Builder Sets - AR15Discounts
FFL transfer required. Firearms ship to a licensed FFL dealer only. Enter your preferred dealer as the shipping address, or leave it blank and we assign a licensed dealer close to you at no additional cost. Parts, magazines, optics and accessories ship directly to you.
Upgrade your AR-15 build with the Aero Precision M4E1 Builder Set in Arid camo, featuring the Atlas S-One M-LOK handguard for lightweight precision and customizable versatility.
The Aero Precision M4E1 Builder Set in Arid camo is designed for AR-15 enthusiasts looking to elevate their build with premium components. This set includes a forged upper receiver and a matching handguard, both finished in a durable Arid camo coating for a rugged, tactical look. The Atlas S-One M-LOK handguard offers a sleek, lightweight design with M-LOK compatibility, allowing for easy attachment of accessories like grips, lights, and bipods. Perfect for target shooters, hunters, or home defense setups, this builder set combines functionality with aesthetic appeal. The M4E1 upper receiver features an enhanced threaded design for easy installation and a sleek, modern profile. Whether you're building your first AR-15 or upgrading an existing one, this set provides the foundation for a reliable, customizable rifle. Ships directly to your local Tennessee FFL dealer for a smooth, compliant transfer. Start your next build today with TN Guns in Nashville.