Lubricating Auto-5 Magazine Tube

guntech said:
I have used a very light grease and G96 Gun Treatment (very little) on the outside of the tube for about 45 years now... never had a problem in doing that... If you get failures to feed or eject a dry may tube is usually the problem if the friction pieces are set correctly.
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Same... Just a light spray of G96 and then gentally wipe off. Never had a FTF or FTE or any sort of feeding issue.
 
guntech said:
... in my experience I don't know how you could over lube the metal magazine tube...
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I used to service 100-200 A5's a year, primarily duck guns in wet weather. Over-lubing was an issue, tho not as bad as incorrect ring settings. Incorrect lubing in conjunction with wrong ring settings was common.

Some of the stuff that was used as lube was definitely not intended for guns, but when the shooting is hot and heavy...
 
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jackssmirkingrevenge said:
A mechanism that relies on friction to brake the barrel motion is not going to work as well if you lubricate it excessively, resulting in a bigger impact on the receiver.
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Browning used to provide a little container of what appeared to be something like mink oil with the A5. If left dry, the guns would seldom function reliably. Didn't work on as many A5's as Remington 1100's but a lot of them nonetheless.
 
Lodi said:
Lubrication allows the barrel with it's accompanying rings to move on the magazine tube. The rings act as a brake system to slow movement of the barrel. When too much lube is used it allows the barrel to move at a higher speed and force. The part that stops the barrel on it's return is the forearm, in some cases that real pretty, really expensive wood forearm. Cracking and/or compression of the wood is common.
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If the mag tube is lubed suffecintly the shogun will function correctly and more lube will not increase the speed of the bbl .
 
struff55 said:
If the mag tube is lubed sufficiently the shogun will function correctly and more lube will not increase the speed of the bbl .
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Less lube, more friction. More lube, less friction. The Recoil Spring pushes the barrel forward, at this time the speed is retarded thru the use of the brake system and lubrication. Rendering the brake system less effective reduces it's ability to slow down the speed. There ain't no dial that sets the maximum speed once "the mag tube is lubed sufficiently."

If ya want to see max speed, remove all the rings, push the barrel rearward as far it will go then release it. This is the base line, speed can only be reduced from this point.
 
struff55 said:
If the mag tube is lubed sufficiently the shogun will function correctly and more lube will not increase the speed of the bbl .
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This is correct... lube on metal is lube on metal... more lube is simply more lube ... it may be wasted lube but it doesn't decrease the friction any more...
 
"In general, the more oil that is put on the magazine tube (or bronze friction piece), the easier this friction piece will slide on the tube; hence, a greater degree of recoil will be obtained."

Browning Auto-5 Field Service Manual

~~~

If the addition of more oil does not decrease friction, thereby not increasing bbl speed, then where does "a greater degree of recoil will be obtained" originate from?
 
Lodi said:
I used to service 100-200 A5's a year, primarily duck guns in wet weather. Over-lubing was an issue, tho not as bad as incorrect ring settings. Incorrect lubing in conjunction with wrong ring settings was common.

Some of the stuff that was used as lube was definitely not intended for guns, but when the shooting is hot and heavy...
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100-200 a5’s a yr were you at a shooting preserve
 
guntech said:
This is correct... lube on metal is lube on metal... more lube is simply more lube ... it may be wasted lube but it doesn't decrease the friction any more...
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Thanks guntech I to have been serving shotguns since 1976 not sure where these guys get this info o I know the internet it must be true . Put low viscoty lube on the mag tube and rings shoot until it does not cycle clean tube and re lube . Done
 
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