K'NEX M4A1

The American M4A1 is a legendary firearm that has been in service since 1994. It has been the rifle that for decades US troops have used to take out opposing forces. Many people consider it to be the very best carbine ever created due to its amazing accuracy, reliability, and overall ease of use. Various firearm manufacturers produce civilian models that are all commonly referred to as AR-15's. These weapons give American citizens the ability to defend their loved ones and belongings. This K'NEX replica is a great example of what it is like to hold the iconic carbine.

Below is an approximation for the parts needed to build 1 gun, 1 magazine, 1 pin, and 5 bullets:

Yellow connector: 91

Red connector: 46

White connector: 16

Gray connector: 62

Small (white rod length) blue flexi rod: 4

White rod: 120

Little green rod: 361

Orange connector: 87

Small little black Y clip: 68

Tan clip: 13

Blue rod: 15

Female ball socket: 4

Small little orange 3d connector: 3

Female hinge connector: 12

Male hinge connector: 7

Double connector: 20

Male ball joint: 3

Black rod connector lock out clip: 1

Blue clip: 36

Blue spacer: 26

Yellow rod: 3

Gray endless X rod: 2

Green connector: 11

Blue 3d connector: 14

Black rod end cap: 4

Long black rod or long clear rod: 1

Gray spacer: 14

Red rod: 2

Small black wheel: 4

Small blue gear: 1

Thin large black motorcycle tire: 1

Large black tire: 5

Micro (2 way) purple con: 1 (not needed)

Size 32 or 33 rubber band: 1

Size 16 or 19 rubber band: 3

Size 117b rubber band: 1-3

Follow the tutorial to build a functioning replica of the M4A1 carbine with your K'NEX pieces! Featuring a standard pin firing system, true trigger, 5 round removable magazines, this gun can achieve ranges of 40 feet when using a good pin & rubber-band set up.