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Load data for 7.21 Firebird (Lazzeroni) + .284 | 195gr | Berger Elite Hunter

Recommended Powder(s):

7.21 Firebird (Lazzeroni) + .284 | 195gr | Berger Elite Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 195gr | Berger Elite Hunter
Manufacturer SKU:
28550
Bullet Weight:
195gr | 12.6g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7.21 Firebird (Lazzeroni) load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
121.0 Grains of Water | 7.86 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B1052_C1103
Last updated:
2026-01-21
Recommended Twist Rate:
1:9 - 1:7

Load data for 68 loads in caliber 7.21 Firebird (Lazzeroni) with .284 | 195gr | Berger Elite Hunter bullet and 34 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 2217
89%
90%
100%
ADI AR 2218
92%
90%
100%
ADI AR 2225
90%
89%
100%
Accurate 8700
97%
86%
100%
Alliant Reloder-25
85%
89%
100%
Alliant Reloder-33
89%
89%
100%
Alliant Reloder-50
93%
90%
100%
Baschieri & Pellagri 109
84%
90%
100%
Bofors RP15
83%
89%
100%
Bofors RP30
87%
90%
100%
Hodgdon 50BMG
97%
90%
95%
Hodgdon H1000
89%
90%
100%
Hodgdon H4831
84%
90%
100%
Hodgdon Retumbo
90%
89%
100%
Hodgdon US 869
96%
89%
97%
Hodgdon TrailBoss
97%
55%
100%
IMR 7977 Enduron
87%
90%
99%
IMR 8133 Enduron
93%
90%
100%
Lovex D100
90%
90%
98%
Lovex S071
86%
90%
100%
Norma 217
92%
90%
100%
Ramshot LRT
93%
90%
98%
ReloadSwiss RS 14
97%
57%
100%
ReloadSwiss RS 76
84%
90%
100%
ReloadSwiss RS 80
87%
90%
100%
SNPE Vectan SP 13
97%
87%
100%
Shooters World 50 BMG
90%
90%
98%
Vihtavuori 20N29
97%
86%
98%
Vihtavuori 24N41
93%
90%
97%
Vihtavuori N165
84%
89%
100%
Vihtavuori N170
92%
89%
99%
Vihtavuori N565
84%
89%
100%
Vihtavuori N568
87%
89%
100%
Vihtavuori N570
88%
90%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
45281
68%
**95
100%
ADI AR 2218
<<locked>>
81%
39073
59%
**52
96%
ADI AR 2225
<<locked>>
81%
42830
64%
**72
100%
[Accurate 8700]*
<<locked>>
81%
31981
48%
**10
92%
Alliant Reloder-25
<<locked>>
81%
52344
78%
**90
100%
Alliant Reloder-33
<<locked>>
81%
44266
66%
**21
98%
Alliant Reloder-50
<<locked>>
81%
38812
58%
**93
95%
Baschieri & Pellagri 109
<<locked>>
81%
54969
82%
**30
100%
Bofors RP15
<<locked>>
81%
55593
83%
**46
100%
Bofors RP30
<<locked>>
81%
49182
74%
**67
100%
[Hodgdon 50BMG]*
<<locked>>
89%
46021
69%
**12
90%
Hodgdon H1000
<<locked>>
81%
45281
68%
**95
100%
Hodgdon H4831
<<locked>>
81%
53867
81%
**97
100%
Hodgdon Retumbo
<<locked>>
81%
42830
64%
**72
100%
[Hodgdon US 869]*
<<locked>>
83%
37739
57%
**31
90%
Hodgdon TrailBoss
<<locked>>
85%
31082
47%
**44
100%
IMR 7977 Enduron
<<locked>>
81%
48820
73%
**79
96%
IMR 8133 Enduron
<<locked>>
81%
39827
60%
**03
99%
[Lovex D100]*
<<locked>>
81%
43598
65%
**13
94%
Lovex S071
<<locked>>
81%
51256
77%
**95
100%
Norma 217
<<locked>>
81%
40785
61%
**30
100%
[Ramshot LRT]*
<<locked>>
81%
39349
59%
**10
91%
ReloadSwiss RS 14
<<locked>>
81%
30458
46%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
52852
79%
**59
100%
ReloadSwiss RS 80
<<locked>>
81%
48414
73%
**87
100%
[SNPE Vectan SP 13]*
<<locked>>
81%
33982
51%
**39
93%
[Shooters World 50 BMG]*
<<locked>>
81%
43598
65%
**13
94%
[Vihtavuori 20N29]*
<<locked>>
82%
32837
49%
**20
90%
[Vihtavuori 24N41]*
<<locked>>
81%
39581
59%
**80
91%
Vihtavuori N165
<<locked>>
81%
54418
82%
**64
100%
Vihtavuori N170
<<locked>>
81%
42279
63%
**90
96%
Vihtavuori N565
<<locked>>
81%
53838
81%
**26
100%
Vihtavuori N568
<<locked>>
81%
48747
73%
**84
100%
Vihtavuori N570
<<locked>>
81%
47326
71%
**87
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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