top of page

Load data for .338 Lapua Mag. + .338 | 250gr | Hornady BTHP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum

.338 Lapua Mag. + .338 | 250gr | Hornady BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Hornady BTHP
Manufacturer SKU:
33361
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.546" | 39.3mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.644" | 16.4mm
Shank Seated Depth:
0.465" | 11.8mm
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_B2754_C454
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 120 loads in caliber .338 Lapua Mag. with .338 | 250gr | Hornady BTHP bullet and 60 powders such as ADI AR 2209, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum. 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. 31.2 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
90%
90%
100%
ADI AR 2213
93%
89%
99%
ADI AR 2217
97%
74%
98%
ADI AR 2225
97%
66%
99%
Accurate 3100
93%
90%
100%
Accurate 4350
85%
90%
100%
Accurate MAGPRO
94%
89%
98%
Alliant Reloder-16
86%
89%
100%
Alliant Reloder-19
90%
89%
100%
Alliant Reloder-22
93%
89%
100%
Alliant Reloder-23
95%
90%
100%
Alliant Reloder-25
97%
83%
100%
Alliant Reloder-26
90%
89%
100%
Alliant Reloder-33
97%
68%
92%
Hodgdon H1000
97%
74%
98%
Hodgdon H4350
88%
90%
100%
Hodgdon H4831
96%
89%
98%
Hodgdon H4831 SC
92%
89%
98%
Hodgdon Hybrid 100V
88%
89%
100%
Hodgdon LVR
83%
90%
100%
Hodgdon Retumbo
97%
66%
99%
Hodgdon Superperformance
83%
89%
100%
IMR 4350
86%
90%
100%
IMR 4831
89%
89%
100%
IMR 4955 Enduron
93%
89%
99%
IMR 7828 SSC
92%
89%
99%
IMR 7977 Enduron
97%
87%
92%
IMR 8133 Enduron
97%
59%
95%
Lovex S065
84%
89%
100%
Lovex S070
85%
90%
100%
Lovex S071
97%
85%
100%
Norma 204
86%
90%
99%
Norma 217
97%
59%
97%
Norma MRP
92%
90%
100%
Norma URP
85%
90%
100%
Ramshot Hunter
86%
90%
100%
Ramshot Magnum
94%
89%
100%
ReloadSwiss RS 14
96%
60%
100%
ReloadSwiss RS 62
85%
90%
100%
ReloadSwiss RS 70
85%
89%
100%
ReloadSwiss RS 76
97%
81%
100%
ReloadSwiss RS 80
97%
74%
96%
Rottweil R 904
89%
89%
99%
Rottweil R 905
90%
89%
100%
Rottweil R 907
83%
90%
100%
SNPE Vectan Tubal 7000
84%
89%
100%
Shooters World Long Rifle
84%
89%
100%
Somchem S361
89%
89%
98%
Somchem S365
87%
89%
100%
Somchem S385
90%
89%
100%
Vihtavuori N150
86%
90%
100%
Vihtavuori N160
83%
90%
100%
Vihtavuori N165
96%
89%
100%
Vihtavuori N555
91%
89%
100%
Vihtavuori N560
93%
89%
99%
Vihtavuori N565
97%
87%
99%
Vihtavuori N568
97%
76%
96%
Vihtavuori N570
97%
73%
93%
Winchester 6.5 StaBALL
85%
89%
100%
Winchester StaBALL HD
96%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
81%
66%
97%
ADI AR 2213
81%
59%
94%
ADI AR 2217
84%
48%
90%
ADI AR 2225
81%
40%
90%
Accurate 3100
81%
59%
98%
Accurate 4350
81%
79%
100%
Accurate MAGPRO
81%
57%
91%
Alliant Reloder-16
81%
76%
100%
Alliant Reloder-19
81%
66%
97%
Alliant Reloder-22
81%
59%
96%
Alliant Reloder-23
81%
57%
100%
Alliant Reloder-25
81%
50%
97%
Alliant Reloder-26
81%
63%
100%
Alliant Reloder-33
94%
61%
90%
Hodgdon H1000
84%
48%
90%
Hodgdon H4350
81%
72%
99%
Hodgdon H4831
81%
56%
92%
Hodgdon H4831 SC
81%
62%
94%
Hodgdon Hybrid 100V
81%
72%
100%
Hodgdon LVR
81%
83%
100%
Hodgdon Retumbo
81%
40%
90%
Hodgdon Superperformance
81%
82%
100%
IMR 4350
81%
76%
99%
IMR 4831
81%
69%
100%
IMR 4955 Enduron
81%
62%
94%
IMR 7828 SSC
81%
60%
95%
IMR 7977 Enduron
93%
77%
90%
IMR 8133 Enduron
89%
46%
90%
Lovex S065
81%
82%
100%
Lovex S070
81%
79%
100%
Lovex S071
81%
51%
97%
Norma 204
81%
76%
98%
Norma 217
85%
41%
90%
Norma MRP
81%
62%
98%
Norma URP
81%
78%
100%
Ramshot Hunter
81%
76%
100%
Ramshot Magnum
81%
55%
96%
ReloadSwiss RS 14
93%
56%
100%
ReloadSwiss RS 62
81%
79%
100%
ReloadSwiss RS 70
81%
76%
100%
ReloadSwiss RS 76
81%
47%
93%
ReloadSwiss RS 80
87%
52%
90%
Rottweil R 904
81%
68%
96%
Rottweil R 905
81%
65%
97%
Rottweil R 907
81%
84%
100%
SNPE Vectan Tubal 7000
81%
80%
100%
Shooters World Long Rifle
81%
82%
100%
Somchem S361
81%
70%
96%
Somchem S365
81%
73%
100%
Somchem S385
81%
66%
98%
Vihtavuori N150
81%
78%
100%
Vihtavuori N160
81%
83%
100%
Vihtavuori N165
81%
56%
96%
Vihtavuori N555
81%
64%
100%
Vihtavuori N560
81%
59%
94%
Vihtavuori N565
81%
51%
91%
Vihtavuori N568
87%
54%
90%
Vihtavuori N570
92%
63%
90%
Winchester 6.5 StaBALL
81%
79%
100%
Winchester StaBALL HD
81%
50%
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