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Remington 1100 Autoloader Troubleshooting

Moderators: ripjack13, John A., MikeD, TuJays

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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Fri Nov 30, 2012 9:13 am
The feed latch needs to be held in place for you gun to function properly. Normally it is staked in (this is the dents you see)
As stated you will have to tap it back in flush, brownells sells a staking tool that will allow you to restake it, but I have had excellent results using super glue.

Make certain the both gas ports are open by pushing a piece of .030 - .060 mig welding wire thru both, keep in mind that the holes angle backwards, but you need to visibly see the wire protrude into the barrel. I think a 1/16" (.0625) drill bit will also pass thru and clean out any crude buildup in each hole. I will check my notes when I get home to let you know the exact diameter of the holes, but two open holes should allow it enough gas to function all day long.

Next, lets talk ammo! What are you using?
If the heads are steel instead of brass and your chamber is or has been rough, pitted, rusted, ect... Then when the shell is fired this steel head will expand into these minuet imperfections, this extra friction can cause the issues you describe.
Polishing your chamber with some steel wool wrapped around a cleaning brush chucked up in a cordless drill will clean it right up. Run it in and out until the outside of the barrel feels hot:)
We have done so much for so long with so little, we are now qualified to do anything with nothing!
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Copper BB
Posts: 4
Joined: Wed Mar 06, 2013 6:25 pm
Location: Illinois
PostPosted: Wed Mar 06, 2013 6:31 pm
I have an 1100 made in the '70s (?) and I wanted to know the date of manufacture. Any correlation to the serial number? If so, where can I find this info? I've seen info for barrels, but because they are interchangable the date need not be the shotgun's date.

Thanks.
In the words of The Beatles,
"When I hold you in my arms, and I feel my finger on your trigger.
I know nobody can do me no harm, because happiness is a warm gun, Momma.
Happiness is a warm gun, yes it is."
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Thu Mar 07, 2013 8:57 am
Call Remington and give them the serial number, they will tell you when it was born, however keep in mind they do make errors.

Back up what they tell you with this information;
DECODING REMINGTON SERIAL NUMBERS
Model 870 LETTER PREFIX
1950 TO APPROX 1968: NO SERIAL NUMBER PREFIX
1968 TO PRESENT: LETTERS USED (IN SEQUENCE)
S-68, T-74, V-78, W-84, X-90, A-91, B-94, C-97, D-01, AB-05

Model 870 LETTER SUFFIX (DESIGNATES GAUGE)
V 12 GA. (2 3/4”)
M 12 GA. MAGNUM (3”)
A 12 GA. “SUPER” MAGNUM (3 ½”)
W 16 GA. ( 2 ¾” )
X 20 GA. “HEAVY FRAME” (DISCONTINUED)
N 20 GA. “HEAVY FRAME MAGNUM” (DISCONTINUED)
K 20 GA. “LIGHT WEIGHT” (“LW”) (ALSO INCLUDES M/1100 “LT”)
U 20 GA. LW MAGNUM (ALSO INCLUDES M/1100 “LT”)
J 28 GA.
H .410 BORE (2 ½” OR 3”)

Model 1100 LETTER PREFIX
1963 TO APPROX. 1968: NO SERIAL NUMBER PREFIX
1968 TO PRESENT: LETTERS USED (IN SEQUENCE)
L-68, M-74, N-78, P-85, R-90


Model 1100 LETTER SUFFIX
SAME STRUCTURE AS THE Model 870 listed above

Model 1187 LETTER PREFIX
1987 TO PRESENT: “PC” 12 GA., 1999 “TL“ 20 GA.,
2000 “SM” SUPER MAG.

