please delete

[dexter408]

what are the bennifits?

 

[garrett]

Re: want to build a m4 should i go gas piston?

you got to be kidding...

 

[RONINUSMC]

Re: want to build a m4 should i go gas piston?

well.. let me ask you this? what is your budget?? what is the "m4" going to be used for? plinking? target shooting? comps? home defense?

as for the benefits.. you can do a search, on here and find out that info..