Do not approach munitions
under any circumstances
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ID

OSMP163

Date

21 November 2022

Source

Location

Year

Munition Category

Functional use

Tentative Model

Base Colour

Marking Colour

Marking Script

Condition

Mechanical Feature

Guidance

Domain

Calibre

Analyst Note

Whereas many cartridges are of the 'fixed' type—with the propellant charge contained entirely within the cartridge, and the cartridge case crimped around the projectile—the OF-540 artillery gun projectile is a type of 'semi-fixed' ammunition. A round of semi-fixed ammunition is separated into two groups of components: the projectile and fuze; and the cartridge case, primer, and one or more propellant charges. These two component groups are typically combined at the time of loading the gun, or shortly beforehand. The majority of ammunition fired by artillery systems is either semi-fixed or 'separate loading' (see Glossary). (ARES)