I got this from Call Of Duty its based on the M 57 Claymore Firing Device. V4 is larger to accept a wireless remote control and v5 will work with a wire and a 9v battery. 

https://www.youtube.com/watch?v=4BfZIcqK2dI&feature=youtu.be

Where I got the idea from : https://www.youtube.com/watch?v=1tQOJ6husuQ&index=32&list=PLHzA91xICGI7X5rBOZR1mgFsQsseEZ77r



!Don't forget to CHECK OUT my other designs and FOLLOW my daily KooKoo uploads, Enjoy ;)