Combo includes the following 2 Items listed:
-This guard fits Marlin X7, XS7,XL7 riflestocks and uses your original action screws.  Manufactured from 6061 T6 aircraft grade aluminum, bead blasted, and is hard anodized black.  Great alternative to the original platic they came with. (fits: X7, X7c, X7s, X7vh, Xy7, Xl7, Xs7, Xs7vh)
-Extractor Kits that fit Marlin X7 in 223 as well as any of the cartridges it is the parent case of in the 223 specific bolt head.  These extractactors are manufactured and heat treated from 416 ss, with a hardened 440C ss ball, and a zinc-plated compression spring.  Kit will include (1 each) extractor, (1 each) ball, (1 each) zinc plated compression spring.  These are not the mim'd parts that come from the factory with these rifles listed, far superior extractor.