Sig Sauer MCX/MPX Folding Telescoping Stock Polymer (Black) HK417 The corners of the gearbox

The corners of the gearbox that surround the cylinder feature a smooth radius

Name: G&G Piranha TR Gas Blowback Pistol

CREE R2 LED generates 370 lumens of blinding white light and continues producing-level light for more than about 2 hours

Fast rotation twice starts strobe function

A reliable tracer unit that operates on 4x AAA batteries (not included)

Sig Sauer MCX/MPX Folding Telescoping Stock Polymer (Black) HK417 The corners of the gearboxThis is a factory replacement stock for the SIG Sauer MCX MPX. It both folds and telescopes. The stock attaches easily to the firearm receiver via the receiver's 1913 interface. It is made of reinforced polymer material and has sockets for push button QD sling swivels. Reinforced polymer construction Side folds Telescopes Attaches to receiver via 1913 interface Black