LETTER SUFFIX
NO LETTER SUFFIX ON THIS MODEL

Then look on the left side of the barrel near the receiver and look for a two letter date code stamp and follow this chart with the first letter being the month and the second being the year the barrel was made;
Month
B - Jan L - Feb A - Mar C - Apr K - May P - Jun
O - Jul W - Aug D - Sep E - Oct R - Nov X - Dec

Year
M - 1921 N - 1922 P - 1923 R - 1924 S - 1925
T - 1926 U - 1927 W - 1928 X - 1929 Y - 1930
Z - 1931 A - 1932 B - 1933 C - 1934 D - 1935
E - 1936 F - 1937 G - 1938 H - 1939 J - 1940
K - 1941 L - 1942 MM - 1943 NN - 1944 PP - 1945
RR - 1946 SS - 1947 TT - 1948 UU - 1949 WW - 1950
XX - 1951 YY - 1952 ZZ - 1953 A - 1954 B - 1955
C - 1956 D - 1957 E - 1958 F - 1959 G - 1960
H - 1961 J - 1962 K - 1963 L - 1964 M - 1965
N - 1966 P - 1967 R - 1968 S - 1969 T - 1970
U - 1971 W - 1972 X - 1973 Y - 1974 Z - 1975
I - 1976 O - 1977 Q - 1978 V - 1979 A - 1980
B - 1981 C - 1982 D - 1983 E - 1984 F - 1985
G - 1986 H - 1987 I - 1988 J - 1989 K - 1990
L - 1991 M - 1992 N - 1993 O - 1994 P - 1995
Q - 1996 R - 1997 S - 1998 T - 1999 (*) U - 2000 (*)
V - 2001 (*) W - 2002 X - 2003 Y - 2004 Z - 2005
A - 2006 B - 2007 C - 2008 D - 2009 E - 2010
F - 2011 G - 2012 H - 2013
We have done so much for so long with so little, we are now qualified to do anything with nothing!
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Copper BB
Posts: 4
Joined: Wed Mar 06, 2013 6:25 pm
Location: Illinois
PostPosted: Fri Mar 08, 2013 4:39 am
I called today and my 1100 serial number M******V was a 12 gauge 2 3/4 made in 1975, which is what I expected.

Thanks.
In the words of The Beatles,
"When I hold you in my arms, and I feel my finger on your trigger.
I know nobody can do me no harm, because happiness is a warm gun, Momma.
Happiness is a warm gun, yes it is."

Copper BB
Posts: 4
Joined: Sun Mar 24, 2013 4:13 pm
PostPosted: Sun Mar 24, 2013 4:33 pm
I am new to this forum and I am having problems with my auto loading remington 1100 12g. the problem I am having is I can fire the gun and it will extract the the spent round but will not load the second round it gets cot by the carrier plate because the does not hang low enough. have any of you experienced this issue and or know how to fix this issue.
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Sun Mar 24, 2013 6:15 pm
What shells are you shooting?

And

Please describe the "hangs low enough" part in more detail as I am not sure what you are saying.
Pictures would help:)
We have done so much for so long with so little, we are now qualified to do anything with nothing!

Copper BB
Posts: 4
Joined: Sun Mar 24, 2013 4:13 pm
PostPosted: Sun Mar 24, 2013 11:48 pm
Well the shells i have right now are federal target load 2 3/4, not sure off hand of the other types I have used but none of the types i have used have made a differents.
(The carrier stops the shell from loading) The carrier hangs up and jams the shell so the shell wont load. Sorry if I am not making sense I don't really know how to explain what is going on.
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Mon Mar 25, 2013 8:21 am
How old is the gun?
Have you ever completely cleaned it?
How much has it been fired?

I still am not certain about your description, but a good detailed cleaning would be the first thing I would advise. This includes completely striping the gun down, cleaning, and lubricating everything. This is also a good time to check for worn, damaged, loose parts...debris etc.
Clean the gas ports located in the barrel ring.
Clean the inside of the magazine tube, spring and follower.
remove the bolt, trigger mechanism and clean and lube all parts.
Make sure the O ring is not broken or badly damaged and that the two seals are installed correctly.
Lightly oil the outside of the mag tube and action sleeve, 1100's do not like to be dry.

Unless it is a mechanical failure, most all 1100 issues can be corrected with a good timely cleaning. They are awesome firearms that will go and go and go, but eventually they need to be cleaned in ways other than just wiping them down to keep everything in time. If you have never done this then I suggest finding a local gun smith that can help you.
We have done so much for so long with so little, we are now qualified to do anything with nothing!

