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.38/.45 Clerke
Type Pistol
Place of origin USA
Production history
Designer Bo Clerke
Designed 1963
Manufacturer Armory Gunshop
Specifications
Parent case .45 ACP
Case type Rimless, bottleneck
Bullet diameter .357 in (Bad rounding hereScript error mm)
Base diameter .470 in (Bad rounding hereScript error mm)
Rim diameter .471 in (Bad rounding hereScript error mm)
Rim thickness .050 in (Bad rounding hereScript error mm)
Case length .880 in (Bad rounding hereScript error mm)
Overall length 1.22 in (Bad rounding hereScript error mm)
Primer type large pistol
Ballistic performance
Bullet weight/type Velocity Energy
130 gr (Bad rounding hereScript error g) FMJ1,245 ft/s (Bad rounding hereScript error m/s)445 ft·lbf (Bad rounding hereScript error J)

The .38/.45 Clerke (pronounced "clark"), aka .38/.45 Auto Pistol or .45/.38 Auto Pistol is a wildcat semi-automatic pistol cartridge developed by Bo Clerke and introduced in Guns & Ammo in 1963.[1]

History and designEdit

It is essentially a .45 ACP case, necked down to .357, resulting in a cartridge similar in form to the earlier .30 Parabellum and .30 Mauser cartridges. It was created to be a low recoil target cartridge that would function reliably with multiple bullet types, FMJ to cast lead wadcutters without the feeding problems that straight walled pistol rounds sometimes exhibit.[2] The cartridge can be used in standard .45 ACP magazines.[3]

The .38 Casull followed the same formula as the .38/.45 Clerke, but with thicker case walls as in the .45 Winchester Magnum.[4][5]

Ammunition and HandloadingEdit

Brass .45 ACP cases can be resized to handload .38/45 Auto cartridges [6] using form and sizer dies still available from the RCBS Corporation, p/n 56468.

Nearly any 45ACP 1911 pistol can be converted to the 38/45 cartridge with a replacement barrel, from a 38 Super barrel reamed out to .38/45 dimensions,[1][3] and during the rounds initial popularity, drop-in barrels were available from makers like Bar-Sto.

Related roundsEdit

See alsoEdit

ReferencesEdit

External linksEdit


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