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.308 Marlin Express
Type Rifle
Place of origin USA
Production history
Designer Marlin / Hornady
Manufacturer Hornady
Produced 2007
Specifications
Parent case .307 Winchester
Case type Semi-rimmed, bottleneck
Bullet diameter .308 in (Bad rounding hereScript error mm)
Neck diameter .344 in (Bad rounding hereScript error mm)
Shoulder diameter .454 in (Bad rounding hereScript error mm)
Base diameter .470 in (Bad rounding hereScript error mm)
Rim diameter .508 in (Bad rounding hereScript error mm)
Rim thickness .063 in (Bad rounding hereScript error mm)
Case length 1.910 in (Bad rounding hereScript error mm)
Overall length 2.600 in (Bad rounding hereScript error mm)
Primer type Win. Large Rifle
Ballistic performance
Bullet weight/type Velocity Energy
140 gr (Bad rounding hereScript error g) MonoFlex Tip (Hornady Expanding)2,800 ft/s (Bad rounding hereScript error m/s)2,437 ft·lbf (Bad rounding hereScript error J)
160 gr (Bad rounding hereScript error g) FTX (Hornady Flex Tip Expanding)2,660 ft/s (Bad rounding hereScript error m/s)2,513 ft·lbf (Bad rounding hereScript error J)
Test barrel length: 24 inch
Source(s): 308 Marlin Express LEVERevolution at Hornady web site

The .308 Marlin Express is a cartridge developed in 2007 by Marlin Firearms and Hornady. It is based on the .307 Winchester with a goal to duplicate .308 Winchester performance. The cartridge uses a slightly shorter, semi-rimmed case similar to that of the .220 Swift to function in lever action rifles. As introduced in Hornady's LEVERevolution line of cartridges, it is the highest velocity production cartridge designed for lever action rifles with tubular magazines. It is chambered in Marlin's Model 308MX and 308MXLR rifles using the Marlin Model 336 action.[1]

ComparisonEdit

The .308 Marlin Express was designed to produce performance similar to the .308 Winchester. This would give lever-action hunters improved performance over their .30-30 Winchester rounds. The table below shows how the rounds compare. Note that reloading data for 160-grain (Bad rounding hereScript error g) bullets for some of the cartridges is not available. Extensive loading data for the .308 Marlin Express is available at (Hornady Website Link). This round was designed with an elastomer tip, so that the .308 designed would be safe for the tubular magazine of lever action rifles. This softer tip eliminates the hazards of stacking pointed rounds end to end in a tubular magazine.

.308 Marlin Express comparison
Cartridge Mass Muzzle velocity Muzzle energy
.308 Marlin Express 160 grains (Bad rounding hereScript error g) 2,660 ft/s (Bad rounding hereScript error m/s) 2,513 ft·lbf (Bad rounding hereScript error N·m) [2]
.30-30 Winchester 160 grains (Bad rounding hereScript error g) 2,300 ft/s (Bad rounding hereScript error m/s) 1,880 ft·lbf (Bad rounding hereScript error N·m) [3]
.307 Winchester 150 grains (Bad rounding hereScript error g) 2,693 ft/s (Bad rounding hereScript error m/s) 2,416 ft·lbf (Bad rounding hereScript error N·m) [4]
.307 Winchester 160 grains (Bad rounding hereScript error g) 2,675 ft/s (Bad rounding hereScript error m/s) 2,540 ft·lbf (Bad rounding hereScript error N·m) [5]
.307 Winchester 170 grains (Bad rounding hereScript error g) 2,570 ft/s (Bad rounding hereScript error m/s) 2,494 ft·lbf (Bad rounding hereScript error N·m) [4]
.308 Winchester 150 grains (Bad rounding hereScript error g) 2,809 ft/s (Bad rounding hereScript error m/s) 2,629 ft·lbf (Bad rounding hereScript error N·m) [6]
.308 Winchester 160 grains (Bad rounding hereScript error g) 2,770 ft/s (Bad rounding hereScript error m/s) 2,720 ft·lbf (Bad rounding hereScript error N·m) [7]
.308 Winchester 168 grains (Bad rounding hereScript error g) 2,712 ft/s (Bad rounding hereScript error m/s) 2,744 ft·lbf (Bad rounding hereScript error N·m) [6]
.300 Savage 150 grains (Bad rounding hereScript error g) 2,765 ft/s (Bad rounding hereScript error m/s) 2,547 ft·lbf (Bad rounding hereScript error N·m) [8]
.300 Savage 160 grains (Bad rounding hereScript error g) 2,505 ft/s (Bad rounding hereScript error m/s) 2,230 ft·lbf (Bad rounding hereScript error N·m) [9]
.300 Savage 170 grains (Bad rounding hereScript error g) 2,676 ft/s (Bad rounding hereScript error m/s) 2,624 ft·lbf (Bad rounding hereScript error N·m) [8]

Ammunition availabilityEdit

As of 2010, Hornady and Remington remain the only two manufacturers of loaded ammunition in .308 Marlin Express.

See alsoEdit

ReferencesEdit

  1. 308 Marlin Express at Marlin web site
  2. 308 Marlin Express LEVERevolution at Hornady web site
  3. the .30-30 Winchester by Chuck Hawks
  4. 4.0 4.1 .307 Winchester reload data by Accurate Powder
  5. Accuload III Reloading Software - .307 Winchester with 160 gr (Bad rounding hereScript error g) bullet, 44.4 grains (Bad rounding hereScript error g) Varget, 20-inch (Bad rounding hereScript error mm) barrel - AEM Enterprises
  6. 6.0 6.1 .308 Winchester reload data by Accurate
  7. Accuload III Reloading Software - .308 Winchester with 160 gr (Bad rounding hereScript error g) bullet, 45.9 grains (Bad rounding hereScript error g) Reloder 15, 20-inch (Bad rounding hereScript error mm) barrel - AEM Enterprises
  8. 8.0 8.1 .300 Savage reload data by Accurate Powder
  9. Accuload III Reloading Software - .300 Savage with 160 gr (Bad rounding hereScript error g) bullet, 39.1 grains (Bad rounding hereScript error g) Varget, 20-inch (Bad rounding hereScript error mm) barrel - AEM Enterprises

External linksEdit


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