The Yankee Hill Machine 110 Flat Top Stripped Upper Receiver is an AR-15 pattern upper built for reliable builds in .223 REM / 5.56mm NATO. This stripped upper gives you the base receiver platform for assembling the rest of your upper with compatible components, featuring a classic flat-top design for optics or standard sights.

Key features

• Flat top AR-15 pattern stripped upper receiver for .223 REM / 5.56mm NATO builds
• 7075-T6 aluminum construction for strength and durability
• Black hardcoat anodized finish for everyday corrosion resistance
• Stripped receiver design for use with standard compatible upper build components

Build your next .223 REM / 5.56mm NATO upper on a solid YHM foundation with the 110 Flat Top Stripped Upper Receiver.