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7.21 Firebird (Lazzeroni)

7.21 Firebird (Lazzeroni)

Technical Specifications:

Caliber:
7.21 Firebird (Lazzeroni)
Bullet Diameter:
0.284" | 7.21mm
Primer Size:
Large Rifle Magnum (LRM)
Max. Case Length (l3):
2.800" | 71.12mm
Max. Cartridge Length / OAL:
3.550" | 90.17mm
Max. Standardized :
66717 psi | 4600 bar
Case Capacity:
121.0 Grains of Water | 7.86 cm3
CID:
CID_1103
Letztes Update:
5/7/2024
caliber_reloading.webp
The 7.21 Firebird (also known as the Lazzeroni) is a powerful sporting round developed by Lazzeroni in the early 21st century. It's a belted magnum round based on the 8mm Remington Magnum, but with a significantly larger body diameter and greater case capacity. This cartridge has excellent ballistics with a muzzle velocity of up to 3,500 fps and an energy of 5,000 ft-lbs. This makes it suitable for hunting all types of game from small to large; such as deer, wild boar, elk, moose, and even bear.

The 7.21 Firebird offers an optimal combination of accuracy and stopping power and can be used at distances up to 500 yards – however this means that it can be somewhat punishing to shoot with its high recoil level. As such it might not be ideal for hunters looking for comfortability when shooting or for beginners who are just starting out their hunting journey.

Loads available in this caliber with the following bullets

Filter by weight:

