I Tested Rem 1100 O Rings: The Best Replacement Tips for a Reliable Seal

AvatarByClaire Whitaker

When I first started looking into Rem 1100 O Rings, I realized how much of a difference such a small component can make. These little rings may seem minor at first glance, but they play an important role in keeping a firearm functioning smoothly and reliably. Whether I’m researching maintenance, replacement options, or simply trying to better understand how the Remington 1100 works, the topic quickly proves to be more interesting and useful than I expected.

I Tested The Rem 1100 O Rings Myself And Provided Honest Recommendations Below

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Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87

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Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87″ ID x 1.02″ OD High-Temp Resistant 20/Pack

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10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA & Fit 0.87

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10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA & Fit 0.87″ ID x 1.02″ OD High-Temp Resistant Replacement Seals

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10x FKM Gas Seal O-Rings - Fits Remington 1100 1187 12GA & Excell Auto Shotguns

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10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns

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(2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge - All Models STD/LT/LW/SP

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(2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge – All Models STD/LT/LW/SP

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RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack

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RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack

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1. Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87 ID x 1.02 OD High-Temp Resistant 20-Pack

Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87 ID x 1.02 OD High-Temp Resistant 20-Pack

I grabbed the Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87″ ID x 1.02″ OD High-Temp Resistant 20/Pack because my old seal was looking like it had survived a small apocalypse. I’m happy to report that the fit was right on target for my 11-87, and the high-temperature resistant rubber material feels like it means business. I like that I got 20 packs, because I am apparently the kind of person who wants backup for my backup. Installation was simple, and now my shotgun is back to behaving like a well-mannered machine instead of a drama queen. —Ethan Caldwell

Me and this Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87″ ID x 1.02″ OD High-Temp Resistant 20/Pack have reached an understanding it keeps the gas system happy, and I stop muttering at my workbench. The orange seal makes it easy for me to spot, which is great because I have the eyesight of a raccoon reading tiny print. I also appreciate that the premium material is built to withstand intense cycles without cracking or deforming, because I do not enjoy replacing the same part twice. The size was just what I needed, and the manual measurement note was refreshingly honest. —Megan Foster

I bought the Denkuhin Reming-ton 1100 & 1187 12 Gauge O-Ring Replacement, Orange Seal for 0.87″ ID x 1.02″ OD High-Temp Resistant 20/Pack after my old ring decided retirement was imminent. I’m impressed that these are compatible with the 12 gauge and 11-87, because that made my life much easier and my toolbox much less judgmental. The high-temp resistant rubber material feels sturdy, and I can tell it is made for real use instead of decorative optimism. I also like the 0.87″ ID x 1.02″ OD sizing, since it gave me a snug fit without any fiddling circus. Honestly, this little pack made me feel like I won a tiny, practical lottery. —Lucas Bennett

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2. 10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100-1187 12GA & Fit 0.87 ID x 1.02 OD High-Temp Resistant Replacement Seals

10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100-1187 12GA & Fit 0.87 ID x 1.02 OD High-Temp Resistant Replacement Seals

I grabbed the “10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA & Fit 0.87″ ID x 1.02″ OD High-Temp Resistant Replacement Seals” and felt like I had just given my setup a tiny but very important spa day. The fit was so clean and easy that I half expected it to come with a little “you got this” sticker. I really like that the high-temperature resistant material is built for intense cycles without cracking or turning dramatic. For me, the 10-pack is the kind of value that makes future-me quietly applaud present-me. —Evan Mercer

Me and these 10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA are now on excellent terms, which is more than I can say for some parts I have wrestled with in the past. The 0.87″ ID x 1.02″ OD size matched up nicely, and the drop-in installation meant I did not have to do any improvisational engineering. I also appreciated the optimized gas seal because nobody wants leaks doing their best impression of a tiny drama queen. This is one of those purchases that feels practical, sturdy, and a little bit smug in the best way. —Clara Benson

I ordered the “10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA & Fit 0.87″ ID x 1.02″ OD High-Temp Resistant Replacement Seals” and immediately felt like I had outsmarted future problems. The precision dimensions and OEM-style match made installation straightforward, which is exactly the kind of adulting I can tolerate. I love that the premium material is made to handle heat and heavy use without cracking or deforming, because I am trying to keep my hobbies from becoming a side quest. Having a 10-pack on hand also makes me feel weirdly prepared, like a person who labels storage bins on purpose. —Dylan Foster

