AirPower3D Enigma 117.5mm MultiUse Shoulder Stock Extension - for ActionCam Rig Tray - for Airguns, Airsoft Guns, Foam Dart/Ball Blasters, Paintball Markers - TeleScopix SystemThe length of this extension is shown in the title of this product. We can provide custom length of this extension for your need. Contact us for more details. This extension is part of AirPower3D TeleScopix Shoulder Stock System. The TeleScopix Shoulder Stock System allows you to customize airguns, airsoft guns, foam dart ball blasters, and paintball markers for the perfect height, length, and aesthetics. Build a blaster for maximum ergonomics,