XS Sights 24/7 Tritium Stripe, Front Sight, Fits AR-15 A2 Front Housing Sight, Green With White Outline AR-2001-6 Available to order on-line. Ships in 5-14 days $74.99
XS Sights Standard Dot Tritium, Round Top Front Sight, Fits AR-15 A2 Front Housing Sight, Green w/White Outline AR-2001-4 Available to order on-line. Ships in 5-14 days $74.99