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Load data for .338-06 A-Square + .338 | 225gr | Barnes MRX BT

Recommended Powder(s):

.338-06 A-Square + .338 | 225gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | Barnes MRX BT
Manufacturer SKU:
33867
Bullet Weight:
225gr | 14.6g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.430" | 36.3mm
Caliber:
.338-06 A-Square load data
Case Length (l3):
2.494" | 63.3mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.634" | 16.1mm
Shank Seated Depth:
0.509" | 12.9mm
Case Capacity:
69.0 Grains of Water | 4.48 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63092 psi | 4350 bar
LID:
LID_B674_C467
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 190 loads in caliber .338-06 A-Square with .338 | 225gr | Barnes MRX BT bullet and 95 powder(s). 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. 22.1 fps

  • 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.

    .

    Loading_icon.gif

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>>
96%
56275
89%
**20
99%
ADI AR 2207
<<locked>>
83%
55927
89%
**69
100%
ADI AR 2208
<<locked>>
97%
49182
78%
**98
98%
ADI AR 2219
<<locked>>
87%
56695
90%
**90
100%
Accurate 2015
<<locked>>
92%
56463
89%
**31
100%
Accurate 2200
<<locked>>
93%
55825
88%
**70
98%
Accurate 2230
<<locked>>
89%
55521
88%
**61
100%
Accurate 2460
<<locked>>
90%
56246
89%
**77
100%
Accurate 2495
<<locked>>
95%
55825
88%
**97
100%
Accurate 2520 👍
<<locked>>
94%
56028
89%
**16
100%
[Accurate 2700]*
<<locked>>
97%
47993
76%
**16
92%
Accurate 4064
<<locked>>
97%
48066
76%
**18
100%
[Accurate 4350]*
<<locked>>
97%
35244
56%
**57
94%
Alliant AR-Comp
<<locked>>
95%
56724
90%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
48095
76%
**25
99%
Alliant Reloder-10x
<<locked>>
89%
56086
89%
**34
100%
Alliant Reloder-15
<<locked>>
97%
52141
83%
**84
99%
[Alliant Reloder-16]*
<<locked>>
97%
37246
59%
**64
94%
Alliant Reloder-17
<<locked>>
97%
42221
67%
**05
97%
Baschieri & Pellagri 106
<<locked>>
87%
56449
89%
**92
100%
Baschieri & Pellagri 107
<<locked>>
96%
56086
89%
**30
99%
Hodgdon BL-C2 👍
<<locked>>
94%
56594
90%
**49
100%
Hodgdon Benchmark
<<locked>>
92%
55941
89%
**41
100%
Hodgdon CFE BLK
<<locked>>
84%
56347
89%
**15
100%
Hodgdon CFE223
<<locked>>
97%
50807
81%
**97
98%
Hodgdon H322
<<locked>>
92%
56695
90%
**90
100%
Hodgdon H335
<<locked>>
87%
56724
90%
**00
100%
Hodgdon H380
<<locked>>
97%
49095
78%
**31
97%
[Hodgdon H414]*
<<locked>>
97%
43105
68%
**69
92%
Hodgdon H4198
<<locked>>
85%
55782
88%
**82
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33649
53%
**72
94%
[Hodgdon LVR]*
<<locked>>
97%
40596
64%
**20
94%
Hodgdon VARGET
<<locked>>
97%
48718
77%
**92
98%
IMR 3031
<<locked>>
97%
51329
81%
**67
100%
IMR 4064
