Shop › LBE LPK 556 W/TRIG GUARD AND GRIP LBE LPK 556 W/TRIG GUARD AND GRIP $69.99 LBE Unlimited Lower Parts Kit Part Kit, 223 Rem/556NATO, Black Finish, With Pistol Grip and Trigger Guard AR15LPKT Quantity: Add To Cart Added! LBE Unlimited Lower Parts Kit Part Kit, 223 Rem/556NATO, Black Finish, With Pistol Grip and Trigger Guard AR15LPKT