Remington 550-A, 550-1, 550-1A, 550-2G Deflector Screw for 22 Semiauto Rifle Original Part# 15166.  Vintage New Old Stock Remington Part for Model 550-A, 550-1, 550-1A, 550-2G Rifles.  Shipped USPS Ground Advantage with tracking.

Note: It is recommended that all Remington parts be installed by a qualified and trained gunsmith.