The 5KU AEG Folding Stock is a lightweight yet robust stock designed to be compatible with Picatinny rail and is perfect for guns such as the SIG AIR MCX & MPX AEG as well as other airsoft rifles and SMGs with Picatinny rail buttplates.

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Compatibility:

SIG AIR MCX Electric Airsoft Rifle
SIG AIR MPX Electric Airsoft SMG
1913 Picatinny Rails

Includes:

x1 5KU MCX / MPX Minimalist Folding Stock for 1913 Interface

Specifications

Specifications
Country of Manufacture	China
Color	Black
Brand	5KU
Originating Armory	SIG
Model	MCX
Platform	ELECTRIC (AEG)
Replica Type	RIFLE
Net Weight (kg)	0.35
Length (mm)	200.0
Material	Metal

Customer Reviews

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Top Customer Reviews

troger

2025-04-17 02:12:29

Rating

Solid

Although I don't have a brand name Sig stock to compare this to I can say that this "airsoft" version is bulit like a tank. It did take a little while to break in the connection and folding bracket with a little oil but after that it works great. The lockup is nice and solid. Overall a great item and shipping was quick too.

Q&A

Customer Questions