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Load data for .338 Lapua Mag. Ackley Improved + .338 | 210gr | Rhino Penetrator

Recommended Powder(s): Alliant Reloder-22, Bofors RP5, IMR 7828 SSC, Norma MRP, Ramshot Grand

.338 Lapua Mag. Ackley Improved + .338 | 210gr | Rhino Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 210gr | Rhino Penetrator
Bullet Weight:
210gr | 13.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Lapua Mag. Ackley Improved load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
124.9 Grains of Water | 8.11 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
69618 psi | 4800 bar
LID:
LID_B5308_C452
Last updated:
2026-02-13

Load data for 150 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 210gr | Rhino Penetrator bullet and 75 powders such as Alliant Reloder-22, Bofors RP5, IMR 7828 SSC, Norma MRP, Ramshot Grand. 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 APS 450
<<locked>>
83%
62497
90%
**79
100%
ADI AR 2209
<<locked>>
92%
62526
90%
**84
100%
ADI AR 2213
<<locked>>
95%
62468
90%
**33
100%
ADI AR 2217
<<locked>>
97%
49371
71%
**97
98%
ADI AR 2225
<<locked>>
97%
44614
64%
**74
99%
Accurate 2700
<<locked>>
83%
62381
90%
**69
100%
Accurate 3100
<<locked>>
95%
62555
90%
**18
100%
Accurate 4350
<<locked>>
86%
61946
89%
**35
100%
Accurate MAGPRO
<<locked>>
95%
62250
89%
**36
99%
Alliant Reloder-16
<<locked>>
88%
62656
90%
**84
100%
Alliant Reloder-17
<<locked>>
83%
62555
90%
**77
100%
Alliant Reloder-19
<<locked>>
92%
62178
89%
**84
100%
Alliant Reloder-22 👍
<<locked>>
95%
62540
90%
**17
100%
Alliant Reloder-23
<<locked>>
96%
62207
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
56376
81%
**38
100%
Alliant Reloder-26
<<locked>>
91%
62555
90%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
46021
66%
**87
93%
Baschieri & Pellagri 109
<<locked>>
96%
62207
89%
**61
98%
Bofors RP15
<<locked>>
97%
61699
89%
**10
100%
Bofors RP30
<<locked>>
97%
52315
75%
**82
99%
Bofors RP5 👍
<<locked>>
95%
62540
90%
**17
100%
Bofors RP7
<<locked>>
85%
62352
90%
**18
100%
Hodgdon H1000
<<locked>>
97%
49371
71%
**97
98%
Hodgdon H4350
<<locked>>
90%
62105
89%
**28
100%
Hodgdon H4831
<<locked>>
97%
61801
89%
**64
99%
Hodgdon H4831 SC
<<locked>>
93%
62178
89%
**61
99%
Hodgdon Hybrid 100V
<<locked>>
90%
62627
90%
**02
100%
Hodgdon LVR
<<locked>>
85%
62192
89%
**41
100%
Hodgdon Retumbo
<<locked>>
97%
44614
64%
**74
99%
Hodgdon Superperformance
<<locked>>
85%
62584
90%
**04
100%
Hodgdon TrailBoss
<<locked>>
96%
35563
51%
**64
100%
IMR 4166 Enduron
<<locked>>
84%
62250
89%
**99
100%
IMR 4350
<<locked>>
88%
62598
90%
**28
100%
IMR 4451 Enduron
<<locked>>
85%
62192
89%
**12
100%
IMR 4831
<<locked>>
91%
62149
89%
**22
100%
IMR 4955 Enduron
<<locked>>
95%
62323
90%
**41
99%
IMR 7828 SSC 👍
<<locked>>
93%
62439
90%
**30
100%
[IMR 7977 Enduron]*
<<locked>>
97%
57246
82%
**07
93%
IMR 8133 Enduron
<<locked>>
97%
40306
58%
**56
95%
Lovex S065
