This is called an ar15 multi tool. You can probably pick one up around $20.00 to $40.00.
That Leatherman MUT is nothing more than an over priced, fan boy piece of crap. It claims to have a bolt over ride tool. Really? There are plenty of objects in the field you can use to clear a jam. I personally prefer to use the charging handle conveniently attached to my AR... However, if the charging handle doesnt work, you can use pretty much anything to your immagination, other than a $150.00 hook.
I find it hilarious everytime I read all the biast reviews, and see all the sheepish fools drool over this. They claim the carbon scraper is replacable. I wonder how much they want for a replacement part. I bet it aint cheap. I'd like to see someone attempt to replace a part of the MUT 5-10 years from now. Good luck with that. You can buy a carbon scraper for around $3.00. Even funnier are the people wanting this tool that dont even own an AR15, then say the tool is a good excuse for buying an AR... idiots.