

Recommended Powder(s): Accurate 3100, Alliant Reloder-26, Norma MRP, Somchem S385, Winchester StaBALL HD

.338 Lapua Mag. + .338 | 227gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 227gr | CutEdge MTAC
Manufacturer SKU:
MTAC 338 227
Bullet Weight:
227gr | 14.7g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.595" | 40.5mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.693" | 17.6mm
Shank Seated Depth:
0.440" | 11.2mm
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_B8515_C454
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:10

Load data for 142 loads in caliber .338 Lapua Mag. with .338 | 227gr | CutEdge MTAC bullet and 71 powders such as Accurate 3100, Alliant Reloder-26, Norma MRP, Somchem S385, Winchester StaBALL HD. 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. 32 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>>
93%
54404
89%
**18
99%
ADI AR 2213
<<locked>>
97%
54752
90%
**64
98%
[ADI AR 2217]*
<<locked>>
97%
40089
66%
**69
94%
ADI AR 2225
<<locked>>
97%
35143
58%
**20
96%
Accurate 2700
<<locked>>
84%
54795
90%
**07
99%
Accurate 3100 👍
<<locked>>
97%
54302
89%
**66
100%
Accurate 4350
<<locked>>
88%
54520
90%
**92
100%
Accurate MAGPRO
<<locked>>
97%
54027
89%
**58
96%
Alliant Reloder-16
<<locked>>
89%
54505
89%
**28
100%
Alliant Reloder-17
<<locked>>
85%
54143
89%
**25
100%
Alliant Reloder-19
<<locked>>
94%
54752
90%
**18
99%
Alliant Reloder-22
<<locked>>
97%
54317
89%
**54
99%
Alliant Reloder-23
<<locked>>
97%
51735
85%
**82
100%
Alliant Reloder-25
<<locked>>
97%
44817
74%
**26
100%
Alliant Reloder-26 👍
<<locked>>
94%
54752
90%
**10
100%
[Hodgdon H1000]*
<<locked>>
97%
40089
66%
**69
94%
Hodgdon H414
<<locked>>
84%
54447
89%
**12
100%
Hodgdon H4350
<<locked>>
91%
54563
90%
**56
99%
Hodgdon H4831
<<locked>>
97%
50952
84%
**36
97%
Hodgdon H4831 SC
<<locked>>
95%
54288
89%
**92
97%
Hodgdon Hybrid 100V
<<locked>>
91%
54389
89%
**43
100%
Hodgdon LVR
<<locked>>
86%
54447
89%
**82
100%
Hodgdon Retumbo
<<locked>>
97%
35143
58%
**20
96%
Hodgdon Superperformance
<<locked>>
87%
54302
89%
**38
100%
Hodgdon VARGET
<<locked>>
83%
54752
90%
**26
100%
Hodgdon TrailBoss
<<locked>>
96%
34824
57%
**03
100%
IMR 4064
<<locked>>
83%
54317
89%
**13
100%
IMR 4166 Enduron
<<locked>>
84%
54650
90%
**26
100%
IMR 4350
<<locked>>
89%
54259
89%
**56
99%
IMR 4451 Enduron
<<locked>>
85%
54491
89%
**40
100%
IMR 4831
<<locked>>
93%
54433
89%
**76
100%
IMR 4955 Enduron
<<locked>>
96%
54520
89%
**66
98%
IMR 7828 SSC
<<locked>>
96%
54447
89%
**67
98%
Lovex S065
<<locked>>
87%
54215
89%
**36
100%
Lovex S070
<<locked>>
88%
54462
89%
**56
100%
Lovex S071
<<locked>>
97%
45513
75%
**28
99%
Norma 204
<<locked>>
89%
54534
90%
**99
99%
[Norma 217]*
<<locked>>
97%
30806
51%
**28
93%
Norma MRP 👍
<<locked>>
95%
54128
89%
**81
100%
Norma URP
<<locked>>
88%
54128
89%
**82
100%
Ramshot Hunter
<<locked>>
89%
54810
90%
**18
100%
Ramshot Magnum
<<locked>>
97%
52881
87%
**18
99%
ReloadSwiss RS 14
<<locked>>
97%
35853
59%
**49
100%
ReloadSwiss RS 60
<<locked>>
86%
54592
90%
**44
100%
ReloadSwiss RS 62
<<locked>>
88%
54621
90%
**12
100%
ReloadSwiss RS 70
<<locked>>
89%
54273
89%
**54
100%
ReloadSwiss RS 76
<<locked>>
97%
43700
72%
**53
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38827
64%
**21
92%
Rottweil R 903
<<locked>>
84%
54650
90%
**30
100%
Rottweil R 904
<<locked>>
92%
54360
89%
**69
98%
Rottweil R 905
<<locked>>
94%
54462
89%
**15
99%
Rottweil R 907
<<locked>>
86%
54665
90%
**43
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
54302
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
54476
89%
**97
100%
Shooters World Long Rifle
<<locked>>
87%
54215
89%
**36
100%
Somchem S355
<<locked>>
84%
54621
90%
**30
100%
Somchem S361
<<locked>>
92%
54795
90%
**40
97%
Somchem S365
<<locked>>
91%
54694
90%
**99
100%
Somchem S385 👍
<<locked>>
94%
54520
89%
**79
99%
Vihtavuori N135
<<locked>>
85%
54592
90%
**48
100%
Vihtavuori N150
<<locked>>
88%
54273
89%
**84
100%
Vihtavuori N160
<<locked>>
86%
54534
90%
**53
100%
Vihtavuori N165
<<locked>>
97%
50879
84%
**17
99%
Vihtavuori N550
<<locked>>
86%
54505
89%
**89
100%
Vihtavuori N555
<<locked>>
95%
54317
89%
**08
100%
Vihtavuori N560
