Knights Armament KAC SR-15 IWS Lower Receiver Assembly 

Ambidextrous everything and KAC 2-stage trigger.  This is it.

The Knight's Armament SR-15 IWS Complete Lower Receiver is built from forged aluminum and are built with the company's own safety selector, magazine release and bolt release, all fully ambidextrous. The lower is also equipped with the company's unique KAC 2 Stage match trigger. The Knight's Armament SR-15 IWS Complete Lower Receiver ships with a complete stock and six-position buffer tube.

• KAC 2-stage 4.5 lb Trigger
• KAC gray buffer tube
• KAC SR15 buffer and spring
• KAC black A2 grip
• KAC Combat Trigger Guard
• KAC 2-stage chrome / nickel boron trigger
• KAC Ambi Safety Selector
• KAC Ambi receiver mounted QD sling mount (at the end plate)
• KAC Ambi Bolt Release
• KAC Ambi Magazine Release
• Magpul black MOE SL-S stock with ambi QD sling swivel sockets*

*earlier KAC full lowers shipped with LMT stocks, this was changed in late 2019