This is an original factory replacement part from Marlin. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Disassembly and assembly may be required and some parts may require installation by a qualified gunsmith. FitMarlin 25N, 25NC, 70, 70HC, 70L, 70P, 70PSSMarlin 793, 795, 880, 880SQ, 880SS, 925, 980VMarlin 989, 989M-2, 995, 995SS, 7000, 7000T, XT-22 .22 LR, 2000Big 5 Model 700, Coast to Coast Models 42 and 440WestPoint Model 701, Montgomery Ward Model 45