Includes everything you need to build your AR-15, minus the lower.

Kit Includes:

• Takedown/pivot Spring
• Takedown/pivot detent
• Trigger/hammer pin
• Takedown pin
• Pivot pin
• Bolt Catch
• Bolt Catch Spring
• Bolt Catch buffer
• Bolt catch roll pin
• Safety Selector
• Safety Selector spring
• Safety Selector detent
• 4-40 Set Screw (for threaded takedown pin detent hole)
• Buffer retainer
• Buffer retainer spring
• Trigger guard
• Trigger guard roll pin
• A2 pistol grip
• Pistol grip screw
• Pistol grip lock washer
• Trigger spring
• Hammer spring
• Disconnector spring
• Magazine catch body
• Magazine catch spring
• Magazine catch button
• Hammer
• Trigger
• Disconnector
• Buffer Tube
• Spring
• Castle Nut
• End Plate
• Buffer
• AR-15 Mil-Spec Buttstock
• AR-15 Upper Receiver
• 15″ Handguard
• Barrel Nut
• Gas Block & Tube
• Muzzle Break
• 16″ 5.56 Barrel
• Bolt Carrier Group
• Charging Handle