Everything needed to complete a fully functional AR-15 carbine , less a stripped lower receiver.

• Built upper receiver with 15″ m-lok handguard, 16″ M4 4150 chrome vanadium 1:8 twist barrel, carbine gas system, forward assist, dust cover and birdcage flash hider installed
• Black nitride bolt carrier group
• Standard mil-spec charging handle
• Mil-spec 5-position buffer tube kit
• Adjustable carbine butt stock with recoil pad
• Anderson Gen 2 lower parts kit
• Front and rear flip-up polymer sights