.284 | 156gr | Ferrobull Tripple Expand Jagd
.284 | 140gr | Ferrobull Tripple Expand Jagd
.284 | 150gr Hornady ECX
.284 | 170gr | Sako Hammerhead
.284 | 150gr | Prvi Partizan HP BT
.284 | 130gr | NorthFork Bonded Core
.284 | 139gr | Hasler ARIETE
.284 | 115gr | CutEdge ESP Raptor
.284 | 168gr | Nosler AccuBond Long Range
.284 | 155gr | Geco EXPRESS
.284 | 175gr | Hornady SP
.284 | 152gr | CutEdge Maximus
.284 | 145gr | CutEdge MTH
.284 | 160gr | Rhino Solid Shank
.284 | 139gr | Hornady InterLock FP
.284 | 140gr | Remington PSP
.284 | 152gr | Hasler ARIETE
.284 | 150gr | Nosler Partition SP
.284 | 162gr | Hornady ELD-X
.284 | 150gr | Hornady GMX
0.284 | 130gr | Fox Classic Hunter
.284 | 120gr | Barnes X S
.284 | 180gr | Berger Hybrid Target
.284 | 140gr | Barnes MRX BT
.284 | 140gr | Sierra SBT GameKing
.284 | 140gr | Barnes Solid
.284 | 140gr | Nosler Ballistic Tip
.284 | 130gr | LOS Hunter Tactic
.284 | 157gr | CutEdge MTAC
.284 | 110gr | Impala LWHV LS
.284 | 140gr | Sellier & Bellot FMJ
.284 | 140gr | Nosler Partition SP
.284 | 170gr | Rhino Solid Shank
.284 | 165gr | Geco SOFTPOINT
.284 | 55gr | AERO SOHS,- smax:8.40
.284 | 175gr | Speer TBBC
.284 | 175gr | Remington PSP Core-Lokt
.284 | 175gr | Sierra SBT GameKing
.284 | 184gr | Berger VLD Target
.284 | 132gr | CutEdge Maximus
.284 | 150gr | Berger Classic Hybrid Hunter
.284 | 175gr | Barnes X S
.284 | 160gr | Barnes Solid
.284 | 120gr | Hornady SP
.284 | 150gr | Norma Soft Point
.284 | 154gr | MEN Starkm.
.284 | 150gr | Winchester Powerpoint
.284 | 145gr | Hasler ARIETE
.284 | 160gr | Nosler Partition Gold
.284 | 168gr | Berger VLD Target
.284 | 160gr | CutEdge MTH
.284 | 140gr | Winchester Powerpoint
.284 | 150gr | Hornady ELD-X
.283 | 160gr | Rhino Penetrator
.284 | 125gr | Norma Bonstrike
.284 | 139gr | RWS TMR
.284 | 118gr | CutEdge ESP Raptor
.284 | 140gr | Impala RNFP KO
.284 | 145gr | Speer Grand Slam
.284 | 150gr | Nosler Expansion Tip
.284 | 140gr | Sierra HPBT GameKing
.284 | 130gr | CutEdge ESP Raptor
.284 | 150gr | Brenneke TOG
.284 | 160gr | Norma Tipstrike
.284 | 140gr | Remington Ballistic Tip
.284 | 130gr | Sierra HPBT MatchKing
.284 | 150gr | Barnes X BT
.284 | 127gr | RWS Evolution Green
.284 | 160gr | Speer TBBC
.284 | 162gr | RWS Kegelspitz
.284 | 175gr | Hornady ELD-X
.284 | 100gr | Barnes X S
.284 | 120gr | Hornady V-MAX
.284 | 130gr | AlaskaBulletWorks Kodiak SP SPBC
.284 | 160gr | Sierra SBT GameKing
.284 | 123gr | RWS Kegelspitz
.284 | 140gr | Barnes X BT
.284 | 140gr | AlaskaBulletWorks Kodiak SP SPBC
.284 | 140gr | Barnes TTSX BT
.284 | 100gr | H&N RN HS
.284 | 180gr | Berger VLD Hunting
.284 | 140gr | Nosler AccuBond
.284 | 190gr | Berger Long Range Hybrid Target
.284 | 168gr | Berger Classic Hybrid Hunter
.284 | 170gr | Norma ORYX
.284 | 130gr | Speer Spitzer Soft Point
.284 | 183gr | Sierra HPBT MatchKing
.284 | 175gr | Hornady InterLock RN
.284 | 139gr Hornady CX
.284 | 105gr | AERO ECO,- smax:11.10
.284 | 110gr | Speer HP TNT
.284 | 140gr | Speer TBBC
.284 | 125gr | Hasler ARIETE
.284 | 139gr | Sellier & Bellot SPRN
.284 | 140gr | Nosler Expansion Tip
.284 | 145gr | LOS Hunter Tactic
.283 | 150gr | Rhino Penetrator
.284 | 100gr | Barnes Solid
.284 | 150gr | Lapua ScenarL
.285 | 130gr | LEE Mold C285-130-R
.284 | 162gr | Hornady ELD-Match
.284 | 170gr | Geco SOFTPOINT
.284 | 120gr | Barnes TSX BT
.284 | 159gr | RWS Evolution
.284 | 139gr | Hornady BTSP
.284 | 145gr | Speer Boat Tail Hollow Point
.284 | 140gr | Nosler CT Ballistic Silvertip
.284 | 128gr | IBEX TRD
.284 | 170gr | CutEdge MTH
.284 | 154gr | Norma Soft Point
.284 | 160gr | Speer Boat Tail Soft Point
.284 | 130gr | AERO SOLR,- smax:18.20
.284 | 160gr | Speer Magnum Tip Soft Point
.284 | 160gr | Sierra HPBT GameKing
.284 | 120gr | AERO SB.HSD 1.5 ,- smax:15.10
.284 | 150gr Hornady CX
.284 | 100gr | Sierra HP Varminter
.284 | 160gr | Speer Deep Curl Soft Point
.284 | 160gr | Barnes XLC S
.284 | 120gr | Nosler FN
.284 | 160gr | Nosler CT FailSafe
.284 | 150gr | Nosler SP SolBase
.284 | 171gr | Barnes Match Burner
.284 | 160gr | Nosler AccuBond
.284 | 130gr | Speer FN
.284 | 145gr | Brenneke Teilmantel
.284 | 160gr | Brenneke TAG
.284 | 175gr | Speer Deep Curl Soft Point
