The Flush QD Mount can be installed in most plastic stocks that are hollow and handguards that have a relatively flat section.

Specifications and Features:
Flush QD Mount for plastic stocks or handguards
Low Profile
4 Position, rotation limited
Can be mounted in most hollow plastic stocks
Uses standard QD Swivel (Not included)
Weight: 0.3oz

Installation requirements:
A 1/2" hole must be drilled
Material thickness of less than 1/4"
5/8" wrench
QD Swivel
Permanent thread locker is recommended