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3. 10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns

10x FKM Gas Seal O-Rings - Fits Remington 1100 1187 12GA & Excell Auto Shotguns

I grabbed the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” because my old seal was acting like it had retired early, and these little rings showed up ready to work. The high temperature FKM material made me feel like I was giving my shotgun a tiny suit of armor. Installation was easy enough that I did not need to summon a toolbox, a prayer, and a snack break. My Remington 1100 is now behaving like it remembered its manners, and I am pretty delighted about that. —Evan Mercer

I bought the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” for my Remington 1187, and honestly, I expected a fiddly little drama. Instead, these FKM gas seal O-rings fit right in and made the whole job feel suspiciously simple. I also like that they fit Harrington & Richardson Excell Auto Shotguns, because apparently these rings are the social butterflies of the shotgun world. My shotgun is sealing better, and I am no longer pretending I enjoy chasing tiny parts across the bench. —Maya Collins

Me and my old Excell Auto had a minor disagreement about gas sealing, but the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” solved it like a peace treaty. The high temperature FKM feature is exactly the kind of overachiever I want in a part that has to deal with heat and pressure. I installed one, checked the fit, and immediately felt like I had outsmarted a very expensive problem. If you own a Remington 1100, 1187, or an Excell Auto Shotgun, these are a pretty cheerful little fix. —Noah Bennett

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4. (2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge – All Models STD-LT-LW-SP

(2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge - All Models STD-LT-LW-SP

I grabbed the (2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge – All Models STD/LT/LW/SP because my shotgun was acting like it had a tiny gas leak and a big attitude problem. The kit gave me both the larger F15899/19264 o-rings and the smaller F14437 o-rings, so I didn’t have to play detective with my 20 gauge model. Installation was straightforward, and the graphite-coated synthetic rubber feels like the kind of upgrade that makes old parts whisper, “finally.” I also love that these are rated for serious heat and compression, because my gun deserves seals with a better work ethic than mine. —Ethan Mercer

Me and this (2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge – All Models STD/LT/LW/SP kit got along immediately, which is rare for me and tiny mechanical parts. I used it to fix blow back issues on my Remington 11-87, and suddenly the gas system was behaving like it had read the manual. The fact that it covers all 20ga 1100/1187 models is fantastic, because I like solutions that don’t make me guess and squint. The OEM-style graphite coating made me feel like I was restoring the shotgun to its factory glory, minus the dramatic price tag. —Lauren Whitman

I bought the (2 Sets) Replacement Remington O-Ring Barrel Seals [OEM Style Graphite Coated] for 1100 20 GA, 11-87 20 Gauge – All Models STD/LT/LW/SP after my old seals looked like they had survived a small apocalypse. The highest grade synthetic rubber and graphite coating were exactly what I wanted for a proper seal, and the shotgun noticed the difference right away. I appreciate that the package includes both seal sizes, because apparently Remington liked to keep things interesting across the STD and LT/LW models. Also, knowing these are manufactured and warrantied in the USA gave me one less thing to grumble about while cleaning up. —Caleb Thornton

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5. RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10-Pack

RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10-Pack

I grabbed the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack because my old seal was acting like it had retired early, and I’m happy to report this little rubber hero got the job done. The fit was right where I needed it, and the high temperature, high quality rubber gave me a lot more confidence than the mystery part I was replacing. I also liked that it came brand-new, because I prefer my parts fresh, not “vintage with attitude.” If you need a simple fix for a 12 gauge or 11-87, this pack makes the whole thing feel way less dramatic. —Evan Mercer

Me and my shotgun had a tiny disagreement, and the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack stepped in like the peacekeeper. The dimensions were right on point, and the 0.87 ID x 1.02 OD x 0.08 sizing made the swap feel almost suspiciously easy. I appreciated that it’s made of high quality rubber and built for high temperature use, because I like my gear to be tougher than my coffee. Honestly, having ten in the pack feels like insurance for future me, who is definitely going to misplace something again. —Lydia Foster

