Gun Parts

The Aero Precision EPC-9 Complete Lower Receiver is the perfect base for your custom AR9 build. This lower receiver comes without a stock/brace giving the builder flexibility to choose exactly...

This Complete Upper includes our Slimline 15 Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile...

This complete upper is Left-Handed and includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight...

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The S-ONE line of...

This bundle gets you our EPC-9 Lower Receiver, a 9mm Bolt Carrier Group and a Magpul PMAG® D-50 magazine drum.

Includes:
EPC-9 Lower Receiver - Anodized Black
9mm Bolt Carrier...

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary attachment...

This Complete Upper includes our Slimline Handguard. The slimline line of handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight while still providing...

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist.

Includes:
M4E1...

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored...