MidwayUSA is proud to offer the AR-STONER™ Carbine Kit with 80% Lower. Dust off your tools and use them to complete this AR-15 rifle chambered in 5.56x45mm NATO. Machining of the 80% lower is necessary, so people who have the correct tools and skill set will be able to enjoy and complete this AR-Stoner Complete Upper Assembly AR-15 5.56x45mm NATO kit with ease. Due to the necessary machining of the 80% Lower, no FFL is required for purchase. Set aside a block of time, use your favorite tools, along with some elbow grease, and assemble these high-quality, mil-spec parts into a long-lasting and fun rifle.

AR-STONER™ 80% Lower Receiver

The 80% Lower Receiver is forged from 7075-T6 Aluminum for a precise high-quality build. The following operations are necessary to complete the lower receiver.

• Milling the space for the fire control group

• Drilling the hammer pin hole

• Milling the trigger slot

• Drilling the safety selector hole (safety selector detent hole is already drilled)

• Drilling the trigger pin hole

AR-STONER™ AR-15 5.56x45mm NATO Complete Upper Receiver Assembly

The AR-STONER™ carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a government profile barrel. The A3 comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. The AR-Stoner 1 in 9" twist, 16" barrel provides outstanding accuracy and the pre-ban style upper includes a bayonet lug and A2 flash hider. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).

AR-STONER™ Complete Lower Receiver Parts Kit

The AR-STONER™ Complete Lower Receiver Parts Kit includes all the mil-spec parts used in an AR-15 lower receiver.

- Bolt Catch

- Bolt Catch Plunger

- Bolt Catch Roll Pin

- Bolt Catch Spring

- Buffer Retainer

- Buffer Retainer Spring

- Disconnector

- Disconnector Spring

- Hammer

- Hammer Pin

- Hammer Spring

- Magazine Catch

- Magazine Catch Button

- Magazine Catch Spring

- A2 Pistol Grip

- Pistol Grip Lock Washer

- Pistol Grip Screw

- Pivot Pin

- Pivot Pin Detent

- Pivot Pin Detent Spring

- Selector

- Selector Detent

- Selector Detent Spring

- Takedown Pin

- Takedown Pin Detent

- Takedown Pin Detent Spring

- Trigger

- Trigger Guard

- Trigger Guard Roll Pin

- Trigger Pin

- Trigger Spring

AR-Stoner M4 6-Position Stock Assembly

The AR-Stoner M4 Stock Assembly has six collapsible positions making your rifle comfortable to hold, and easy to control. Machined from 6061-T6 Aluminum and given a hard coat anodized finish, the buffer tube will withstand years of abuse. The M4 telescoping stock also features a built-in sling swivel to mount your favorite sling.

Note:

Tools and Magazines not included in kit.

Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.