Aero Precision M4E1 Complete Upper .300 AAC Blackout 16 Barrel w/ ATLAS S-ONE

Aero Precision M4E1 Complete Upper Features The 16-inch CMV barrel is built for longevity and accuracy while the 1:7 twist rate stabilizes a range of bullet weights making it versatile for different shooting needs. The ATLAS S-ONE handguard enhances handling and offers a slim profile while maintaining modularity with M-LOK compatibility for accessory attachments. Its anodized finish ensures resistance to wear and tear providing long-lasting performance. Designed specifically for 300 AAC Blackout this upper receiver excels in suppressed and unsuppressed configurations making it a dependable choice for hunting home defense or target shooting. Aero Precision s M4E1 platform features an enhanced design for better functionality and compatibility with AR-15 lower receivers. Aero Precision M4E1 Complete Upper Specifications Manufacturer: Aero Precision Make: AR-15 Model: M4E1 Complete Upper Receiver with ATLAS S-ONE Cartridge: 300 AAC Blackout Barrel Length: 16 Barrel Contour: CMV Twist Rate: 1:7 Finish: Anodized Black Color: Black Handguard: ATLAS S-ONE M-LOK Compatible Style: Complete