This package deal includes the finished pieces you need to assemble your own Stars and Stripes M4E1 Rifle, including an M4E1 Threaded Upper Receiver, M4E1 Lower Receiver and our ATLAS R-ONE Handguard of choice all finished in Stars and Stripes. The design features a unique design of the American Flag that appears to be waving in the wind as the star-studded canton of our flag leads the way. Limited Run!

Includes:

• M4E1 Threaded Upper Receiver finished in Stars and Stripes. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut.
• 15" ATLAS R-ONE M-LOK Handguards finished in Stars and Stripes (Mounting Kit Included)
• M4E1 Lower Receiver finished in Stars and Stripes

This package deal includes the finished pieces you need to assemble your own E Pluribus Unum M4E1 Rifle, including an M4E1 Threaded Upper Receiver, M4E1 Lower Receiver and our ATLAS S-ONE Handguard of choice all finished in E Pluribus Unum. Limited Run!

Includes:

• M4E1 Threaded Upper Receiver finished in E Pluribus Unum. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut.
• 15" ATLAS S-ONE M-LOK Handguards finished in E Pluribus Unum (Mounting Kit Included)
• M4E1 Lower Receiver finished in E Pluribus Unum

The pieces you need to start building your own M5E1 rifle chambers in .308. This set includes an M5 stripped lower receiver, M5E1 upper receiver and Enhanced Gen 2 15" M-Lok handguard. All three pieces are finished in mil-spec Anodized Black.

Aero Precision lowers are precision machined to mil-spec dimensions, and work with standard AR15 components to ensure the highest quality with a correct component interface. FDE Cerakote Finish.

Gen 2 Features

• Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
• Increased Magwell Flare - Allows for easier insertion of magazines and provides a sleeker look.

Upper Receiver Features:

• Machined from 7075-T6 forged aluminum
• M4 Feedramps
• .250” takedown pin holes
• Works with standard AR15 components

Lower Receiver Features:

• Machined from 7075-T6 forged aluminum
• Upper Tension Screw
• Flared Magwell
• Rear takedown pin detent hole is threaded for a 4-40 set screw
• Works with standard AR15 components and magazines

This package deal includes the finished pieces you need to assemble your own Stars and Stripes M4E1 Rifle, including an M4E1 Threaded Upper Receiver, M4E1 Lower Receiver and our ATLAS S-ONE Handguard of choice all finished in Stars and Stripes. The design features a unique design of the American Flag that appears to be waving in the wind as the star-studded canton of our flag leads the way. Limited Run!

Includes:

• M4E1 Threaded Upper Receiver finished in Stars and Stripes. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut.
• 15" ATLAS S-ONE M-LOK Handguards finished in Stars and Stripes (Mounting Kit Included)
• M4E1 Lower Receiver finished in Stars and Stripes

Includes:

• M4E1 Stripped Lower Receiver - Anodized Black
• A2 Grip - Black
• Mil-spec Lower Parts Kit
• AR15 Carbine Receiver Extension
• AR15 Carbine Buffer and Spring
• These parts are installed

Rock River Arms semi-auto AR15 forged lower receiver assembly complete with a six postition collapsible stock and a National Match two stage trigger. Lower is mil spec and uses standard take-down and fire control pins. Receiver is mil-spec hard coat anodized aircraft grade 7075 T6 aluminum, matte black finish.

* Must ship to an FFL Dealer *

Rock River Arms semi-auto AR15 forged lower receiver assembly complete with a six postition collapsible stock and a standard single stage trigger. Lower is mil spec and uses standard take-down and fire control pins. Receiver is mil-spec hard coat anodized aircraft grade 7075 T6 aluminum, matte black finish.

* Must ship to an FFL Dealer *