JUST a warning; I'm on a 'Nam forum full of veterans and seasoned players alike who agree on the A&K M60's quality....or lack thereof.
The BiPod will almost immediately break off. Give it 3 months tope, depending on usage.
EVERYONE on that forum had this happen to them. Every single one. and the replacement part(s) to re-attatch the BiPod are extremely rare, usually customly and privately made.