A2 Front Sight Post .270 Assembly. Includes Detent, and Spring – Steel with Manganese Phosphate finish. SADLAK’s Front Sight Posts are milled in the USA by skilled lathe operators with years of experience delivering consistent quality and fit. The A2 Front Sight Post Assembly w/ Adjustment Tool comes with the A2 Front Sight Adjustment Tool from Sadlak. Mfg: Sadlak Industries