The Firing Line Forums

Go Back   The Firing Line Forums > The Hide > The Dave McCracken Memorial Shotgun Forum

Reply
 
Thread Tools Search this Thread
Old October 23, 2020, 11:43 AM   #1
samsmix
Senior Member
 
Join Date: June 29, 2006
Location: Montana (Montucky?)
Posts: 1,245
Slug barrel and scopes: Cantilever vs. Reciever mounted

I have a mossberg 500c 20 gauge that I want to.buy a fully rifled slug barrel for. What are the pros and cons of a cantilever barrel mounted scope, versus a reciever mounted scope?

Can I take the cantilever barrel off and on and maintain zero?
__________________
You'll probably never NEED a gun. I hope you never do. But IF you do, you will need it worse than anything you've ever needed in your life.

IF we're not supposed to eat animals,
howcome God made 'em outta meat?
samsmix is offline  
Old October 23, 2020, 01:31 PM   #2
T. O'Heir
Senior Member
 
Join Date: February 13, 2002
Location: Canada
Posts: 12,289
Cantilever vs. receiver would be more of a personal preference.
"...and maintain zero..." I think the manufacturers say you can, but I highly doubt it. I suspect the cantilever style would be less accurate due to barrel movement. Dunno for sure. Don't have a rifled barrel or scope. Or a Mossberg.
Seems that 20 gauge slug barrels from Mossberg are kind of limited. There isn't a lot of aftermarket stuff for Mossbergs.
__________________
Spelling and grammar count!
T. O'Heir is offline  
Old October 23, 2020, 02:30 PM   #3
FrankenMauser
Senior Member
 
Join Date: August 25, 2008
Location: Potatoes and Hops
Posts: 12,528
Cantilever will retain zero better, so long as you get tension on the cap the same each time the barrel is installed.
Receiver mount will always have a little more 'wandering zero' effect; since the barrel is not affixed to the receiver, but is merely held in place by the magazine tube.

Unless you like using your shotgun as a pry bar, shovel, hammer, or base layer in a pile of tools and garbage behind the seat of your truck, durability of the two types isn't really worth nitpicking.
__________________
Don't even try it. It's even worse than the internet would lead you to believe.
FrankenMauser is offline  
Old October 23, 2020, 03:59 PM   #4
Nathan
Senior Member
 
Join Date: July 1, 2001
Posts: 5,221
I think Frankinmauser has it nailed!

We must remember that shotguns have lego like barrel attachments and terrible accuracy in general. I’m not sure my receiver mounted red dot is hurting anything out to 200 yards.
Nathan is offline  
Old October 23, 2020, 10:33 PM   #5
jrothWA
Senior Member
 
Join Date: November 11, 2006
Posts: 2,410
Try measuring the gap under the mag cap and theend of the mag tube surface.

making a solid contact helps.
jrothWA is offline  
Old October 24, 2020, 08:11 AM   #6
Rob228
Senior Member
 
Join Date: May 29, 2010
Location: Hampstead NC
Posts: 1,061
I do have a rifled barrel for my 870 (cantilever) but those Savage bolt action slug guns are looking more tempting every day.
Rob228 is offline  
Old October 24, 2020, 08:32 AM   #7
NoSecondBest
Senior Member
 
Join Date: December 7, 2009
Location: Western New York
Posts: 2,573
FrankenMauser has it correct. I’ve had both on a couple of different shotguns (back in NY before a rifle was legal) and testing both types over time showed the cantilever had an edge in accuracy. However, I did own a few guns where the non-cantilever barrels shot slugs rather well. If in doubt, get the cantilever.
NoSecondBest is offline  
Old October 24, 2020, 12:28 PM   #8
samsmix
Senior Member
 
Join Date: June 29, 2006
Location: Montana (Montucky?)
Posts: 1,245
Thank you. This confirms my suspicions, especially Frankenmauser's reply. Going to go cantilever, that way I can go back to a birdshooter with ease.

This is for my wife to use as a "short range rifle" out to maybe 150 yards in shotgun only areas.

I'm her bird dog, and will be using 12ga 3" "00", a tool with which I am very familiar.
__________________
You'll probably never NEED a gun. I hope you never do. But IF you do, you will need it worse than anything you've ever needed in your life.

IF we're not supposed to eat animals,
howcome God made 'em outta meat?
samsmix is offline  
Old October 24, 2020, 12:29 PM   #9
samsmix
Senior Member
 
Join Date: June 29, 2006
Location: Montana (Montucky?)
Posts: 1,245
What kind of 100 yard accuracy might I expect with this setup, using Sabot style slugs?
__________________
You'll probably never NEED a gun. I hope you never do. But IF you do, you will need it worse than anything you've ever needed in your life.

IF we're not supposed to eat animals,
howcome God made 'em outta meat?
samsmix is offline  
Old October 24, 2020, 01:04 PM   #10
FrankenMauser
Senior Member
 
Join Date: August 25, 2008
Location: Potatoes and Hops
Posts: 12,528
Depends on the barrel and ammo.
But most people that I know that use modern rifled shotguns are seeing pretty good groups. Nearly always 5" or less, but often a nice and tight 2" or less (5-shot).
__________________
Don't even try it. It's even worse than the internet would lead you to believe.
FrankenMauser is offline  
Old October 24, 2020, 04:30 PM   #11
NoSecondBest
Senior Member
 
Join Date: December 7, 2009
Location: Western New York
Posts: 2,573
I’ve had a couple that would shoot five slugs in one ragged hole at 50 yds and that group would open up to around 2-2.5” at 100 yds.
NoSecondBest is offline  
Old October 27, 2020, 05:09 PM   #12
samsmix
Senior Member
 
Join Date: June 29, 2006
Location: Montana (Montucky?)
Posts: 1,245
Sounds adequate to my purpose. Thank you very much for the information gentleman.
__________________
You'll probably never NEED a gun. I hope you never do. But IF you do, you will need it worse than anything you've ever needed in your life.

IF we're not supposed to eat animals,
howcome God made 'em outta meat?
samsmix is offline  
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 10:08 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2020 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.06780 seconds with 10 queries