.284 | 105gr | AERO SOSR,- smax:14.20
.284 | 150gr | Nosler CT Ballistic Silvertip
.284 | 150gr | Remington PSP Core-Lokt
.284 | 195gr | Berger Elite Hunter
.284 | 130gr | Sierra SP SSPistol
.284 | 180gr | CutEdge MTH
.284 | 192gr | CutEdge MTAC
.284 | 175gr | Berger Elite Hunter
.284 | 168gr | CutEdge MTH
.284 | 160gr | AlaskaBulletWorks Kodiak SP SPBC
.284 | 177gr | RWS ID Classic
.284 | 127gr | Geco ZERO LG
.284 | 175gr | Winchester Powerpoint
.284 | 140gr | Nosler SP SolBase
.284 | 168gr | Nosler Custom Competition
.283 | 140gr | Rhino Penetrator
.284 | 120gr | AERO SUB,- smax:16.90
.284 | 173gr | RWS H-Mantel
.284 | 140gr | AERO SB,- smax:17.20
.284 | 195gr | Barnes SpSP .032
.284 | 180gr | Lapua ScenarL
.284 | 160gr | Nosler Partition SP
.284 | 173gr | Sellier & Bellot SPCE
.284 | 140gr | Barnes X S
.284 | 145gr | Speer Spitzer Soft Point
.284 | 128gr | Brenneke TIG nature
.284 | 165gr | Remington SP Core-Lokt
.284 | 175gr | Barnes TSX BT
.284 | 175gr | Speer Grand Slam
.284 | 150gr | Nosler Ballistic Tip
.284 | 160gr | Barnes MRX BT
.284 | 145gr | Hasler Hunting
.284 | 120gr | Barnes Solid
.284 | 154gr | Hornady SST InterLock
.284 | 150gr | Barnes TTSX BT
.284 | 140gr | Barnes XLC BT
.284 | 120gr | Sierra SPT Pro-Hunter
.284 | 160gr Hornady CX
.284 | 145gr | Barnes LRX BT
.284 | 180gr | Sierra HPBT MatchKing
.284 | 140gr | Sierra SPT Pro-Hunter
.284 | 170gr | Sierra RN Prohunter
.284 | 120gr | Barnes TTSX BT
.284 | 180gr | Hornady ELD-Match
.284 | 135gr | CutEdge ER Raptor
.284 | 154gr | Hornady SP
.284 | 130gr | Speer Boat Tail Soft Point
.284 | 175gr | Nosler AccuBond Long Range
.284 | 180gr | Berger BT Target
.284 | 160gr | NorthFork Bonded Core
.284 | 120gr | Speer Spitzer Soft Point
.284 | 133gr | CutEdge ESP Raptor
.284 | 175gr | Nosler Partition SP
.284 | 160gr | Speer Grand Slam
.284 | 168gr | Barnes LRX BT
.284 | 139gr | MEN SF
.284 | 140gr | Barnes TSX BT
.284 | 150gr | Sierra HPBT MatchKing
0.284 | 145gr | Fox Classic Hunter
.284 | 120gr | Barnes X BT
.284 | 162gr | Hornady SST InterLock
.284 | 160gr | Sierra Tipped MatchKing
.284 | 173gr | RWS TMR
.284 | 150gr | Sierra SBT GameKing
.284 | 156gr | Lapua Naturalis
.284 | 127gr | Geco ZERO
.284 | 162gr | Hornady BTSP
.284 | 120gr | CutEdge ER Raptor
.284 | 150gr | Norma FMJ SemiP
.284 | 168gr | Sierra HPBT MatchKing
.284 | 110gr | Norma Soft Point
.284 | 140gr | Sierra HPBTGK
.284 | 120gr | Nosler Ballistic Tip
.284 | 175gr | Barnes Solid RN
.284 | 140gr | NorthFork Bonded Core
.284 | 170gr | Norma VULKAN
.284 | 145gr | Speer Boat Tail Soft Point
.284 | 158gr | Sellier & Bellot HPC
.284 | 162gr | Hornady A-MAX
.284 | 150gr | RWS Speed Tip Professional
.284 | 130gr | Impala LW CFN
.284 | 155gr | CutEdge MTH
.284 | 127gr | Hasler Hunting
.284 | 139gr | Barnes LRX BT
.284 | 130gr | CutEdge MTH
.284 | 150gr | Rhino Solid Shank
.284 | 140gr | Rhino Solid Shank
.284 | 139gr | Hornady SP
.284 | 139gr | Hornady InterBond
.284 | 162gr | RWS ID Classic
.284 | 140gr | Berger VLD Hunting
.284 | 160gr | Barnes X S
.284 | 130gr | Barnes X BT
.284 | 105gr | IBEX Viper
.284 | 150gr | Barnes TSX BT
.284 | 168gr | Berger VLD Hunting
.284 | 140gr | Barnes BND SPIT-FIRE
.284 | 150gr | Nosler AccuBond Long Range
.284 | 175gr | Speer Magnum Tip Soft Point
.284 | 160gr | H&N RN H
.284 | 158gr | Sellier & Bellot XRG
.284 | 110gr | Barnes TTSX
.284 | 175gr | AlaskaBulletWorks Kodiak PP SPBC
.284 | 154gr | Hornady InterBond
.284 | 156gr | Norma ORYX
.284 | 120gr | AERO SB.HSD 2.0 ,- smax:15.20
.284 | 115gr | Speer Hollow Point
.284 | 160gr | Winchester Silvertip
.284 | 170gr | Geco PLUS
.284 | 175gr | Sierra HPBT MatchKing
.284 | 128gr | Brenneke TUG nature+
.284 | 177gr | Brenneke TIG
.284 | 140gr | Nosler CT FailSafe
.284 | 110gr | Speer MHP
.284 | 185gr | Nosler RDF HPBT
.284 | 180gr | Berger M VLD
.284 | 160gr | Winchester FailSafe
.284 | 150gr | Barnes X S
.284 | 165gr | Sierra Tipped GameKing
.284 | 160gr | Speer Spitzer Soft Point
.284 | 175gr | A-Square MONO RN
.284 | 154gr | Hornady InterLock RN
.284 | 139gr | Hornady GMX
.284 | 162gr | Hornady BTHP
.284 | 160gr | Barnes TSX
.284 | 139gr | Hornady SST InterLock
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