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.450 Marlin
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.450 Marlin, left and .458 Winchester Magnum, right
Type Rifle
Place of origin United States
Production history
Designer Hornady and Marlin Firearms
Designed 2000
Manufacturer Hornady
Produced 2000-Present.[1]
Specifications
Parent case .458×2" American
Bullet diameter .458 in (Bad rounding hereScript error mm)
Base diameter .503 in (Bad rounding hereScript error mm)
Rim diameter .528 in (Bad rounding hereScript error mm)
Case length 2.10 in (Bad rounding hereScript error mm)
Overall length 2.55 in (Bad rounding hereScript error mm)
Ballistic performance
Bullet weight/type Velocity Energy
430 gr (Bad rounding hereScript error g) LBT-LFN (Lead Long Flat Nose)1,900 ft/s (Bad rounding hereScript error m/s)3,446 ft·lbf (Bad rounding hereScript error J)
405 gr (Bad rounding hereScript error g) JFN (Copper Jacketed Flat Nose)1,975 ft/s (Bad rounding hereScript error m/s)3,507 ft·lbf (Bad rounding hereScript error J)
350 gr (Bad rounding hereScript error g) JFN2,100 ft/s (Bad rounding hereScript error m/s)3,427 ft·lbf (Bad rounding hereScript error J)
325 gr (Bad rounding hereScript error g) FTX (Hornady Flex Tip Expanding LEVERevolution)2,225 ft/s (Bad rounding hereScript error m/s)3,572 ft·lbf (Bad rounding hereScript error J)
Test barrel length: unknown
Source(s): Buffalo Bore Ammunition,[2] Hornady Ammunition,[3]

The .450 Marlin is a firearms cartridge designed as a modernized equivalent to the venerable .45-70 lever-action cartridge. It was designed by a joint team of Marlin and Hornady engineers headed by Hornady's Mitch Mittelstaedt,[4] and was released in 2000, with cartridges manufactured by Hornady and rifles manufactured by Marlin, mainly the Model 1895M levergun. The Browning BLR is also now available in .450 Marlin chambering. Marlin ceased manufacture of the 1895M rifle in 2009. It is not known if or when this model will be available again.

DesignEdit

While ballistically similar to the .45-70, the .450 Marlin was not developed from the .45-70. Rather, the .450 Marlin was developed from the wildcat .458×2" American, which was based on the .458 Winchester Magnum.[5] This places the .450 Marlin in the .458 Winchester family of cartridges, though it is more easily understood as a "modernized" .45-70.

The belt has been modified to prevent it from chambering in smaller-bore 7mm Magnum or .338 Magnum rifles.[6] The .45-70 and .450 Marlin cannot be cross-chambered, but rifles chambered for the .458x2 can be modified to fire the .450 Marlin.[7]

Visually, the case resembles that of the .458 Winchester Magnum with a wider belt.[8] The cartridge is most useful for hunting big game at short ranges, being accurate at ranges of 150 to 175 yards (Expression error: Unrecognised punctuation character "[". to Expression error: Unrecognised punctuation character "[". m).[5]

See alsoEdit

ReferencesEdit

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