Price: $39.95 – $44.99 — In stock at 2 retailers.
EMG Zeta Adjustable Stock for M4 AEG Rifles by ICS Features Durable nylon polymer construction Lightweight and compact Unique re-design of some of your favorite MIL-Spec stocks available Designed with a large internal space to house 3-cell or nunchuck style batteries Easy to use spring tension butt pad for quick and easy battery changes without the need of removing the stock Rubberized cheek pad for maximum comfort when looking down the sights Slip resistant and comfortable rubberized butt pad Ambidextrous QD slink points Manufacturer: EMG / ICS