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LARGE CALIBER AMMUNITION

105mm M940 TP-T

LARGE CALIBER AMMUNITION

105mm M940 TP-T

105mm M490 TP-T

Target Practice – Tracer
Purpose: The 105mm M490 TP-T cartridge is for use in 105mm gun cannons for training in marksmanship.

Description: The cartridge is similar in external appearance and ballistically similar to the M456 HEAT-T cartridge. The projectile consists of a steel body, an aluminum standoff spike, and a boom and fin assembly with tracer. The cartridge case is filled with loosely packed propellant and is fitted with an electronic primer.

Operation: The electrically initiated primer ignites the propelling charge. Gases produced by the burning propellant propel the projectile from the gun and ignite the tracer, which burns for a minimum of 2.5 seconds.

105MM M490 TP-T Technical Specifications

Type Classification

Std AMCTC 1103 afd 1963

Complete Round: Weight

45 lb (20.4 kg)

Length

39.0 (990.6 mm)

Cannon used with

M68

Projectile: Body material

Steel

Color

Blue w/white marking

Components: Cartridge case

M148A1B1, M148A1

Propelling charge

M30

Primer

M83

Tracer

M13

Performance: Maximum range

8,207 m (8,975 yd)

Muzzle velocity

1,170 mps (3,850 fps

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