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Load data for .50 BMG (12,7 × 99 mm NATO) + .51 | 535gr | Swift A-Frame

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, IMR 8133 Enduron, Norma 217

.50 BMG (12,7 × 99 mm NATO) + .51 | 535gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.510 | 535gr | Swift A-Frame
Bullet Weight:
535gr | 34.7g
Bullet Diameter:
0.510" | 12.95mm
Bullet Length:
1.195" | 30.4mm
Caliber:
.50 BMG (12,7 × 99 mm NATO) load data
Case Length (l3):
3.900" | 99.1mm
Cartridge Length (C.O.L.):
5.368" | 136.4mm
Seated Depth:
-0.273" | -6.9mm
Shank Seated Depth:
-0.273" | -6.9mm
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_B10890_C832
Last updated:
2025-02-02

Load data for 42 loads in caliber .50 BMG (12,7 × 99 mm NATO) with .510 | 535gr | Swift A-Frame bullet and 21 powders such as ADI AR 2225, Hodgdon Retumbo, IMR 8133 Enduron, Norma 217. 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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  • .

    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 2217
<<locked>>
88%
48182
90%
**53
99%
ADI AR 2218
<<locked>>
93%
48182
90%
**35
95%
ADI AR 2225 👍
<<locked>>
91%
48008
89%
**82
100%
[Accurate 8700]*
<<locked>>
97%
45469
85%
**03
94%
Alliant Reloder-25
<<locked>>
84%
48225
90%
**53
100%
Alliant Reloder-33
<<locked>>
89%
48225
90%
**89
95%
Alliant Reloder-50
<<locked>>
93%
48095
90%
**82
95%
Hodgdon H1000
<<locked>>
88%
48182
90%
**53
99%
Hodgdon Retumbo 👍
<<locked>>
91%
48008
89%
**82
100%
Hodgdon TrailBoss
<<locked>>
97%
36608
68%
**18
100%
[IMR 7977 Enduron]*
<<locked>>
85%
48051
90%
**48
92%
IMR 8133 Enduron 👍
<<locked>>
93%
48196
90%
**72
99%
Lovex S071
<<locked>>
84%
48283
90%
**64
100%
Norma 217 👍
<<locked>>
92%
48182
90%
**85
100%
ReloadSwiss RS 14
<<locked>>
97%
37623
70%
**57
100%
ReloadSwiss RS 76
<<locked>>
85%
48037
90%
**22
100%
ReloadSwiss RS 80
<<locked>>
87%
48211
90%
**76
97%
[SNPE Vectan SP 13]*
<<locked>>
97%
47688
89%
**20
94%
[Vihtavuori N170]*
<<locked>>
90%
48153
90%
**84
94%
Vihtavuori N568
<<locked>>
86%
48095
90%
**69
97%
Vihtavuori N570
<<locked>>
87%
48153
90%
**02
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
37623
70%
**26
96%
[ADI AR 2218]*
<<locked>>
85%
37869
71%
**89
90%
ADI AR 2225
<<locked>>
81%
35128
65%
**00
98%
[Accurate 8700]*
<<locked>>
92%
37797
70%
**26
90%
Alliant Reloder-25
<<locked>>
81%
43424
81%
**61
100%
[Alliant Reloder-33]*
<<locked>>
81%
36013
67%
**26
90%
[Alliant Reloder-50]*
<<locked>>
86%
37826
70%
**52
90%
Hodgdon H1000
<<locked>>
81%
37623
70%
**26
96%
Hodgdon Retumbo
<<locked>>
81%
35128
65%
**00
98%
Hodgdon TrailBoss
<<locked>>
81%
29225
54%
**60
100%
[IMR 7977 Enduron]*
<<locked>>
81%
42902
80%
**46
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32750
61%
**25
93%
Lovex S071
<<locked>>
81%
44367
83%
**95
100%
Norma 217
<<locked>>
81%
33359
62%
**64
96%
ReloadSwiss RS 14
<<locked>>
81%
30110
56%
**96
100%
ReloadSwiss RS 76
<<locked>>
81%
42192
79%
**94
100%
[ReloadSwiss RS 80]*
<<locked>>
81%
39262
73%
**92
94%
[SNPE Vectan SP 13]*
<<locked>>
90%
38159
71%
**20
90%
[Vihtavuori N170]*
<<locked>>
83%
38899
72%
**93
90%
[Vihtavuori N568]*
<<locked>>
81%
40190
75%
**08
94%
[Vihtavuori N570]*
<<locked>>
81%
38450
72%
**95
91%

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.

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