Knex P90

here is a mini knex p90 i built it has a mech that i have not seen before but if it is out there i give credit to them it has a hopper too.
pros and cons!!

     Pros
     -70ft max range (average is 50ft)    
     -STURDY!!!
     -looks real
     -comfy

     Cons
     -smaller than a real life one