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Load data for .50 BMG (12,7 × 99 mm NATO) + .510 | 440gr | Woodleigh RN SN

Recommended Powder(s): ADI AR 2225, Alliant Reloder-25, Hodgdon Retumbo, ReloadSwiss RS 76

.50 BMG (12,7 × 99 mm NATO) + .510 | 440gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.510 | 440gr | Woodleigh RN SN
Manufacturer SKU:
8
Bullet Weight:
440gr | 28.5g
Bullet Diameter:
0.510" | 12.95mm
Bullet Length:
<<locked>>
Caliber:
.50 BMG (12,7 × 99 mm NATO) load data
Case Length (l3):
3.900" | 99.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
300.0 Grains of Water | 19.48 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
53664 psi | 3700 bar
LID:
LID_B12132_C832
Last updated:
2026-01-20

Load data for 66 loads in caliber .50 BMG (12,7 × 99 mm NATO) with .510 | 440gr | Woodleigh RN SN bullet and 33 powders such as ADI AR 2225, Alliant Reloder-25, Hodgdon Retumbo, ReloadSwiss RS 76. 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 2213
<<locked>>
85%
48225
90%
**79
96%
ADI AR 2217
<<locked>>
93%
48240
90%
**76
97%
ADI AR 2225 👍
<<locked>>
96%
48269
90%
**28
99%
Accurate 3100
<<locked>>
84%
48298
90%
**00
99%
[Accurate MAGPRO]*
<<locked>>
85%
48254
90%
**86
94%
Alliant Reloder-22
<<locked>>
84%
48211
90%
**76
98%
Alliant Reloder-23
<<locked>>
85%
48211
90%
**40
100%
Alliant Reloder-25 👍
<<locked>>
89%
48138
90%
**95
100%
[Alliant Reloder-33]*
<<locked>>
95%
48240
90%
**05
92%
[Baschieri & Pellagri 109]*
<<locked>>
86%
48225
90%
**20
93%
Bofors RP15
<<locked>>
87%
48254
90%
**79
98%
Bofors RP30
<<locked>>
92%
48225
90%
**82
97%
Bofors RP5
<<locked>>
84%
48211
90%
**76
98%
Hodgdon H1000
<<locked>>
93%
48240
90%
**76
97%
Hodgdon H4831
<<locked>>
87%
48269
90%
**33
96%
Hodgdon H4831 SC
<<locked>>
84%
48269
90%
**33
96%
Hodgdon Retumbo 👍
<<locked>>
96%
48269
90%
**28
99%
Hodgdon TrailBoss
<<locked>>
97%
36085
67%
**91
100%
IMR 4955 Enduron
<<locked>>
84%
48211
90%
**07
96%
IMR 7828 SSC
<<locked>>
84%
48225
90%
**86
96%
IMR 8133 Enduron
<<locked>>
97%
45353
85%
**43
96%
Lovex S071
<<locked>>
89%
48298
90%
**00
99%
Norma 217
<<locked>>
97%
45934
86%
**79
98%
Ramshot Magnum
<<locked>>
85%
48037
90%
**49
98%
ReloadSwiss RS 14
<<locked>>
97%
36912
69%
**37
100%
ReloadSwiss RS 76 👍
<<locked>>
90%
48283
90%
**51
99%
ReloadSwiss RS 80
<<locked>>
92%
48022
89%
**09
95%
Vihtavuori N165
<<locked>>
87%
48080
90%
**94
98%
Vihtavuori N560
<<locked>>
84%
48240
90%
**92
96%
Vihtavuori N565
<<locked>>
88%
48225
90%
**59
96%
Vihtavuori N568
<<locked>>
92%
48182
90%
**05
95%
[Vihtavuori N570]*
<<locked>>
93%
48080
90%
**25
92%
Winchester StaBALL HD
<<locked>>
86%
48138
90%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2213]*
<<locked>>
81%
42395
79%
**48
94%
[ADI AR 2217]*
<<locked>>
83%
33301
62%
**08
90%
[ADI AR 2225]*
<<locked>>
81%
28761
54%
**90
90%
Accurate 3100
<<locked>>
81%
42989
80%
**99
99%
[Accurate MAGPRO]*
<<locked>>
81%
42250
79%
**44
92%
Alliant Reloder-22
<<locked>>
81%
43018
80%
**61
96%
Alliant Reloder-23
<<locked>>
81%
41597
78%
**08
100%
Alliant Reloder-25
<<locked>>
81%
35897
67%
**23
97%
[Alliant Reloder-33]*
<<locked>>
92%
42656
79%
**94
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
41263
77%
**62
90%
Bofors RP15
<<locked>>
81%
40001
75%
**92
95%
[Bofors RP30]*
<<locked>>
81%
33417
62%
**38
91%
Bofors RP5
<<locked>>
81%
43018
80%
**61
96%
[Hodgdon H1000]*
<<locked>>
83%
33301
62%
**08
90%
[Hodgdon H4831]*
<<locked>>
81%
39639
74%
**36
93%
Hodgdon H4831 SC
<<locked>>
81%
44309
83%
**54
95%
[Hodgdon Retumbo]*
<<locked>>
81%
28761
54%
**90
90%
Hodgdon TrailBoss
<<locked>>
81%
28645
53%
**18
100%
IMR 4955 Enduron
<<locked>>
81%
43540
81%
**02
95%
IMR 7828 SSC
<<locked>>
81%
43627
81%
**90
95%
[IMR 8133 Enduron]*
<<locked>>
88%
33431
62%
**48
90%
Lovex S071
<<locked>>
81%
36883
69%
**51
97%
[Norma 217]*
<<locked>>
84%
29298
55%
**33
90%
Ramshot Magnum
<<locked>>
81%
40741
76%
**95
96%
ReloadSwiss RS 14
<<locked>>
81%
29385
55%
**60
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
34316
64%
**07
94%
[ReloadSwiss RS 80]*
<<locked>>
85%
36796
69%
**46
90%
Vihtavuori N165
<<locked>>
81%
39943
74%
**23
96%
[Vihtavuori N560]*
<<locked>>
81%
43134
80%
**84
94%
[Vihtavuori N565]*
<<locked>>
81%
37550
70%
**20
92%
[Vihtavuori N568]*
<<locked>>
85%
38189
71%
**69
90%
[Vihtavuori N570]*
<<locked>>
90%
43903
82%
**30
90%
Winchester StaBALL HD
<<locked>>
81%
39407
73%
**44
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.

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

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