This Winchester manufactured fourth variation (trigger) guard assembly is for the later model 12 slide action shotgun in 16 and 20 gauge which has the cartridge guide attached to the carrier and is in very good condition exhibiting a grayish gun metal color with traces of original blue finish in the protected areas. (file photo)

Note: Winchester model 12 slide action shotguns with the following gauges and serial numbers have been observed with this part:

16 Gauge: 1116030

20 Gauge: