Lincoln K and KP Numbers › Lincoln Electric KP2877-60 60 DEGREE AIR-COOLED GUN BARREL Lincoln Electric KP2877-60 60 DEGREE AIR-COOLED GUN BARREL Sale Price: $360.68 Original Price: $403.96 60 DEGREE AIR-COOLED GUN BARREL PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! 60 DEGREE AIR-COOLED GUN BARREL PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000