<<locked>>
96%
47471
75%
**65
98%
[IMR 4166 Enduron]*
<<locked>>
97%
48414
77%
**39
94%
IMR 4198
<<locked>>
88%
56275
89%
**88
100%
[IMR 4451 Enduron]*
<<locked>>
97%
45324
72%
**26
93%
IMR 4895
<<locked>>
97%
53403
85%
**16
99%
IMR 8208 XBR
<<locked>>
94%
56260
89%
**90
100%
Lovex D073.4
<<locked>>
88%
56492
90%
**67
100%
Lovex D073.5
<<locked>>
90%
56608
90%
**80
100%
Lovex D073.6
<<locked>>
96%
56028
89%
**16
100%
Lovex S060
<<locked>>
95%
55782
88%
**41
99%
Lovex S062
<<locked>>
97%
50981
81%
**31
100%
[Lovex S065]*
<<locked>>
97%
41408
66%
**77
94%
Norma 200
<<locked>>
85%
55956
89%
**05
100%
Norma 201
<<locked>>
97%
56507
90%
**90
100%
Norma 202
<<locked>>
96%
56275
89%
**90
100%
Norma 203B
<<locked>>
97%
51271
81%
**74
99%
[Norma URP]*
<<locked>>
96%
36172
57%
**57
93%
Ramshot Big Game
<<locked>>
96%
50575
80%
**84
99%
Ramshot TAC
<<locked>>
94%
56507
90%
**87
97%
Ramshot Wild Boar 👍
<<locked>>
94%
56318
89%
**26
99%
Ramshot X-Terminator
<<locked>>
91%
56086
89%
**67
99%
ReloadSwiss RS 40
<<locked>>
90%
56420
89%
**84
100%
ReloadSwiss RS 50
<<locked>>
97%
50299
80%
**11
95%
ReloadSwiss RS 52
<<locked>>
97%
49661
79%
**87
100%
ReloadSwiss RS 60
<<locked>>
97%
41046
65%
**88
98%
[ReloadSwiss RS 62]*
<<locked>>
97%
35491
56%
**64
93%
Rottweil R 901
<<locked>>
94%
56086
89%
**61
100%
Rottweil R 902
<<locked>>
97%
53766
85%
**48
100%
Rottweil R 903
<<locked>>
96%
43888
70%
**65
98%
[Rottweil R 907]*
<<locked>>
97%
43323
69%
**90
91%
SNPE Vectan BA6 1/2
<<locked>>
84%
56217
89%
**49
100%
SNPE Vectan SP 10
<<locked>>
86%
55912
89%
**84
100%
SNPE Vectan SP 11
<<locked>>
97%
46296
73%
**28
98%
SNPE Vectan SP 7
<<locked>>
95%
56115
89%
**87
98%
SNPE Vectan SP 9
<<locked>>
97%
56492
90%
**16
99%
SNPE Vectan Tubal 3000
<<locked>>
94%
55724
88%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
48298
77%
**16
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
40495
64%
**28
92%
[Shooters World Long Rifle]*
<<locked>>
97%
41408
66%
**77
94%
Shooters World Match Rifle
<<locked>>
96%
56028
89%
**16
100%
Shooters World Precision
<<locked>>
97%
50981
81%
**31
100%
Shooters World Tactical Rifle
<<locked>>
88%
56550
90%
**51
100%
Somchem S321
<<locked>>
91%
56173
89%
**07
100%
Somchem S335
<<locked>>
96%
56739
90%
**31
100%
Somchem S341
<<locked>>
95%
56420
89%
**03
99%
Somchem S355
<<locked>>
97%
45020
71%
**69
98%
Somchem S365
<<locked>>
97%
32547
52%
**08
96%
Vihtavuori N120
<<locked>>
86%
55825
88%
**23
100%
Vihtavuori N130
<<locked>>
91%
55724
88%
**85
100%
Vihtavuori N133
<<locked>>
97%
54911
87%
**92
100%
Vihtavuori N135
<<locked>>
97%
43076
68%
**00
100%
Vihtavuori N140
<<locked>>
97%
52866
84%
**25
100%
Vihtavuori N150
<<locked>>
97%
38174
61%
**34
98%
Vihtavuori N160
<<locked>>
96%
40016
63%
**90
95%
