KAK AR15 "LITE" LOWER PARTS KIT FEATURES KAK PRODUCED PARTS THROUGHOUT NO FIRE CONTROL GROUP KAK BILLET TRIGGER GUARD INCLUDED! STANDARD A2 HANDLE KAK STAINLESS STEEL SPRINGS USE THIS LOWER PARTS KIT WHEN USING YOUR AFTERMARKET MATCH TRIGGER - SAME AS OUR STANDARD LPK BUT MISSING - HAMMER HAMMER SPRING TRIGGER TRIGGER SPRING DISCONNECTOR DISCONNECTOR SPRING HAMMER PIN TRIGGER PIN