<<locked>>
97%
54157
89%
**77
98%
Vihtavuori N565
<<locked>>
97%
46108
76%
**20
96%
[Vihtavuori N568]*
<<locked>>
97%
40234
66%
**35
92%
Winchester 6.5 StaBALL
<<locked>>
88%
54781
90%
**30
100%
Winchester 760
<<locked>>
84%
54447
89%
**12
100%
Winchester StaBALL HD 👍
<<locked>>
97%
48051
79%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
36042
59%
**70
94%
[ADI AR 2213]*
<<locked>>
81%
32387
53%
**92
90%
[ADI AR 2217]*
<<locked>>
91%
32619
54%
**88
90%
[ADI AR 2225]*
<<locked>>
89%
27325
45%
**83
90%
Accurate 2700
<<locked>>
81%
49734
82%
**25
99%
Accurate 3100
<<locked>>
81%
31140
51%
**33
96%
Accurate 4350
<<locked>>
81%
42511
70%
**89
100%
[Accurate MAGPRO]*
<<locked>>
86%
36027
59%
**13
90%
Alliant Reloder-16
<<locked>>
81%
41278
68%
**05
100%
Alliant Reloder-17
<<locked>>
81%
47688
78%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
35737
59%
**64
94%
[Alliant Reloder-22]*
<<locked>>
81%
31589
52%
**92
92%
Alliant Reloder-23
<<locked>>
81%
30197
50%
**65
99%
[Alliant Reloder-25]*
<<locked>>
81%
26440
43%
**60
93%
Alliant Reloder-26
<<locked>>
81%
32634
54%
**84
98%
[Hodgdon H1000]*
<<locked>>
91%
32619
54%
**88
90%
Hodgdon H414
<<locked>>
81%
48776
80%
**17
99%
Hodgdon H4350
<<locked>>
81%
39740
65%
**00
97%
[Hodgdon H4831]*
<<locked>>
84%
33025
54%
**69
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33620
55%
**85
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38812
64%
**93
100%
Hodgdon LVR
<<locked>>
81%
45368
74%
**38
100%
[Hodgdon Retumbo]*
<<locked>>
89%
27325
45%
**83
90%
Hodgdon Superperformance
<<locked>>
81%
44208
73%
**64
98%
Hodgdon VARGET
<<locked>>
81%
51300
84%
**77
100%
Hodgdon TrailBoss
<<locked>>
90%
31981
52%
**47
100%
IMR 4064
<<locked>>
81%
50763
83%
**61
100%
IMR 4166 Enduron
<<locked>>
81%
49559
81%
**38
99%
IMR 4350
<<locked>>
81%
41800
69%
**39
97%
IMR 4451 Enduron
<<locked>>
81%
47935
79%
**35
99%
IMR 4831
<<locked>>
81%
37014
61%
**70
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34098
56%
**69
91%
[IMR 7828 SSC]*
<<locked>>
81%
32532
53%
**15
90%
Lovex S065
<<locked>>
81%
45049
74%
**79
99%
Lovex S070
<<locked>>
81%
43294
71%
**69
98%
[Lovex S071]*
<<locked>>
81%
26629
44%
**11
93%
Norma 204
<<locked>>
81%
41495
68%
**69
96%
[Norma 217]*
<<locked>>
93%
27572
45%
**33
90%
Norma MRP
<<locked>>
81%
32808
54%
**54
95%
Norma URP
<<locked>>
81%
42148
69%
**85
100%
Ramshot Hunter
<<locked>>
81%
41075
67%
**82
98%
[Ramshot Magnum]*
<<locked>>
81%
28863
47%
**10
91%
ReloadSwiss RS 14
<<locked>>
86%
30690
50%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
45832
75%
**20
100%
ReloadSwiss RS 62
<<locked>>
81%
42612
70%
**15
100%
ReloadSwiss RS 70
<<locked>>
81%
41162
68%
**25
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
27528
45%
**16
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
34911
57%
**26
90%
Rottweil R 903
<<locked>>
81%
49937
82%
**71
100%
[Rottweil R 904]*
<<locked>>
81%
37550
62%
**51
93%
[Rottweil R 905]*
<<locked>>
81%
34983
57%
**48
94%
Rottweil R 907
<<locked>>
81%
46412
76%
**08
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
50720
83%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43976
72%
**30
98%
Shooters World Long Rifle
<<locked>>
81%
45049
74%
**79
99%
Somchem S355
<<locked>>
81%
50053
82%
**64
100%
[Somchem S361]*
<<locked>>
81%
37985
62%
**41
93%
Somchem S365
<<locked>>
81%
38812
64%
**39
100%
Somchem S385
<<locked>>
81%
35534
58%
**28
95%
Vihtavuori N135
<<locked>>
81%
48791
80%
**66
100%
Vihtavuori N150
<<locked>>
81%
42757
70%
**10
100%
Vihtavuori N160
<<locked>>
81%
45556
75%
**15
100%
[Vihtavuori N165]*
<<locked>>
81%
29588
49%
**80
92%
Vihtavuori N550
<<locked>>
81%
46296
76%
**61
100%
Vihtavuori N555
<<locked>>
81%
33707
55%
**34
99%
[Vihtavuori N560]*
<<locked>>
82%
32764
54%
**34
90%
[Vihtavuori N565]*
<<locked>>
86%
31444
52%
**98
90%
[Vihtavuori N568]*
<<locked>>
94%
35853
59%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42902
70%
**49
100%
Winchester 760
<<locked>>
81%
48776
80%
**17
99%
Winchester StaBALL HD
<<locked>>
81%
24758
41%
**52
98%

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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