Up for sale is a rare 1970s Mossberg 800BM chambered in .243 Winchester with a 20" barrel, presented in excellent condition. What truly sets this rifle apart is its unique factory Mossberg stock—featuring a full-length shroud that extends all the way to the tip of the barrel. This factory configuration is exceptionally hard to find, adding significant collectibility and vintage appeal to this piece.
The rifle is in excellent shape with well-preserved metalwork and a stock that shows only minimal signs of careful use. All mechanical functions have been inspected and are working as they should. Detailed photos are provided so you can see the exact rifle being offered.
If you’re seeking a unique addition for your collection, or simply appreciate the rarity and craftsmanship of vintage Mossbergs, this 800BM is an outstanding choice. Any questions about this rare Mossberg? Please feel free to contact us!
Do you own this item, and are looking to get cash for it?
How to Purchase a Gun Online with Bay State Surplus
Easy & Convenient.
When buying a firearm from Bay State Surplus, you can pay for shipping or select 'store pickup' at checkout to skip the fee. Shipped firearms must go to a licensed FFL dealer with their consent and license copy. We offer Priority or Ground shipping. IT IS THE BUYERS RESPONSIBILITY TO CONFIRM THE FIREARM/ MAGAZINE IS IN STOCK & COMPLIANT IN THEIR STATE. Feel free to ask us any questions at baystatesurplus@gmail.com. Thank you for choosing Bay State Surplus!
Download the approved handgun roster to view which handguns are transferable in Massachusetts
The enforcement of the Long Gun Roster has been postponed until the roster is officially released, and the release date remains uncertain. As of writing this (11/7/2026), all long guns are still transferable in Massachusetts for now, provided they do not meet the NEW definition of an "Assault Style Firearm."
