Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28" Pump / Slide Action Tube Fed Shotgun, MFD 1979 12 GA

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Auction: 14422204

Manufacturer:   Mossberg
Caliber:   12 GA
NRA Grade:   Very Good
Auction Type:   Penny Auctions Basic
Current High Bidder:
11 Bids ($0.01 starting bid)
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Bid Increment:
Auction Start:
(March 12, 2017 5:22pm)
Auction Ends:
2d 20h 9m -
(March 26, 2017 5:22pm)

Buyer Tip: If you're the High Bidder in an auction when it closes, don't assume you're the final High Bidder. Someone could outbid you in the final seconds of the auction if your Max Bid isn't high enough. You're not the high Bidder until you've been notified by email that you are. All Auctions are conducted in Pacific Time.
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Seller's Description
LSB#: 170124DK03

Make: Mossberg

Model: 500, Sold as the New Haven 600AT

Serial Number: H225005

Year of Manufacture: 1979 (

Gauge: 12 Gauge, 2 ¾” & 3” Shells

Action Type: Pump / Slide Action, Tube Magazine Fed Shotgun

Markings: The left side of the barrel is marked “CHAMBERED FOR 2 ¾ AND 3 IN. SHELLS / 12 GA. MODIFIED CHOKE-MADE IN USA”, the right has “P” in circle. The left side of the receiver is marked with the serial number, the underside is marked “NEW HAVEN / BY MOSSBERG / MADE IN U.S.A. / 600AT 12 GA.”

Barrel Length: 28”

Choke: Modified

Sights / Optics: This shotgun is mounted with a brass bead, screwed into the ventilated rib; the top of the rib is serrated and matted for glare reduction.

Stock Configuration & Condition: The stocks are a semi-gloss hardwood set with press checkers. The stocks have scrapes and scuffs, no cracks are seen. The LOP measures 14" from the front of the trigger to the back of the black plastic butt plate; the plate has rubbing and compression, in Very Good condition. The stocks rate in about Very Good overall condition.

Type of Finish: Blue, with Black Alloy Receiver.

Finish Originality: Factory Original

Bore Condition: The bore is bright. There is no erosion.

Overall Condition: This shotgun retains about 80% of its metal finish. The barrel and rib have spots of erosion, a spot of etching is on the left of the barrel. There are several scrapes and dings on the surfaces, most are on the receiver and trigger guard, there is expected operational wear on the magazine tube and slide arms, please see our pictures. The screw heads are sharp. The markings are crisp. Overall, this shotgun rates in about Very Good condition.

Mechanics: The action functions correctly. The shotgun features dual slide arms and the action has solid full lockup. The safety is mounted on top of the receiver. We have not fired this shotgun. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance standards.

Box, Paperwork & Accessories: None.

Our Assessment: This Mossberg 500 was sold as the New Haven 600AT in 1979 to department and hardware stores, providing a cost effective means to own a reliable pump action shotgun. The shotgun still has a lot of life left to life, it will do great as a field piece and is interchangeable with Mossberg 500 parts, you can rock it out to be a tactiCOOL defender or keep it simple, either way, plenty of parts will be available. Please see our pictures and good luck.

CA Legal or CA Private Party Transferable: This shotgun can be transferred in California.

LSB#: 170124DK03 Make: Mossberg Model: 500, Sold as the New Haven 600AT Serial Number: H225005 Year of Manufacture: 1979 (

Payment and Shipping Instructions:
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To reduce the likelihood of damage during shipping, we may disassemble long guns by removing stocks on especially long pieces or taking down takedowns. All parts will be individually wrapped. If you would prefer to not have your item disassembled, please include a note with payment or email instructions to [email protected]

Your item will be shipped within 1 week of receipt of good funds, usually the next day. You will receive an automatic notification with a tracking number upon shipment, to let you know that we have received funds. (Please obtain a tracking number from your carrier for immediate delivery confirmation of payment). If you are in Southern California, you are welcome to pick your item up and complete the transfer at our shop in Simi Valley (M-F, 8-4 and Saturday By Appointment).

This gun can only be shipped to an FFL, and it will be shipped from an FFL. It is your responsibility to ensure that the gun is legal to own and receive in your area. Please include a copy of your dealer’s license with payment or faxed/emailed separately. We will need CFLC numbers for CA FFL’s to ship a firearm within California. We are FFL dealers and comply with all Federal, State and Local laws.

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Full payment on non-layaway items is required within 14 days. We accept Cashier's Checks, Money Orders, Cash, Personal Checks and Cards. Personal Checks are held a full week for clearance. All paper forms of payment already reflect a 3% cash discount. To pay online, please use the 'Pay Now' link at the bottom of the invoice, which will be sent after the sale. American Express needs to be processed here using the item number from the auction site and the Credit Card Total: Process AMEX Here. To call and pay by phone, please wait until the afternoon on Monday after the sale. To help us properly apply your payment, please indicate what item you have purchased when your payment and/or FFL are sent. If you would like to be notified when we receive your payment, please obtain a tracking number from your carrier.

CA Sales tax applies to CA buyers (7.25%).

Layaways are offered on all items, requiring a 20% non refundable down payment within 7 days of the auction’s close and the balance within 60 days. We do not require prior notice to place an item on the layaway. No returns are accepted on layaway items and the item will be considered abandoned after 60 days. To make credit card lay away payments, click here: Lay-Away With a CC. All items purchased in an auction will be combined into one invoice. This invoice must be paid in full before any/all items are shipped.

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Returns (less shipping) are accepted within 3 days of when the item is delivered with signature confirmation. Returns are accepted for material misrepresentation, non disclosed flaws, overrepresentation & damage in shipping. Sometimes we miss, overlook or confuse things and we promise to make it right as best we can when we do. It is our goal to resolve return issues to keep all parties satisfied with their dealings (look at our feedback). Our return policy is not designed for folks who have just changed their mind or who did not fully read the description. Returns are very costly for both the buyer and for us, so please ask all of your questions before bidding and please be sure you can legally purchase this item. Thank You!

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Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28
Mossberg Model 500, Sold As New Haven 600AT, Blue & Black 28

Buyer Tip: Seller assumes all responsibility for listing this item. If you have any questions regarding this item, you should contact the Seller before bidding. You can contact the seller by clicking on the seller's nickname. The Seller is required to give the Buyer a minimum of three days to inspect any firearm sold through See the Terms and Conditions for details.