Copper BB
Posts: 4
Joined: Sun Mar 24, 2013 4:13 pm
PostPosted: Mon Mar 25, 2013 9:04 pm
I have cleaned the gun a few times and none of the times have fixed the issue tho I have not cleaned the trigger assembly. Here are a few pictures to maybe help illustrate the issue I am running in to.
http://s1272.photobucket.com/user/coder ... ry/?page=1
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Mon Mar 25, 2013 10:18 pm
its dirty.....pull the bolt handle out, remove the bolt, knock out the two trigger pins and remove the whole trigger group.......clean it all inside and out, lightly oil and reassemble, and you should be good to go.
We have done so much for so long with so little, we are now qualified to do anything with nothing!

Copper BB
Posts: 4
Joined: Sun Mar 24, 2013 4:13 pm
PostPosted: Mon Mar 25, 2013 10:40 pm
I have pulled it all out and oiled them and actually I just put them back together for the pictures and when I put it back together and was examining it some more I am starting to thinking it might be the the feed latch might be bad.
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Tue Mar 26, 2013 7:25 am
you may be onto something....they can get bent, break, or come unstaked causing feed issues.
We have done so much for so long with so little, we are now qualified to do anything with nothing!

Copper BB
Posts: 2
Joined: Fri Mar 29, 2013 6:50 pm
PostPosted: Fri Mar 29, 2013 6:54 pm
Hello everybody,

Glad I found this place. My uncle is usually my source of knowledge, but it helps to have other outlets.

I recently discovered my action bar to be broken after a jam on the skeet field last week. My theory is the break was due to my loose stock causing abnormal operating conditions, but regardless I have a question.

Will the "new style" action bar fit my "old style" 1100?

I have purchased one from Brownells and after a side-by-side, it is definitely the new style with no ball pinned on the carrier.

Any help is greatly appreciated,

Thanks
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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Tue Apr 02, 2013 6:52 am
IDK, I have never had to replace one.
Did you give it a try?
We have done so much for so long with so little, we are now qualified to do anything with nothing!

Copper BB
Posts: 2
Joined: Fri Mar 29, 2013 6:50 pm
PostPosted: Wed Apr 10, 2013 5:51 pm
Hello,

I am positive that it will fit, but there are distinct differences that I don't think will allow correct operation. I'm going to have to find an old style bar, but thankfully brownell's offers no-questions asked returns!

Thanks

Copper BB
Posts: 2
Joined: Fri Apr 19, 2013 9:14 pm
PostPosted: Fri Apr 19, 2013 9:26 pm
I have a 1972 Remington 1100 mag 12 gauge. I am having trouble with the gun locking back with shells in mag . I fire round it ejects nicely but does not chamber next round. the round come out of mag and stops. it is like the round is not hitting the release when it leaves the mag. I have new mag spring and mag stop. if anyone has ne ideas I would love to hear them

Copper BB
Posts: 2
Joined: Fri Apr 19, 2013 9:14 pm
PostPosted: Fri Apr 19, 2013 9:42 pm
ballawc did the action bar work in your gun? if not I buy my parts from midwayusa.com

Copper BB
Posts: 4
Joined: Mon Mar 03, 2014 10:02 am
Location: Hague, Virginia
PostPosted: Mon Mar 03, 2014 11:30 am
Not sure whether I should do a new post or just continue this thread.

My problem is that I cannot remove the action spring on my 1100. Stock is removed, and the pin is out of the slot in the aluminum retainer, but it will only move about 1/4" before it binds. The tube does not appear to be deformed. I tried to insert a drill bit in there to ream it out some, but it keeps grabbing the end of the aluminum spring retainer, so I stopped that before it messed up the retainer. Any ideas on how to get that out?

