Description

Glock Field Knife Black Serrated / Saw Back  Generic Glock Picture Only
GLOCK Field knife FM 81

In addition to the convincing characteristics of the FM 78, the field knife FM 81 is equipped with a sturdy saw at the back of the blade and a polymer sheath.

WEIGHT:  202 g / 7.13 oz
BLADE:  Spring steel HRC ~55, electrophoretic coating

The Glock knife is just about bomb proof.  Several U tube videos are available.
.