The AR-15 lower receiver is perhaps the most essential part of your custom AR build...
The AR-15 lower receiver is perhaps the most essential part of your custom AR build. AR lowers are also the only part of the rifle that is considered a firearm and may be subject to regulation. Most commonly made from forged or billet aluminum, lowers can be stripped or complete with lower parts integrated and come in a variety of finishes or coatings to increase durability. Whether you are a novice or experienced gunsmith, you'll find the best AR-15 lower receivers to build out your perfect rifle. Take a look at our amazing AR-15 lowers, in stock and ready to ship!