Best AR-9 Build Kit: Your Ultimate Guide to Crafting the Perfect Pistol Caliber Carbine
Understanding the AR-9 Platform: The Foundation of Your Build Upper Receiver The upper receiver, generally made from aluminum, dictates the caliber and overall design. You’ll often find two main types: billet and forged. Billet receivers, machined from a solid block of aluminum, often offer a more refined aesthetic and greater design flexibility. Forged receivers, made … Read more