This butt stock is made of polyfiber. It comes with Mil-STD 1913 Picatinny Rail on both side allow you to mount accessories on the butt stock. It comes with retractable function, rubber rear cover and fixed sling mount. It is fully compatible with aftermarket airsoft guns using M4 buffer tube system
Selling Points:
- 6 position retractable butt stock
- Tactical Rail on both sides
- Sling mount is included
