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Load data for .33 Nosler + .338 | 250gr | Barnes MRX BT

Recommended Powder(s):

.33 Nosler + .338 | 250gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Barnes MRX BT
Manufacturer SKU:
33869
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.452" | 36.9mm
Caliber:
.33 Nosler load data
Case Length (l3):
2.460" | 62.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
96.0 Grains of Water | 6.23 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B680_C439
Last updated:
2026-01-21
Recommended Twist Rate:
1:14 - 1:11

Load data for 184 loads in caliber .33 Nosler with .338 | 250gr | Barnes MRX BT bullet and 92 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".

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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 AR 2208
88%
90%
100%
ADI AR 2209
97%
83%
99%
ADI AR 2213
97%
75%
96%
ADI AR 2225
97%
49%
93%
Accurate 2700
88%
89%
99%
Accurate 3100
97%
74%
99%
Accurate 4064
86%
89%
100%
Accurate 4350
93%
90%
100%
Accurate MAGPRO
97%
72%
94%
Alliant Power Pro 2000-MR
84%
89%
100%
Alliant Reloder- TS 15.5
87%
90%
100%
Alliant Reloder-15
85%
90%
100%
Alliant Reloder-16
95%
89%
100%
Alliant Reloder-17
90%
90%
100%
Alliant Reloder-19
97%
83%
99%
Alliant Reloder-22
97%
73%
98%
Alliant Reloder-23
97%
69%
100%
Alliant Reloder-25
97%
60%
99%
Alliant Reloder-26
97%
78%
100%
Baschieri & Pellagri 109
97%
75%
92%
Bofors RP15
97%
68%
97%
Bofors RP3
87%
90%
100%
Bofors RP30
97%
55%
93%
Bofors RP5
97%
73%
98%
Bofors RP7
91%
89%
100%
Hodgdon CFE223
85%
90%
100%
Hodgdon H380
87%
90%
100%
Hodgdon H414
89%
89%
100%
Hodgdon H4350
96%
90%
100%
Hodgdon H4831
97%
70%
95%
Hodgdon H4831 SC
97%
78%
96%
Hodgdon Hybrid 100V
97%
89%
100%
Hodgdon LVR
92%
89%
100%
Hodgdon Retumbo
97%
49%
93%
Hodgdon Superperformance
92%
90%
100%
Hodgdon VARGET
88%
89%
100%
IMR 3031
84%
89%
100%
IMR 4064
88%
89%
100%
IMR 4166 Enduron
89%
90%
100%
IMR 4350
95%
90%
100%
IMR 4451 Enduron
90%
89%
100%
IMR 4831
97%
84%
100%
IMR 4895
84%
90%
100%
IMR 4955 Enduron
97%
78%
96%
IMR 7828 SSC
97%
78%
97%
Lovex S060
83%
90%
100%
Lovex S062
86%
89%
100%
Lovex S065
92%
90%
100%
Lovex S070
93%
89%
100%
Lovex S071
97%
62%
98%
Norma 201
83%
90%
100%
Norma 203B
86%
90%
100%
Norma 204
94%
89%
99%
Norma MRP
97%
77%
99%
Norma URP
94%
90%
100%
Ramshot Big Game
85%
89%
100%
Ramshot Grand
97%
82%
98%
Ramshot Hunter
94%
89%
100%
Ramshot Magnum
97%
70%
98%
ReloadSwiss RS 50
87%
90%
100%
ReloadSwiss RS 60
88%
90%
100%
ReloadSwiss RS 62
93%
89%
100%
ReloadSwiss RS 70
94%
89%
100%
ReloadSwiss RS 76
97%
59%
96%
Rottweil R 902
85%
90%
100%
Rottweil R 903
89%
90%
100%
Rottweil R 904
97%
86%
98%
Rottweil R 905
97%
81%
98%
Rottweil R 907
91%
89%
100%
SNPE Vectan SP 11
