Check the listing for details. Winchester 37A 370 840 Extractor - 12 Gauge. Listed at 19.99 USD. THIS ITEM IN NO WAY, SHAPE, OR FORM VIOLATES ANY OF EBAY'S POLICIES. This is a Winchester model 37A, 370, and 840 extractor. 12 gauge. As with any replacement parts - fitting may be required by a competent gunsmith.We'll combine shipping on multiple items and WE WILL INVOICE EVERYONE with new totals after the auctions end so I thank in advance for your patience. If you do not receive a revised invoice within 2 days, PLEASE send us a combined shipping request.All auctions ending over $99.99 will be insured.Insurance on items under $99.99 must be requested. NO INTERNATIONAL BIDDERS UNLESS you can provide me with a United States shipping address - No exceptions. Check out our eBay store for other items and deals! https://www.ebay.com/str/thegungarage Thank you all for looking and for your continuous business! - Al & Evan