Technical information

Practical A.E.G Upgrade 2006
Page 21 Copyright 2005,06 The AirsoftPRESS (Hong Kong). All rights reserved.
Piston Head Assembly Nozzle
The TM type Piston Head uses the following metal
spacer unit to affix the head to the piston. The stock
spring is also attached to this unit.
Piston Piston Gear
Spring Guide Spring
Version 2 (stock):
Version 3 (w/ ball bearing):
A “regular” type spring:
A Systema type spring (notice the length
and the pitch):