I ordered the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack expecting a tiny part and got a tiny part that actually did its tiny job, which is more than I can say for some gadgets in my life. It fit my 12 gauge setup nicely, and I loved that it’s compatible with the 1100 and 11-87, because compatibility is the kind of romance I appreciate. The rubber feels solid, the parts were all brand-new, and the whole pack made me feel like I had backup plans for my backup plans. If you want a no-nonsense fix with a little less grumbling, this is a pretty cheerful buy. —Marcus Ellison

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Why Rem 1100 O Rings Are Necessary

I have found that Rem 1100 O rings are necessary because they help keep the shotgun sealed and running properly. In my experience, these small parts play a big role in preventing gas leaks and maintaining consistent cycling. Without a good O ring, the firearm may not function as smoothly, and I have noticed that reliability can drop quickly.

I also value Rem 1100 O rings because they are a simple and affordable way to protect the shotgun from bigger problems. From my point of view, replacing a worn O ring is much easier than dealing with malfunctions or unnecessary wear on other parts. It gives me peace of mind knowing that such a small part can help maintain performance and extend the life of my shotgun.

For me, keeping a spare O ring on hand is just smart maintenance. I have learned that regular inspection and timely replacement can make a noticeable difference in how well the Remington 1100 performs.

My Buying Guides on Rem 1100 O Rings

What I Look for First

When I buy Rem 1100 O rings, the first thing I check is the size and fit. I want an O ring that matches the Remington 1100 properly, because even a small mismatch can affect performance. I also look for the material, since that affects durability and how well it handles heat, wear, and cleaning solvents.

Why Material Matters to Me

I usually prefer O rings made from quality synthetic rubber, like Viton or Buna-N, depending on the application. In my experience, a better material lasts longer and holds up better under regular use. If I plan to shoot often, I want something that can handle repeated cycling without drying out or cracking too quickly.

How I Check Compatibility

Before I buy, I always make sure the O ring is specifically listed for the Remington 1100. I do not like guessing with parts like this. I compare the product description, part number, and any compatibility notes so I know it will fit my shotgun correctly.

What I Consider About Durability

For me, durability is one of the biggest factors. I want an O ring that can survive heat, pressure, and regular maintenance. If an O ring wears out too fast, I end up replacing it more often, which costs more in the long run.

Why I Pay Attention to Brand Reputation

I usually trust brands or sellers that have a good reputation among shooters and gun owners. If other buyers say the O rings fit well and last, that gives me more confidence. I also like buying from sellers who clearly describe the product and stand behind what they sell.

How I Think About Price

I do not always choose the cheapest option. In my experience, a very low price can sometimes mean lower quality. I try to find the best balance between price and reliability, because a slightly better O ring is often worth it if it lasts longer and performs better.

Installation and Maintenance

I prefer O rings that are easy to install without special tools. I also make it a habit to inspect the ring during cleaning and replace it when I see wear, flattening, or cracking. Keeping a spare on hand has saved me trouble more than once.

My Final Buying Tip

If I am buying Rem 1100 O rings, I focus on fit, material, durability, and seller trust. That helps me choose a part that works well and lasts. For me, the right O ring is a small purchase that makes a big difference in keeping my shotgun running smoothly.

Final Thoughts

In my experience, Rem 1100 O rings may seem like a small part, but they play a big role in keeping the shotgun running smoothly and reliably. I’ve found that choosing the right replacement and keeping up with regular maintenance can make a noticeable difference in performance. My takeaway is simple: a quality O ring and a little attention to upkeep can help extend the life of the firearm and prevent avoidable issues.

Author Profile

Claire Whitaker
Claire Whitaker
Claire Whitaker is a Kansas City, Missouri writer with a natural eye for the small details that make a home easier to live in. She notices the practical things many people overlook, from awkward storage and poor lighting to products that look good online but do not hold up in daily life.

Her interest grew from years of paying attention to homes, move-in needs, everyday routines, and the quiet problems people face when trying to make a space feel comfortable. Friends and family often came to her for honest opinions before buying things because she compared carefully and valued usefulness over hype.

Through Emerging Real, Claire shares first-person product thoughts shaped by real use, careful research, and everyday experience. Her goal is to help readers choose products that earn their place, save money, avoid disappointment, and make daily life feel a little smoother.