XM T01 Telescopic Butt Stock can be filled with a

can be filled with a water bottle (bottle capacity: up to 3 liters )

Battery Interface:  tamiya

Crafted from high quality metal with a stylish black finish

Constructed from durable full nylon

for smoother operation and reduced wear under sustained fire

XM T01 Telescopic Butt Stock can be filled with aThe XM T01 Telescopic Butt Stock is compatible with AEG TTM BD556 MAGPUL Receivers of gel blasters or airsoft guns, as well as with M4A1 Jm Gen9 by removing a ring piece from the Buffer Tube. Crafted with high quality nylon material and metal rod, this PDW style adjustable stock is durable and reliable. Features: Compatible with AEG TTM BD556 MAGPUL Receivers of gel blasters or airsoft guns. Also Compatible with M4A1 Jm Gen9 by Removing a ring piece