Copper BB
Posts: 4
Joined: Sun Aug 03, 2014 4:09 pm
PostPosted: Mon Aug 04, 2014 4:50 am
Hi guys. Recently I have been receiving some trouble. I have a fairly old model 1100, which I fitted with an extended tube (carries 11 x 2 3/4" shells) and a dot for open-class 3-gun shooting.
The initial problem was that the carrier plate didn't always lift all the way, and the shell would ram into the chamber. However when I shot it the weekend, for the first time in month, that problem was gone but a new one appeared. First stage I used 35 gr AAA rounds, but every now and again the magazine tube would not eject the next round. Strangely the firearm worked fine with 28 gr rounds.
I consulted my Remington book, and the most plausible problem I could find was that the shells are recoiling into the magazine tube upon firing.
Do you guys think this is why the 28 gr's worked but not the 35's? If so, can anyone tell me what the correct magazine tube spring length should be, because I thing mine might be too short.

Hope someone can help!

Copper BB
Posts: 4
Joined: Sun Aug 03, 2014 4:09 pm
PostPosted: Mon Aug 04, 2014 4:54 am
powerline10 wrote:I have a 1972 Remington 1100 mag 12 gauge. I am having trouble with the gun locking back with shells in mag . I fire round it ejects nicely but does not chamber next round. the round come out of mag and stops. it is like the round is not hitting the release when it leaves the mag. I have new mag spring and mag stop. if anyone has ne ideas I would love to hear them


Hi powerline10, I'm not sure what you use your 1100 for. But the first thing I did when I got mine was to disable the bolt catch.
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.270 WIN
Posts: 214
Joined: Fri Dec 19, 2014 6:31 am
Location: Williamsburg, Va.
PostPosted: Wed Jan 07, 2015 4:58 am
codered7 wrote:I have pulled it all out and oiled them and actually I just put them back together for the pictures and when I put it back together and was examining it some more I am starting to thinking it might be the the feed latch might be bad.

Looks like the tip is broken off on your feed latch allowing the round to protrude too far into the receiver, hanging up the carrier.
What could have happened... did.
User avatar
.270 WIN
Posts: 214
Joined: Fri Dec 19, 2014 6:31 am
Location: Williamsburg, Va.
PostPosted: Wed Jan 07, 2015 5:00 am
ballawc wrote:Hello,
I am positive that it will fit, but there are distinct differences that I don't think will allow correct operation. I'm going to have to find an old style bar, but thankfully brownell's offers no-questions asked returns!
Thanks

All you need with the new action bar is a new operating handle with the detent on the rear surface to allow it to work with the new bar. You can file a detent in your old handle with a small round file.
What could have happened... did.
User avatar
.270 WIN
Posts: 214
Joined: Fri Dec 19, 2014 6:31 am
Location: Williamsburg, Va.
PostPosted: Wed Jan 07, 2015 5:03 am
I am of the opinion that having one thread for discussing problems is not good. I would suggest starting a new thread for any problem.
What could have happened... did.

Copper BB
Posts: 6
Joined: Mon Jun 01, 2015 7:26 pm
PostPosted: Tue Jun 02, 2015 7:07 pm
First off I want to Hi to everyone and then on to my problem,, soo HI Yall
OK I have an LT 20 and this old gal has been a shooter for over 30 years, I took her out of the box brand new. So at a Lodge Sporting Clay shoot Sunday, all was well un till it fired the first round and jammed the second.. Skinned fingers and a bunch of naughty words later I got the second shell back in the tube and tried again,,, same thing,, go it out and tried a different box of shells,, same result,, OK so I put a new barrel seal on that's the most common problem,,, same results, first round fires ejects second round jams coming out of the tube about half the length of the shell.. Tore it all down washed everything out with brake clean removed EVERYTHING, cleaned and lightly oiled,,, put it all back together and tried it again,,,, same problem. Please somebody give me a direction to go with this Im pulling out what little hair I have left..
Thanks much


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.270 WIN
Posts: 216
Joined: Sat Oct 27, 2012 10:08 pm
PostPosted: Fri Jun 05, 2015 7:44 am
you did not specifically mention this so I must ask....

have you cleaned out the gas port/ports located inside the barrel ring?
We have done so much for so long with so little, we are now qualified to do anything with nothing!
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