Mods to Noneedto L69al

you will have to build this gun first
https://www.instructables.com/id/Knex-L96A1-1/ 

Step 1: Mods to the Gun

the old bolt had to much trobule working it so i remade it
i will show you how to make it

Step 2: Grenade Launcher

i add a grenade launcher here tihe link to it
https://www.instructables.com/id/Knex_Button_activated_grenade_launcher/

Step 3: How to Make the New Bolt

it is easy to make this just follow the pic

Step 4: Papercraft Glock 17