can someone give me instructions to build a knex lmg model detailed but few peices plz? ?

i need help to build a knex lmg model w/ details but not so many peices plz instrucions.

try https://www.instructables.com/id/Knex-M60-1/
To be honest, there are no knex LMG instructions on this site. That is where having a picture of the gun you want to make can be helpful, and having an idea of what kind of performance, and the looks you want it to have. For an easy LMG, try a M60 or a MG3.