Vihtavuori N530
<<locked>>
92%
56173
89%
**93
100%
Vihtavuori N540
<<locked>>
97%
52866
84%
**57
100%
Vihtavuori N550
<<locked>>
97%
40190
64%
**36
95%
Winchester 6.5 StaBALL
<<locked>>
97%
39987
63%
**64
97%
Winchester 748 👍
<<locked>>
92%
56347
89%
**39
100%
[Winchester 760]*
<<locked>>
97%
43105
68%
**69
92%
Winchester StaBALL Match
<<locked>>
89%
56159
89%
**26
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
35694
57%
**88
95%
ADI AR 2207
<<locked>>
81%
51648
82%
**20
100%
[ADI AR 2208]*
<<locked>>
81%
30530
48%
**54
92%
ADI AR 2219
<<locked>>
81%
46630
74%
**56
100%
Accurate 2015
<<locked>>
81%
40480
64%
**18
100%
[Accurate 2200]*
<<locked>>
81%
37811
60%
**85
94%
Accurate 2230
<<locked>>
81%
42308
67%
**74
98%
Accurate 2460
<<locked>>
81%
41930
66%
**80
99%
Accurate 2495
<<locked>>
81%
34896
55%
**98
100%
Accurate 2520
<<locked>>
81%
35607
56%
**08
98%
[Accurate 2700]*
<<locked>>
92%
41350
66%
**08
90%
Accurate 4064
<<locked>>
81%
29356
47%
**83
98%
[Accurate 4350]*
<<locked>>
91%
28877
46%
**13
90%
Alliant AR-Comp
<<locked>>
81%
35940
57%
**11
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
29022
46%
**67
94%
Alliant Reloder-10x
<<locked>>
81%
44280
70%
**80
100%
[Alliant Reloder-15]*
<<locked>>
81%
31589
50%
**16
93%
[Alliant Reloder-16]*
<<locked>>
90%
30893
49%
**19
90%
[Alliant Reloder-17]*
<<locked>>
83%
27021
43%
**47
90%
Baschieri & Pellagri 106
<<locked>>
81%
46311
73%
**64
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
34418
55%
**72
93%
Hodgdon BL-C2
<<locked>>
81%
35636
56%
**21
97%
Hodgdon Benchmark
<<locked>>
81%
40089
64%
**05
98%
Hodgdon CFE BLK
<<locked>>
81%
51242
81%
**49
99%
[Hodgdon CFE223]*
<<locked>>
81%
30255
48%
**06
91%
Hodgdon H322
<<locked>>
81%
39668
63%
**47
100%
Hodgdon H335
<<locked>>
81%
46093
73%
**59
100%
[Hodgdon H380]*
<<locked>>
82%
30153
48%
**73
90%
[Hodgdon H414]*
<<locked>>
93%
37855
60%
**70
90%
Hodgdon H4198
<<locked>>
81%
49676
79%
**06
100%
[Hodgdon Hybrid 100V]*
<<locked>>
89%
26455
42%
**95
90%
[Hodgdon LVR]*
<<locked>>
89%
31778
50%
**36
90%
[Hodgdon VARGET]*
<<locked>>
81%
30284
48%
**51
92%
IMR 3031
<<locked>>
81%
31386
50%
**42
99%
[IMR 4064]*
<<locked>>
81%
29733
47%
**31
92%
[IMR 4166 Enduron]*
<<locked>>
88%
38029
60%
**62
90%
IMR 4198
<<locked>>
81%
45121
72%
**51
100%
[IMR 4451 Enduron]*
<<locked>>
91%
38522
61%
**01
90%
[IMR 4895]*
<<locked>>
81%
32314
51%
**46
94%
IMR 8208 XBR
<<locked>>
81%
37695
60%
**05
97%
Lovex D073.4
<<locked>>
81%
43903
70%
**97
99%
Lovex D073.5
<<locked>>
81%
41582
66%
**74
99%
Lovex D073.6
<<locked>>
81%
33475
53%
**69
98%
Lovex S060
<<locked>>
81%
37014
59%
**42
96%
Lovex S062
<<locked>>
81%
31401
50%
**93
95%
[Lovex S065]*
<<locked>>
89%
32996
52%
**10
90%
Norma 200
<<locked>>
81%
50038
79%
