A discarding sabot (10, 100) characterised by being in contact with and enclosing at least a portion of a projectile or payload (66, 106), the sabot (10, 100) having a sealed frontal nose section (30, 114) and a cavity (38, 124) located therebehind, the nose section (30, 114) having at least a portion (42) thereof that is specifically tensioned against aerodynamic forces encountered after firing or lauching such that when air pressure on the tensioned portion (42) overcomes the specific tensioning air pressure enters the cavity (38, 124) thereby promoting the discarding of the sabot (10, 100).
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