Build Your Own AR15 Lower Parts Kit

(1 customer review)

From: $1.00

Ever just needed a spring or detent? Maybe even just a random bolt catch? Well now you can! Put together your own lower parts kit or lower build kit and only pay for the parts you need! The basic have already been selected, so please be sure and select or unselect the parts you need or don’t need!


Put together your very own lower parts kit using our parts, or a few other manufacturer’s parts. Pick only the stuff you want or need!

This builder page allows you to pick and choose all the parts for your entire carbine lower build kit if need be. Just know that some items may be listed as back ordered and may cause delays on custom kits going out. Expect custom kits to otherwise ship in a few business days!

New Products added frequently. If you don’t see something you want or need, contact us for a custom quote!


NOTE: For A5 systems please use our BUILD YOUR OWN A5 listing.

1 review for Build Your Own AR15 Lower Parts Kit

  1. Martin Golemme (verified owner)

    I love this service that JTF Con offers, it’s really a no-brainer type deal and I can’t believe JTF is the only place to offer such!

    The range of options for each category is honestly amazing. You would be shopping on 2-4 different sites (LARGE sites) in order to get “everything” in one go, but through this service you get solid discounts, a great range of products for standard, better, or even gucci-all-the-fixings Lower parts.

    Very cool!

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