Stock up on Sig Ammo at Firearms Alabama — brass-cased and steel-cased ammunition from top manufacturers. Ammunition ships fast (ORM-D ground) to most states. Check local restrictions at checkout; we follow all ATF shipping guidelines. Firearms Alabama is a licensed FFL dealer headquartered in Birmingham, AL, shipping authentic firearms and ammunition to all 50 states with real-time inventory. Every order ships quickly through our licensed Alabama FFL network with secure tracking end-to-end.