Sure Cycle Magazine Extension Tube for Mossberg 930 & 935
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Sure Cycle Magazine Extension Tube for Mossberg 930 & 935

Code: MOSEXT
Ratings Snapshot
5.0
out of 5
5 (7)
4 (0)
3 (0)
2 (0)
1 (0)
Would recommend this product.
85.7%

$108.95


Qty

This magazine capacity is restricted in some areas. Please check your State, County and City laws for restrictions before ordering.

  • Please click on the "Important Information" tab, where you can find out more information regarding magazine restrictions.

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Product Description

•••••

Description: Sure Cycle Magazine Extension Tube for Mossberg 930 & 935. Featuring a 316L Stainless Steel Tube, a low drag red anodized follower, stainless steel spring and steel barrel clamp with sling swivel, The Sure Cycle magazine tube extensions are the premier extension for your shotgun. Utilizing a ratchet alloy collar, the Sure Cycle system allows for a very quick change by adding round capacity to the existing magazine tube. This allows the user to convert from normal capacity to higher capacity without alteration of the firearm or OEM tube.

Great for waterfowlers chasing snow geese, 3 gunners and home defense applications. The stainless one-piece construction of the tube is coated in Black Cerakote making them virtually impervious to any rust or corrosion caused by some of the worst weather conditions.

Available in a 2, 3, 4, 5 and 6 shot capacity, these magazine tube extensions will fit Mossberg 930 & 935 shotguns. These magazine extension tubes normally will not exceed the muzzle of most shotguns with 28" or longer barrels.

All of the Sure Cycle mag tube extensions connect to the existing factory magazine tube, therefore adding the round amount listed to the amount your firearm currently holds with the existing magazine tube.

(Example) If your shotgun currently holds three rounds in the magazine tube and one in the chamber, then adding a 6 shot tube will bring the total to ten rounds. If the shotgun holds two rounds in the magazine tube and one round in the chamber, adding a three shot tube will then increase the capacity to six rounds.

Fits:

  • Mossberg 930
  • Mossberg 935

Features:

  • Magazine Tube Constructed of 316L Stainless Steel
  • Cerakote Black Finish
  • Stainless Steel Magazine Spring
  • 6061 T6 Aluminum Low Drag Follower, Red Anodized for Visibility
  • Steel Barrel Clamp with Sling Swivel,
    • Black Cerakote for Black Models
  • Ratchet Base Collar for Tight Fit
  • Manufactured in the USA
Weight:
2 Shot 8 oz.
3 Shot 9 oz.
4 Shot 10 oz.
5 Shot 14 oz.
6 Shot 14 oz.
Overall Length:
2 Shot 5-1/2"
3 Shot 9"
4 Shot 12"
5 Shot 14"
6 Shot 16-1/2"
CODE COLOR MAGAZINE CAPACITY
MOSEXT2 Black
2 Shot
MOSEXT3 Black 3 Shot
MOSEXT4
Black 4 Shot
MOSEXT5 Black 5 Shot
MOSEXT6 Black 6 Shot

Manufacturer: Sure Cycle

FAQ:

Q.) Why a stainless steel tube and not an aluminum tube?
A.) Utilizing stainless steel allows the inside of the tube to be machined to an extremely smooth mirror-like finish. This allows both the additional rounds, follower, and spring to operate smoother, and eliminates grooves from being worn inside an aluminum tube.
Stainless tubes can be more precisely machined to ensure an exact flush contact point to the existing OEM tube, resulting in a perfect smooth finish.

Q.) Can I use my existing magazine tube follower with the Sure Cycle System?
A.) Yes. If you wish to use the OEM follower you can. However, some manufactures have switched to plastic followers for cost saving. While they can be used, we recommend the aluminum follower.

Q.) The spring that came with my Sure Cycle System is much longer than the OEM spring.
A.) The extra spring length is needed to push the heavier payload of rounds down the tube.

