Surefire SFMB5561228 Suppressor Adapter Muzzle Brake 5.56x45mm NATO 1/2"-28 tpi Stainless Steel $152.00
Sightmark SM39003 Boresight Red Laser for 30-06 Springfield, 270 Cal, 25-06 Rem Brass Includes Battery Pack & Carrying Case $29.97