For use in an AR-15/M16.
Big Book Catalog, Issue:69, Page:021
Big Book Catalog, Issue:70, Page:020
Big Book Catalog, Issue:71, Page:022
Big Book Catalog, Issue:71, Page:042
Big Book Catalog, Issue:72, Page:028
Big Book Catalog, Issue:72, Page:047
Big Book Catalog, Issue:73, Page:031