Q.) Can I use a Sure Cycle Mag tube extension that sticks out beyond the muzzle of the gun?
A.) Yes. This is very common among thee gunners and competition shooters using Sure Cycle Tubes. You will experience a lot of buildup of powder and residue on the top side of the tube that can be easily wiped off. Do not add any type of clamp or accessory to the tube beyond the barrel length.

Q.) I ordered a shorter tube (2, 3 shot). It does not seem I need the clamp that came with it.
A.) We include a clamp with all of the tubes. The 2 and 3 shot tubes can be used without the clamp if desired.

Q.) After shooting a while, the clamp seemed to loosen and move. Is this normal?
A.) It is recommended that you cover the area of the barrel that the clamp tightens to with a small section of electrical tape. This will give it a firm hold area and usually avoid the barrel from having any type of mark, rub or scratch.

Q.) I lost the directions for installation. Where can I find another copy?
A.) Directions for install are available here: MOSEXT Installation Instructions

Q.) Can you Cerakote a tube with a custom color?
A.) Yes. If you are looking for this option please let us know. Pricing will only be quoted per request.

PRODUCT SPECIFICATIONS:

PRODUCT SPECIFICATIONS:

  • Brand: Sure Cycle
  • Finish / Color: Black
  • Firearm Type: Shotgun
  • Gauge: 12 Gauge
  • Magazine Capacity: 2,3,4,5,6
  • Material: Steel,Aluminum
  • Models Fit: Mossberg 930,Mossberg 935

Specifications

•••••
  • Brand: Sure Cycle
  • Finish / Color: Black
  • Firearm Type: Shotgun
  • Gauge: 12 Gauge
  • Magazine Capacity: 2,3,4,5,6
  • Material: Steel,Aluminum
  • Models Fit: Mossberg 930,Mossberg 935

Additional Resources

•••••

Customer Ratings & Reviews

•••••
7
Ratings Snapshot
5.0
out of 5
5 (7)
4 (0)
3 (0)
2 (0)
1 (0)
Would recommend this product.
85.7%
5.0
out of 5
5 (7)
4 (0)
3 (0)
2 (0)
1 (0)
Would recommend this product.
85.7%
7 Total Reviews
Nice upgrade
5 out of 5
Scomp
Location: Wa
Date: September 5, 2024
Pretty easy to install. Well made and cycled great. The kit has everything you need..
Sure Cycle Tube Extension
5 out of 5
Paul
Location: Washington State (behind enemy lines)
Date: June 14, 2023
I purchased the +6 mag tube extension. Midwestern Gun Works is without a doubt one of the best places to purchase your necessary parts. Great prices, only high quality parts, and the fastest shipping I’ve ever had. I think I had my order in the mailbox in Washington St. in two days. I jokingly told a friend that I think I placed my order and their guy jumped in his car and drove straight to my house.
Recommended
930 mag extension
5 out of 5
bp19661
Location: Vermont
Date: June 7, 2023
The extension fits well. All the parts are well made. Rounds slide through it easily.
Recommended
Magazine Extension Tube
5 out of 5
Goose
Location: MA
Date: Apr17l 11, 2023
This is a well built magazine extension. Couldn't be more satisfied with the quality and design of this tube.
Recommended
absolutely love it!!
5 out of 5
jimmyjam
Location: sd
Date: Apr58l 10, 2023
easy to install. Works like a charm! Nothing like 4 or 5 extra rounds when that 10k flock of snows feet down in the decoys!!
Recommended
Mag ext. Tube
5 out of 5
HooDoo Man
Location: Kalifornia
Date: December 13, 2022
Looks & functions perfect on my Mossberg 930 12ga. Thunder Ranch. Good quality. Not cheap junk.
Recommended
Quality Product
5 out of 5
Greengunner
Location: Michigan
Date: December 2, 2020
Fairly simple to install and works good.Received order earlier than expected and had no problems.
Recommended
7 Total Reviews