88%
89%
100%
SNPE Vectan Tubal 5000
88%
89%
100%
SNPE Vectan Tubal 7000
92%
89%
100%
Shooters World Long Rifle
92%
90%
100%
Shooters World Precision
86%
89%
100%
Somchem S355
89%
90%
100%
Somchem S361
97%
89%
97%
Somchem S365
96%
89%
100%
Somchem S385
97%
82%
99%
Vihtavuori N133
85%
90%
100%
Vihtavuori N135
90%
89%
100%
Vihtavuori N140
85%
89%
100%
Vihtavuori N150
94%
90%
100%
Vihtavuori N160
91%
89%
100%
Vihtavuori N165
97%
69%
97%
Vihtavuori N540
85%
90%
100%
Vihtavuori N550
91%
90%
100%
Vihtavuori N555
97%
78%
100%
Vihtavuori N560
97%
74%
96%
Vihtavuori N565
97%
62%
94%
Winchester 6.5 StaBALL
93%
90%
100%
Winchester 760
89%
89%
100%
Winchester StaBALL HD
97%
60%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47514
73%
***
100%
[ADI AR 2209]*
<<locked>>
81%
32837
51%
***
92%
[ADI AR 2213]*
<<locked>>
85%
33663
52%
***
90%
[ADI AR 2225]*
<<locked>>
93%
28210
43%
***
90%
Accurate 2700
<<locked>>
81%
45672
70%
***
98%
[Accurate 3100]*
<<locked>>
81%
28123
43%
***
94%
Accurate 4064
<<locked>>
81%
50328
77%
***
100%
Accurate 4350
<<locked>>
81%
38421
59%
***
99%
[Accurate MAGPRO]*
<<locked>>
91%
37768
58%
***
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
52620
81%
***
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47892
74%
***
100%
Alliant Reloder-15
<<locked>>
81%
51314
79%
***
100%
Alliant Reloder-16
<<locked>>
81%
37362
58%
***
99%
Alliant Reloder-17
<<locked>>
81%
42322
65%
***
100%
[Alliant Reloder-19]*
<<locked>>
81%
32605
50%
***
92%
[Alliant Reloder-22]*
<<locked>>
81%
28950
45%
***
90%
Alliant Reloder-23
<<locked>>
81%
27441
42%
***
97%
[Alliant Reloder-25]*
<<locked>>
81%
24279
37%
***
90%
Alliant Reloder-26
<<locked>>
81%
29196
45%
***
96%
[Baschieri & Pellagri 109]*
<<locked>>
93%
42859
66%
***
90%
[Bofors RP15]*
<<locked>>
84%
29443
45%
***
90%
Bofors RP3
<<locked>>
81%
48312
74%
***
100%
[Bofors RP30]*
<<locked>>
93%
31372
48%
***
90%
[Bofors RP5]*
<<locked>>
81%
28950
45%
***
90%
Bofors RP7
<<locked>>
81%
42540
65%
***
97%
Hodgdon CFE223
<<locked>>
81%
50488
78%
***
100%
Hodgdon H380
<<locked>>
81%
48588
75%
***
100%
Hodgdon H414
<<locked>>
81%
43932
68%
***
98%
Hodgdon H4350
<<locked>>
81%
36201
56%
***
95%
[Hodgdon H4831]*
<<locked>>
88%
34374
53%
***
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
34374
53%
***
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34983
54%
***
99%
Hodgdon LVR
<<locked>>
81%
41220
63%
***
99%
[Hodgdon Retumbo]*
<<locked>>
93%
28210
43%
***
90%
Hodgdon Superperformance
<<locked>>
81%
39276
60%
***
97%
Hodgdon VARGET
<<locked>>
81%
47195
73%
***
100%
IMR 3031
<<locked>>
81%
52808
81%
***
100%
IMR 4064
<<locked>>
81%
46746
72%
***
100%
IMR 4166 Enduron
<<locked>>
81%
45948
71%
***
98%
IMR 4350
<<locked>>
81%
38203
59%
