Image 1 of 1 MEPROLIGHT-AR-15 M-4 SIGHTS SET $134.99 MEPROLIGHT-AR-15 M-4 FLIP UP NIGHT SIGHTS SETFRBS, Front & Rear Flip up Sights Tritium 2 Rear Dots Quantity: Add To Cart Added! MEPROLIGHT-AR-15 M-4 FLIP UP NIGHT SIGHTS SETFRBS, Front & Rear Flip up Sights Tritium 2 Rear Dots