Mossberg 835 24" Barrel + 9 Round Choate Extension
robertsontradingpost A+(6629)
Factory New Condition
FFL is not required
Unit Price
Quantity Available
Immediate checkout
Sign In or Register to BuyNow!
Time Left
3d +
11/22/2017 2:49 PM
Item 686937409
Location Henderson, TN 38340
Priority Mail$10.00
See Item Description
No international shipments
Payment Personal Check, Visa / MasterCard, Discover, USPS Money Order, Money Order, Certified Check, See Item Description
Checkout Yes, Immediate
Sales Tax
Seller must collect sales tax from the following states:
TN 9.75%   
Inspection/ Return Policy
AS IS - No refund or exchange

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.

Please read the Additional Terms of Sale for important listing details.

Mossberg 12 gauge model 835 Factory Barrel 3 1/2 inch 24 in Rifle Sights with Choate Steel 9 Shot Magazine Extension Kit Spring & Clamp all NIB 90800
OUR # XMXB90800
Grips, Magazines, Slings, Holsters, Scopes, Mounts, Parts , buy any 3 items and get Free Shipping! Guns and ammo excluded. Lower 48 only. Shoppers - who - use - the - GunBroker - checkout - will - have - their - shipping - refunded - on - orders - that - qualify.

Item Description

NO MAGAZINE SALES into NEW YORK CITY. CONNECTICUT residents must furnish us a copy of your CT Eligibility Permit or ammunition certificate. This listing is for One Barrel and One Magazine Tube Extension Kit with spring and clamp. After selling them for 35 years, it appears to us that most Mossberg 835 owners only use their shotguns during Waterfowl and Turkey Seasons. To us, that's a waste of good shotgun. Here is Mossberg's 24 inch blued 835 barrel with rifle sights, combined with a Choate Machine Tool Magazine Extension that will turn that shotgun into a formidable defense piece, capable of propelling 800 to 900 .22 caliber projectiles in less than 3 seconds. Barrel manufacturer is O.F. Mossberg of Torreon, Mexico, where all of Mossberg’s barrels have been produced for the past 30 years. Importer and warrantor is O.F. Mossberg & Sons of Eagle Pass, Texas. Magazine tube kit manufacturer is Choate Machine & Tool of Bald Knob, Arkansas, product number 02-04-24. Barrel construction is entirely steel. Extension construction is steel as well, except for the black polymer tube cap, and replacement high visibility orange polymer shell follower. Barrel's factory number is 90800. This barrel has a uniform .727 diameter smooth bore, and the factory advertises it as a Slugster. Folk had best not try slugs in other 835 barrels, only this variant. Sight system is welded steel ramp front, and factory issue Williams two piece, 700 type rear that is windage and elevation adjustable. On the tube, a standard model 835 Pump Mossberg holds 4 each 2 3/4 inch shells in its factory magazine tube. Installing the Choate tube assembly ups that count to 8 in the pipe, yielding an 8+1 capacity on 2 3/4 inch shells. For 3 inch shells, make that 7+1; and on 3 1/2 inch shells, 6 + 1. The +1 means one in the chamber. Choate steel clamp ensures stability and even has a sling swivel, but of course it will eventually wear the finish. Barrel finish is brushed surface blued steel; magazine tube finish is parkerized. Replacement pricing on the barrel is $181 on mossberg com; replacement pricing on magazine extension kits often approaches $150.00. We’re offering the Mossberg 90800 Barrel and Choate 835 kit in the photos, however, or their identical mates, all for only $ 199.00. Not for sale to residents of New York City. Any magazine deliveries into New York City require written permission from the Police Commissioner, so we cannot ship magazines into any of the five boroughs or 176 some odd zip codes, per NYC Code 10-131.10. Connecticut buyers must furnish us a copy of your State Issued Eligibility Permit or Ammunition Certificate, per P.A. 13-220. Any ammunition, firearms, or personnel showing in any of our photos are Not included. Add a 250 round case S&B 9 Pellet OO Buck 2 3/4", only $129 delivered freight paid (Lower 48 only, figures $2.58 per 5 rounds, compare with normal wholesale of $4.00 per 5 round box). Add 50 rounds, 10 boxes, Remington 12ga 3” Magnum #4 Buckshot only $6.90 per box, $69 shipped with Barrel & Mag Kit purchase. Lower 48 only


Visa, MasterCard and Discover. USPS MO paid orders shipped ASAP. 7 day hold on checks.

  • No American Express
  • No PayPal
  • 90 day layaway available with a 20% deposit.


USPS Priority Mail, insured with Delivery Confirmation.

  • Buy any 3 Non Gun Non Ammo items and shipping is free to the lower 48. Shoppers who use the GunBroker checkout will have their shipping refunded on orders that qualify.
  • $10 lower 48 for 1 or 2 items.
  • $20 to AK, HI and PR no matter how much you buy.
  • Tracking information provided by email as soon as it's available.


7 day money back on used items. No return on New Items, layaway, or ammo. New items are covered by the manufacturer. We do not pay transfer fees or return shipping.

No sales outside the US.

  • Phone hours 8:00 – 5:00 CST Mon - Fri CST. Local pickup OK. Robertson Trading Post 117 Front Street PO Box 365 Henderson, Tennessee 38340 We Buy, Sell, or Trade. We always have, since 1952.
  • Phone # 731-989-7641
  • Buy 3 Ships FREE: Combine any three or more of our accessories and shipping is FREE for the entire order

    Guns and Ammo excluded. Lower 48 Only.

    Shoppers who use the GunBroker checkout will have their shipping refunded on orders that qualify.

    Mfg Part Number