<<locked>>
86%
62569
90%
**99
100%
Lovex S070
<<locked>>
87%
62381
90%
**22
100%
Lovex S071
<<locked>>
97%
56536
81%
**43
100%
Norma 204
<<locked>>
88%
62584
90%
**71
100%
Norma 217
<<locked>>
97%
40567
58%
**85
98%
Norma MRP 👍
<<locked>>
93%
62656
90%
**36
100%
Norma URP
<<locked>>
87%
62656
90%
**41
100%
Ramshot Grand 👍
<<locked>>
91%
62598
90%
**40
100%
Ramshot Hunter
<<locked>>
88%
62555
90%
**71
100%
Ramshot Magnum
<<locked>>
95%
62279
89%
**87
100%
ReloadSwiss RS 14
<<locked>>
97%
36666
53%
**13
100%
ReloadSwiss RS 62
<<locked>>
86%
62598
90%
**58
100%
ReloadSwiss RS 70
<<locked>>
87%
62439
90%
**10
100%
ReloadSwiss RS 76
<<locked>>
97%
56173
81%
**14
100%
ReloadSwiss RS 80
<<locked>>
97%
50923
73%
**89
97%
Rottweil R 904
<<locked>>
91%
62337
90%
**41
99%
Rottweil R 905
<<locked>>
92%
62236
89%
**81
100%
Rottweil R 907
<<locked>>
85%
62352
90%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
62555
90%
**66
100%
Shooters World Long Rifle
<<locked>>
86%
62569
90%
**99
100%
Somchem S361
<<locked>>
90%
62308
89%
**09
99%
Somchem S365
<<locked>>
88%
61989
89%
**28
100%
Somchem S385
<<locked>>
92%
62584
90%
**48
100%
Vihtavuori N135
<<locked>>
84%
62395
90%
**87
100%
Vihtavuori N150
<<locked>>
88%
62033
89%
**33
100%
Vihtavuori N160
<<locked>>
85%
62410
90%
**05
100%
Vihtavuori N165
<<locked>>
97%
61656
89%
**22
100%
Vihtavuori N550
<<locked>>
85%
62555
90%
**45
100%
Vihtavuori N555
<<locked>>
93%
61989
89%
**48
100%
Vihtavuori N560
<<locked>>
94%
62337
90%
**40
99%
Vihtavuori N565
<<locked>>
97%
58929
85%
**64
99%
Vihtavuori N568
<<locked>>
97%
52069
75%
**92
97%
[Vihtavuori N570]*
<<locked>>
97%
49922
72%
**82
94%
Winchester 6.5 StaBALL
<<locked>>
86%
62279
89%
**59
100%
Winchester StaBALL HD
<<locked>>
96%
62294
89%
**50
100%
Winchester Supreme 780
<<locked>>
91%
62569
90%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60365
87%
**52
101%
ADI AR 2209
<<locked>>
81%
43497
62%
**56
97%
[ADI AR 2213]*
<<locked>>
81%
38812
56%
**87
94%
[ADI AR 2217]*
<<locked>>
83%
31024
45%
**70
90%
[ADI AR 2225]*
<<locked>>
81%
26368
38%
**62
90%
Accurate 2700
<<locked>>
81%
58233
84%
**07
100%
Accurate 3100
<<locked>>
81%
39450
57%
**31
99%
Accurate 4350
<<locked>>
81%
52344
75%
**87
100%
[Accurate MAGPRO]*
<<locked>>
81%
38334
55%
**80
92%
Alliant Reloder-16
<<locked>>
81%
50169
72%
**00
100%
Alliant Reloder-17
<<locked>>
81%
58276
84%
**15
100%
Alliant Reloder-19
<<locked>>
81%
43482
62%
**53
97%
Alliant Reloder-22
<<locked>>
81%
39276
56%
**90
96%
Alliant Reloder-23
<<locked>>
81%
38029
55%
**61
100%
Alliant Reloder-25
<<locked>>
81%
32808
47%
**62
97%
Alliant Reloder-26
<<locked>>
81%
42511
61%
**15
100%
[Alliant Reloder-33]*
<<locked>>
93%
39407
57%
**43
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
38566
55%
**02
90%
Bofors RP15
<<locked>>
81%
36666
53%
**35
95%
[Bofors RP30]*
<<locked>>
81%
30240
43%
**84
91%
Bofors RP5
<<locked>>
81%
39276
56%
**90
96%
Bofors RP7
