All prices are flexible, these all include shipping. Buy multiple items and I'll knock down the prices a bit. All parts show little wear on them and are all in good working order.
Stock Maruzen APS2 SV (receiver, stock, outer barrel, stock cylinder unit, stock trigger, no bolt handle) - $100
KA Silencer Adapter for APS2 - $20
3 point sling - $20
M4 parts -
CA Crane Stock - $70
Crane Stock Battery 9.6v 2400mAh - $30
G&P Special Forces Metal Body - $100
363mm Madbull Tightbore - $25
Systema Hop Up Chamber - $35
Systema Complete Mechbox with PDI 170% spring $180
Guarder Pistol Grip $7
Stock Maruzen APS2 SV (receiver, stock, outer barrel, stock cylinder unit, stock trigger, no bolt handle) - $100
KA Silencer Adapter for APS2 - $20
3 point sling - $20

M4 parts -
CA Crane Stock - $70
Crane Stock Battery 9.6v 2400mAh - $30
G&P Special Forces Metal Body - $100
363mm Madbull Tightbore - $25
Systema Hop Up Chamber - $35
Systema Complete Mechbox with PDI 170% spring $180
Guarder Pistol Grip $7
