K31 CARBINE BOLT CYLINDER HEADSPACE: UNMARKED

It is very important for the correct headspace, if you are going to replace a bolt body check under the extractor for a size stamp and replace the bolt by a similar one. Above is a picture of a size 10. The bolts come in four sizes; Non-marked for a standard bolt, 05, 10 and 15.

These are new, unissued K-31 parts.  Special Purchase!  Supplies are Limited!