Used Knight's Armament (KAC) KS-4 5.56mm NATO Threaded Rifle Upper KS4

Key Features

• Item Type: Rifle Upper
• Manufacturer: Knight's Armament (KAC)
• Model: KS-4
• Caliber: 5.56mm NATO
• Overall Condition: Excellent

Product Description

Knight's Armament (KAC) KS-4 5.56mm NATO Complete Upper Receiver

Knight's Armament KS-4 upper receiver assembly chambered in 5.56mm NATO. This upper features a free-float M-LOK handguard with a full-length Picatinny top rail for optics and accessories.

This unit includes a bolt carrier group (BCG) and charging handle.

Specifications