**36
100%
Norma 201
<<locked>>
81%
34882
55%
**49
97%
Norma 202
<<locked>>
81%
34708
55%
**62
99%
[Norma 203B]*
<<locked>>
81%
31125
49%
**10
93%
[Norma URP]*
<<locked>>
90%
29994
48%
**10
90%
[Ramshot Big Game]*
<<locked>>
81%
30719
49%
**06
92%
[Ramshot TAC]*
<<locked>>
81%
37710
60%
**92
93%
Ramshot Wild Boar
<<locked>>
81%
36361
58%
**11
95%
Ramshot X-Terminator
<<locked>>
81%
41017
65%
**44
97%
ReloadSwiss RS 40
<<locked>>
81%
42438
67%
**80
99%
[ReloadSwiss RS 50]*
<<locked>>
86%
35273
56%
**56
90%
ReloadSwiss RS 52
<<locked>>
81%
29283
46%
**06
95%
[ReloadSwiss RS 60]*
<<locked>>
83%
26440
42%
**24
90%
[ReloadSwiss RS 62]*
<<locked>>
93%
31198
49%
**62
90%
Rottweil R 901
<<locked>>
81%
38537
61%
**98
99%
Rottweil R 902
<<locked>>
81%
33083
52%
**03
96%
[Rottweil R 903]*
<<locked>>
81%
26368
42%
**08
92%
[Rottweil R 907]*
<<locked>>
93%
39566
63%
**21
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
52156
83%
**03
100%
SNPE Vectan SP 10
<<locked>>
81%
47181
75%
**69
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
28108
45%
**51
91%
[SNPE Vectan SP 7]*
<<locked>>
81%
35259
56%
**59
92%
SNPE Vectan SP 9
<<locked>>
81%
34142
54%
**56
95%
SNPE Vectan Tubal 3000
<<locked>>
81%
36767
58%
**29
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
29791
47%
**08
98%
[SNPE Vectan Tubal 7000]*
<<locked>>
94%
36521
58%
**62
90%
[Shooters World Long Rifle]*
<<locked>>
89%
32996
52%
**10
90%
Shooters World Match Rifle
<<locked>>
81%
33475
53%
**69
98%
Shooters World Precision
<<locked>>
81%
31401
50%
**93
95%
Shooters World Tactical Rifle
<<locked>>
81%
44846
71%
**90
98%
Somchem S321
<<locked>>
81%
40147
64%
**67
98%
Somchem S335
<<locked>>
81%
36172
57%
**29
99%
Somchem S341
<<locked>>
81%
34983
55%
**69
95%
[Somchem S355]*
<<locked>>
81%
27818
44%
**24
92%
[Somchem S365]*
<<locked>>
87%
24294
39%
**82
90%
Vihtavuori N120
<<locked>>
81%
48733
77%
**41
100%
Vihtavuori N130
<<locked>>
81%
40886
65%
**88
100%
Vihtavuori N133
<<locked>>
81%
34243
54%
**90
100%
Vihtavuori N135
<<locked>>
81%
26818
43%
**95
98%
Vihtavuori N140
<<locked>>
81%
32503
52%
**03
98%
[Vihtavuori N150]*
<<locked>>
81%
23772
38%
**06
92%
[Vihtavuori N160]*
<<locked>>
88%
30327
48%
**83
90%
Vihtavuori N530
<<locked>>
81%
39334
62%
**44
98%
Vihtavuori N540
<<locked>>
81%
32155
51%
**19
98%
[Vihtavuori N550]*
<<locked>>
87%
29660
47%
**06
90%
[Winchester 6.5 StaBALL]*
<<locked>>
84%
26426
42%
**59
90%
Winchester 748
<<locked>>
81%
38798
61%
**83
98%
[Winchester 760]*
<<locked>>
93%
37855
60%
**70
90%
Winchester StaBALL Match
<<locked>>
81%
41162
65%
**13
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.

<<locked>>... you need to buy an access license to unlock the data

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