FITS: 870 Standard Weight, 12
Matte finished Manganese Parkerized, fixed choke Improved cylinder (not threaded for choke tubes) with 2/34-3 inch chamber. External type magazine cap retainer. Pedistal mounted front bead is press fit and requires drilling and tapping the hole for bead replacements.
Big Book Catalog, Issue:68, Page:642
New Product Supplement, Issue:581, Page:005