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105 mm WP M60
On the M60, the adaptor is machined to accept a tubular steel M5 burster casing which extends to the base of the shell body.
The shell filling consists of 1.737 kg of cast WP, althought other smoke-producing substances such as titanium-tetrachloride have been employed.
The shell normally operates on impact when the Piint-Detonating (PD) or Mechanical-Time and SuperQuick (MTSQ) nose fuze initiates a small charge under the fuze which initiates the buster charge.