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Load data for 7.21 Firebird (Lazzeroni) + .284 | 159gr | RWS Evolution

Recommended Powder(s): ADI AR 2217, IMR 8133 Enduron, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

7.21 Firebird (Lazzeroni) + .284 | 159gr | RWS Evolution

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 159gr | RWS Evolution
Manufacturer SKU:
2315960
Bullet Weight:
159gr | 10.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.280" | 32.5mm
Caliber:
7.21 Firebird (Lazzeroni) load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.497" | 88.8mm
Seated Depth:
0.583" | 14.8mm
Shank Seated Depth:
0.552" | 14.0mm
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_B5408_C1103
Last updated:
2025-01-01

Load data for 78 loads in caliber 7.21 Firebird (Lazzeroni) with .284 | 159gr | RWS Evolution bullet and 39 powders such as ADI AR 2217, IMR 8133 Enduron, Norma 217, ReloadSwiss RS 80, Vihtavuori N568. 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 2213
<<locked>>
84%
59799
90%
**87
100%
ADI AR 2217 👍
<<locked>>
92%
59770
90%
**64
100%
ADI AR 2218
<<locked>>
95%
59886
90%
**82
99%
ADI AR 2225
<<locked>>
94%
59770
90%
**91
100%
Accurate 3100
<<locked>>
84%
59959
90%
**72
100%
Accurate 8700
<<locked>>
97%
50908
76%
**23
97%
Accurate MAGPRO
<<locked>>
84%
59451
89%
**87
100%
Alliant Reloder-22
<<locked>>
84%
59785
90%
**61
100%
Alliant Reloder-23
<<locked>>
85%
59944
90%
**86
100%
Alliant Reloder-25
<<locked>>
88%
59828
90%
**51
100%
Alliant Reloder-33
<<locked>>
92%
60046
90%
**27
99%
Alliant Reloder-50
<<locked>>
96%
59625
89%
**10
99%
Hodgdon H1000
<<locked>>
92%
59770
90%
**64
100%
Hodgdon H4831
<<locked>>
87%
59495
89%
**28
100%
Hodgdon H4831 SC
<<locked>>
83%
59683
89%
**38
100%
Hodgdon Retumbo
<<locked>>
94%
59770
90%
**91
100%
[Hodgdon US 869]*
<<locked>>
97%
55651
83%
**82
94%
Hodgdon TrailBoss
<<locked>>
97%
36651
55%
**39
100%
IMR 4955 Enduron
<<locked>>
85%
59843
90%
**12
100%
IMR 7977 Enduron
<<locked>>
90%
59988
90%
**92
97%
IMR 8133 Enduron 👍
<<locked>>
96%
59509
89%
**84
100%
Lovex D100
<<locked>>
93%
59930
90%
**09
96%
Lovex S071
<<locked>>
89%
59770
90%
**72
100%
Norma 217 👍
<<locked>>
95%
59350
89%
**74
100%
Ramshot LRT
<<locked>>
96%
59828
90%
**14
95%
Ramshot Magnum
<<locked>>
84%
59843
90%
**28
100%
ReloadSwiss RS 14
<<locked>>
97%
37637
56%
**85
100%
ReloadSwiss RS 76
<<locked>>
87%
59306
89%
**07
100%
ReloadSwiss RS 80 👍
<<locked>>
90%
60002
90%
**14
100%
SNPE Vectan SP 13
<<locked>>
97%
52620
79%
**30
97%
Vihtavuori 20N29
<<locked>>
97%
51068
77%
**17
95%
Vihtavuori 24N41
<<locked>>
96%
59930
90%
**81
95%
Vihtavuori N165
<<locked>>
86%
59625
89%
**79
100%
Vihtavuori N170
<<locked>>
95%
59857
90%
**22
98%
Vihtavuori N560
<<locked>>
83%
59683
89%
**97
100%
Vihtavuori N565
<<locked>>
87%
59524
89%
**61
100%
Vihtavuori N568 👍
<<locked>>
90%
59509
89%
**04
100%
Vihtavuori N570
<<locked>>
91%
60031
90%
**50
99%
Winchester StaBALL HD
<<locked>>
83%
59640
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
54012
81%
**86
100%
ADI AR 2217
<<locked>>
81%
40611
61%
**20
98%
[ADI AR 2218]*
<<locked>>
81%
34867
52%
**38
91%
ADI AR 2225
<<locked>>
81%
37913
57%
**97
100%
Accurate 3100
<<locked>>
81%
54317
81%
**94
100%
[Accurate 8700]*
<<locked>>
86%
33605
50%
**39
90%
Accurate MAGPRO
<<locked>>
81%
54418
82%
**05
99%
Alliant Reloder-22
<<locked>>
81%
54752
82%
**86
100%
Alliant Reloder-23
<<locked>>
81%
53185
80%
**94
100%
Alliant Reloder-25
<<locked>>
81%
47166
71%
**58
100%
[Alliant Reloder-33]*
<<locked>>
81%
39102
59%
**20
94%
[Alliant Reloder-50]*
<<locked>>
81%
34098
51%
**72
90%
Hodgdon H1000
<<locked>>
81%
40611
61%
**20
98%
Hodgdon H4831
<<locked>>
81%
49617
74%
**58
99%
Hodgdon H4831 SC
<<locked>>
81%
55201
83%
**66
100%
Hodgdon Retumbo
<<locked>>
81%
37913
57%
**97
100%
[Hodgdon US 869]*
<<locked>>
90%
44237
66%
**62
90%
Hodgdon TrailBoss
<<locked>>
81%
29138
44%
**75
100%
IMR 4955 Enduron
<<locked>>
81%
52779
79%
**94
100%
[IMR 7977 Enduron]*
<<locked>>
81%
45063
68%
**26
93%
IMR 8133 Enduron
<<locked>>
81%
35259
53%
**05
96%
[Lovex D100]*
<<locked>>
83%
41930
63%
**84
90%
Lovex S071
<<locked>>
81%
46905
70%
**62
100%
Norma 217
<<locked>>
81%
36042
54%
**31
98%
[Ramshot LRT]*
<<locked>>
87%
44498
67%
**22
90%
Ramshot Magnum
<<locked>>
81%
53780
81%
**43
100%
ReloadSwiss RS 14
<<locked>>
81%
30081
45%
**18
100%
ReloadSwiss RS 76
<<locked>>
81%
46905
70%
**00
100%
ReloadSwiss RS 80
<<locked>>
81%
43018
64%
**92
97%
[SNPE Vectan SP 13]*
<<locked>>
84%
34055
51%
**30
90%
[Vihtavuori 20N29]*
<<locked>>
89%
38638
58%
**44
90%
[Vihtavuori 24N41]*
<<locked>>
87%
44614
67%
**89
90%
Vihtavuori N165
<<locked>>
81%
49937
75%
**31
100%
[Vihtavuori N170]*
<<locked>>
81%
38508
58%
**18
92%
Vihtavuori N560
<<locked>>
81%
55143
83%
**15
100%
Vihtavuori N565
<<locked>>
81%
48747
73%
**74
99%
Vihtavuori N568
<<locked>>
81%
43845
66%
**15
97%
[Vihtavuori N570]*
<<locked>>
81%
42163
63%
**95
94%
Winchester StaBALL HD
<<locked>>
81%
54723
82%
**82
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.

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