Knex Gun With New Trigger & Sear System




Assault rifle

31 red/dark grey
22 green
14 white/black
10 purple/silver
4 orange/brown
1 tan/dark tan clip
51 yellow/ light grey
16 grey clip
11 special black arm things
2 blue
12 blue spacers

2 black (rigid)
5 grey (flexible)
22 blue
20 white/silver
10 yellow/dark grey
4 red/tan
33 green/black pegs

Step 1: Firing Pin

self explanatory 3 dark grey connectors, 1 rigid black piece and a tan clip

Step 2: Back of Gun

some of the pics a re a little bright sorry about that

Step 3: Handle

enter longer description for this step

Step 4: Trigger

enter longer description for this step

Step 5: Scope & Trigger Slide

enter longer description for this step

Step 6: Barrel

enter longer description for this step

Step 7: Body & Body/ Back of Gun Connector

make 2 of these and you will also need 2 blue rods to connect them

Step 8: Front Handle Grip

Step 9: Putting It All Together

pic 1 attach body/back of gun connector to the body
pic 2 attach sear to the body
pic 3 attach back of gun to body/back of gun connector
pic 4 attach firing pin slide to body and back of gun and insert the firing pin
pic 5 insert trigger
pic 6 attach handle to body
pic 7 attach front handle grip to the barrel
pic 8 attach the front handle grip and barrel to the body
pic 9 attach scope to barrel

Step 10: Attaching Rubberbands

pic 1 wrap rubberband around front of scope
pic 2 wrap the same rubberband from pic 1 to the firing pin
pic 3 wrap another rubberband on the sear as shown
pic 4 wrap the same rubberband from pic 3 as shown

Step 11: This the Sear Sorry About That

enter longer description for this step



    • Toys Contest

      Toys Contest
    • Warm and Fuzzy Contest

      Warm and Fuzzy Contest
    • Safe and Secure Challenge

      Safe and Secure Challenge

    63 Discussions

    Soopah Steve

    10 years ago on Introduction

    I have 3 Q's. Here they are. 1. What is Sears System? 2. How does it work? 3. Are there anymore K'nex trigger systems out there?

    6 replies

    1)It has a lock for the firing pin behind the gun that holds it in place untill the trigger is pulled. 2) look above 3) There are about a gajillion k'nex trigger systems

    DJ RadioWafflicious

    Reply 9 years ago on Introduction

    no, there are just 4. The block trigger, the true trigger, the sear system, and the hammer.


    movie spoiler: the ASR team fails in trying to kill the bad guy, who turns out to be an earthquake...the girl loves him anyway and they get a lot of children. look forward to ASR 2!


    yes, star trek... as far as i know, i'm the only 13 year old guy from our school that watches star trek.