Anderson

Starting a classic M4 build? Look no further than our Anderson® AOR M4 Flat Top. Anderson makes almost all components in-house, so they can control quality like few others while still delivering exceptional value. That's probably why it's our best-selling Barreled Upper.

• Chambered for 5.56 NATO, but will also handle .223 Remington without issue
• 16" M4-profilel barrel with phosphate matte finish
• 1:8" barrel twist
• 7075-T6 forged upper receiver (optics ready)
• A2, carbine-length handguard
• A2 flash hider
• Standard charging handle
• Standard mil-spec bolt carrier group