<<locked>>
81%
54244
78%
**97
100%
[Hodgdon H1000]*
<<locked>>
83%
31024
45%
**70
90%
Hodgdon H4350
<<locked>>
81%
47021
68%
**72
99%
[Hodgdon H4831]*
<<locked>>
81%
36535
52%
**85
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
40698
58%
**80
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47268
68%
**79
100%
Hodgdon LVR
<<locked>>
81%
54505
78%
**33
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26368
38%
**62
90%
Hodgdon Superperformance
<<locked>>
81%
54534
78%
**76
100%
Hodgdon TrailBoss
<<locked>>
81%
28456
41%
**06
100%
IMR 4166 Enduron
<<locked>>
81%
57087
82%
**17
100%
IMR 4350
<<locked>>
81%
49458
71%
**22
99%
IMR 4451 Enduron
<<locked>>
81%
55637
80%
**13
100%
IMR 4831
<<locked>>
81%
45034
65%
**46
100%
IMR 4955 Enduron
<<locked>>
81%
40611
58%
**48
95%
IMR 7828 SSC
<<locked>>
81%
39885
57%
**20
95%
[IMR 7977 Enduron]*
<<locked>>
92%
48675
70%
**62
90%
[IMR 8133 Enduron]*
<<locked>>
89%
30835
44%
**13
90%
Lovex S065
<<locked>>
81%
53069
76%
**58
100%
Lovex S070
<<locked>>
81%
51503
74%
**51
100%
Lovex S071
<<locked>>
81%
33910
49%
**03
97%
Norma 204
<<locked>>
81%
49864
72%
**67
99%
[Norma 217]*
<<locked>>
85%
26745
38%
**98
90%
Norma MRP
<<locked>>
81%
41510
60%
**66
98%
Norma URP
<<locked>>
81%
51039
73%
**71
100%
Ramshot Grand
<<locked>>
81%
41872
60%
**79
96%
Ramshot Hunter
<<locked>>
81%
49864
72%
**67
100%
Ramshot Magnum
<<locked>>
81%
36680
53%
**31
96%
ReloadSwiss RS 14
<<locked>>
81%
29196
42%
**52
100%
ReloadSwiss RS 62
<<locked>>
81%
52504
75%
**10
100%
ReloadSwiss RS 70
<<locked>>
81%
50908
73%
**36
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31198
45%
**49
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33750
48%
**02
90%
Rottweil R 904
<<locked>>
81%
44773
64%
**49
97%
Rottweil R 905
<<locked>>
81%
43062
62%
**49
97%
Rottweil R 907
<<locked>>
81%
54244
78%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51880
75%
**05
100%
Shooters World Long Rifle
<<locked>>
81%
53069
76%
**58
100%
Somchem S361
<<locked>>
81%
45730
66%
**33
96%
Somchem S365
<<locked>>
81%
48370
69%
**25
100%
Somchem S385
<<locked>>
81%
43410
62%
**23
98%
Vihtavuori N135
<<locked>>
81%
57029
82%
**22
100%
Vihtavuori N150
<<locked>>
81%
50575
73%
**69
100%
Vihtavuori N160
<<locked>>
81%
54563
78%
**97
100%
Vihtavuori N165
<<locked>>
81%
36840
53%
**75
96%
Vihtavuori N550
<<locked>>
81%
55317
79%
**40
100%
Vihtavuori N555
<<locked>>
81%
42366
61%
**30
100%
[Vihtavuori N560]*
<<locked>>
81%
39378
57%
**17
94%
[Vihtavuori N565]*
<<locked>>
81%
34055
49%
**62
92%
[Vihtavuori N568]*
<<locked>>
86%
34824
50%
**15
90%
[Vihtavuori N570]*
<<locked>>
91%
40654
58%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51764
74%
**25
100%
Winchester StaBALL HD
<<locked>>
81%
34577
50%
**84
100%
Winchester Supreme 780
<<locked>>
81%
43439
62%
**26
97%

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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