Your Cart

CUSTOMIZE YOUR
AR-15 BUILD KIT

MILLIONS OF CONFIGURATIONS

SHOP CATEGORIES

OUR BEST SELLERS

CUSTOM Upper receivers

Select parts to build your customized complete upper receiver!

Welcome to Mid State Firearms

Mid State Firearms specializes in offering top-quality Ar15 parts, Upper Receivers, and accessories for sale. We also work to provide you with the best prices on anything you need for home or self-defense. Whether you need a fun range toy or a defense weapon to protect your family, we are here to help. Be sure to browse all of our items and options to customize your upper for your needs.

24/7 Support

Available via call and text

8+ Years in Business

Based in Mississippi

Live Inventory

If it’s in-stock, it’s ready to ship

100% Secure Checkout

Provided by Authorize.net