Help: GBBR 'ground up' build

[kullwarrior]

Originally Posted by rockafella

two questions:

Is it possible to use HPA (for more consistent shooting) without damaging the gun? -If so what parts would you guys recommend?

Also could someone post what maintenance is required to keep a GBBR working smoothly and properly for the longest amount of time (or a link to the user's maintenance guide)

1) HPA is possible, depends if you want to mod or not. The new scottiedoggie vid invovlves a guy mod his GHK mags to accept HPA. Basically he reloads with a speed loader instead. Otherwise, you can just use an adapter and WA mag to accept HPA, but its not recommand for gaming as the adapter is like a needle into fill valve if you bent it chances are you will destroy both
2) Generally maintaince are purely around bolt carrier group. Outside use silicon grease, inside silicon oil (not too light)

[rockafella]

Hey Kullwarrior; would you recommend using CLP and the same greasing guidelines on these guns? (BTW. thx for the can)

Wondering if someone could post a difinitive parts list for someone wanting to mod a GBBR for use with HPA; ie. soft bolt catch, steel trigger set etc.

[brixx]

try the KJW M4 gbbr very good quality great FPS.