Base is APS Salient Arms international replica new in original box.
Additional parts:
Piston grip + M4 stock tube and RS Magpul stock.
Short barrel treated + combat flash hider
Under barrel short tube
15 C02 Shells + C02 charger
Shell catcher
Original remington belt, can hold 40 shells
MK3 Shells can be filled with bbs up to 20 or 0.68 Paintballs, effective up to 30 meters
Original parts to convert it in SAI long version, including
Fixed stock
Long barrel + long underbarrel
Value is more than 800 GBP