***
96%
IMR 4451 Enduron
<<locked>>
81%
44048
68%
***
98%
IMR 4831
<<locked>>
81%
33533
52%
***
98%
IMR 4895
<<locked>>
81%
52707
81%
***
100%
[IMR 4955 Enduron]*
<<locked>>
83%
33359
51%
***
90%
[IMR 7828 SSC]*
<<locked>>
85%
33315
51%
***
90%
Lovex S060
<<locked>>
81%
54752
84%
***
100%
Lovex S062
<<locked>>
81%
50212
77%
***
100%
Lovex S065
<<locked>>
81%
41452
64%
***
99%
Lovex S070
<<locked>>
81%
39595
61%
***
97%
[Lovex S071]*
<<locked>>
81%
24120
37%
***
91%
Norma 201
<<locked>>
81%
54708
84%
***
100%
Norma 203B
<<locked>>
81%
50807
78%
***
100%
[Norma 204]*
<<locked>>
81%
37565
58%
***
94%
[Norma MRP]*
<<locked>>
81%
29486
45%
***
92%
Norma URP
<<locked>>
81%
38014
59%
***
99%
Ramshot Big Game
<<locked>>
81%
50966
78%
***
100%
[Ramshot Grand]*
<<locked>>
84%
33170
51%
***
90%
Ramshot Hunter
<<locked>>
81%
36927
57%
***
97%
[Ramshot Magnum]*
<<locked>>
84%
28514
44%
***
90%
ReloadSwiss RS 50
<<locked>>
81%
48834
75%
***
99%
ReloadSwiss RS 60
<<locked>>
81%
44962
69%
***
100%
ReloadSwiss RS 62
<<locked>>
81%
38029
59%
***
99%
ReloadSwiss RS 70
<<locked>>
81%
37028
57%
***
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
28790
44%
***
90%
Rottweil R 902
<<locked>>
81%
51982
80%
***
100%
Rottweil R 903
<<locked>>
81%
45469
70%
***
100%
[Rottweil R 904]*
<<locked>>
81%
33982
52%
***
91%
[Rottweil R 905]*
<<locked>>
81%
31531
49%
***
92%
Rottweil R 907
<<locked>>
81%
42540
65%
***
97%
SNPE Vectan SP 11
<<locked>>
81%
46659
72%
***
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46876
72%
***
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40785
63%
***
97%
Shooters World Long Rifle
<<locked>>
81%
41452
64%
***
99%
Shooters World Precision
<<locked>>
81%
50212
77%
***
100%
Somchem S355
<<locked>>
81%
45818
71%
***
100%
[Somchem S361]*
<<locked>>
81%
34519
53%
***
90%
Somchem S365
<<locked>>
81%
34563
53%
***
100%
[Somchem S385]*
<<locked>>
81%
32097
49%
***
94%
Vihtavuori N133
<<locked>>
81%
52446
81%
***
100%
Vihtavuori N135
<<locked>>
81%
44875
69%
***
100%
Vihtavuori N140
<<locked>>
81%
51851
80%
***
100%
Vihtavuori N150
<<locked>>
81%
39233
60%
***
100%
Vihtavuori N160
<<locked>>
81%
41234
63%
***
99%
[Vihtavuori N165]*
<<locked>>
81%
27267
42%
***
90%
Vihtavuori N540
<<locked>>
81%
51488
79%
***
100%
Vihtavuori N550
<<locked>>
81%
41582
64%
***
99%
Vihtavuori N555
<<locked>>
81%
30182
46%
***
97%
[Vihtavuori N560]*
<<locked>>
86%
33852
52%
***
90%
[Vihtavuori N565]*
<<locked>>
91%
32576
50%
***
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38667
60%
***
100%
Winchester 760
<<locked>>
81%
43932
68%
***
98%
Winchester StaBALL HD
<<locked>>
81%
24149
37%
***
96%

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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