10 Piece Crush Washer Set, .40 .45ACP 9/16"x28 - Black Steel [MZCW05_10]

10 Piece Crush Washer Set, .40 .45ACP 9/16"x28 - Black Steel.  SKU  MZCW05_10

For .40, .45ACP 9/16" (0.563")x28 threaded barrels.