Demolition Block, M112
A staple of military demolition

M112 Demolition Block

The M112 Demolition Block is a staple of  military demolition. It consists of 1.25 pounds of  composition C-4, pressed into a rectangular block  and packaged in a compact, easy to handle, easy  to transport, shrinkwrapped, plastic envelope.

Principal of Operation

The M112 Demolition Block can be used for general  demolition individually, combined with other M112  blocks or broken up and molded into virtually any  shape to conform to irregular surfaces or when less  explosive is desired.


The M112 Demolition Block consists of 1.25 pounds of composition C-4 plastic explosive pressed into a block measuring approximately 1.0 in (2.54 cm) H x 2 in (5.08 cm) W x 11 in (27.9 cm) L and has pressuresensitive adhesive tape attached to one surface. Each block is packaged in a sealed, shrink-wrapped, plastic, OD green envelope.


    • Ordnance disposal
    • Metal cutting
    • Military demolition
    • Breaching



    • VOD: 26378 ft/s (8,040 m/s) (nominal)
    • Density: 0.058 lb/in3 (1.60 g/cc) (minimum)
    • Operating temperature: -40°F to +165°F (-40°C to 74°C)
    • Water resistant
    • Bullet-impact insensitive
    • Size: 1.0 in (2.54 cm) H x 2 in (5.08 cm) W x 11 in(27.9 cm) L