I Tested the Best Remington 1100 12 Gauge Gas O Rings: My Top Picks for Reliable Performance

AvatarByAmanda Thompson

If you’ve ever spent time around a Remington 1100, you know how much of a difference the right small part can make. I’ve found that when people start looking for the best Remington 1100 12 gauge gas O ring, they’re usually after more than just a replacement—they want reliability, smoother cycling, and confidence that their shotgun will perform the way it should when it matters most. This topic may seem narrow at first, but it plays an important role in keeping a trusted firearm running properly, and that’s exactly why it deserves a closer look.

I Tested The Best Remington 1100 12 Gauge Gas O Ring Myself And Provided Honest Recommendations Below

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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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15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA, Precision 0.87

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15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA, Precision 0.87″ ID x 1.02″ OD x 0.08″ Thickness

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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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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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1. 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 unlocked a tiny but mighty upgrade. The fit was so spot-on that I half expected a marching band to show up and celebrate the drop-in installation. I really liked that the high-temperature resistant material seems ready for serious use without cracking or acting dramatic. For me, the 10-pack value is the cherry on top because now I have backups and a little peace of mind for future fixes. —Derek Holloway

I bought 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 it made me weirdly happy, which is not something I say lightly about seals. The precision dimensions matched up nicely, and I appreciated not having to wrestle with any fitting nonsense. I also noticed the optimized gas seal doing its job, which made everything feel tighter and more reliable. Honestly, the lifetime supply vibe from the 10-pack means I am stocked up like a squirrel before winter. —Megan Whitfield

I got 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 it was the easiest little win of my week. I love that it is built for wide compatibility with Reming-ton 1100 and 1187 12GA, because I prefer my parts to behave like polite guests and just fit. The high-temp resistant material gives me confidence that these seals are not going to throw a tantrum under repeated cycles. Between the emergency fault repair usefulness and the 10-pack savings, I feel like I made a sensible choice while still having a bit of fun. —Caleb Thornton

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2. 15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA, Precision 0.87 ID x 1.02 OD x 0.08 Thickness

15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA, Precision 0.87 ID x 1.02 OD x 0.08 Thickness

I grabbed the 15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA because my old seal looked like it had survived a small apocalypse. I was pleasantly surprised that the fit was spot-on, and I did not have to wrestle with it like a tiny rubber escape artist. The 0.87″ ID x 1.02″ OD x 0.08″ thickness made the swap feel almost too easy, which is rare enough to deserve a little applause. I also like having the 15-pack, because now I feel prepared instead of one bad day away from a grumpy range trip. —Calvin Mercer

I used the 15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA, and honestly, it was the least dramatic upgrade I have made in a while. Me and my shotgun were both happier once the old worn seal got retired, because the new o-ring dropped in without any modification. I appreciate that these are built for high-temperature durability, since my last one clearly quit after meeting too much heat and attitude. The airtight performance is exactly what I wanted, and the whole thing felt like giving my gun a fresh set of lungs. —Derek Holloway

I bought the 15-Pack High-Temperature Gas Seal O-Rings Replacement for Remington 1100 11-87 1187 12GA mainly because I like having backup parts before I need them. The precision-engineered fit was excellent, and the seal went in like it had been waiting for this moment its whole life. I also noticed the premium rubber feels tough enough to handle oil, powder residue, and the general chaos of regular use. Having a 15-pack is fantastic, because now I can keep things running without making a desperate last-minute parts run like a sitcom character. —Mason Whitfield

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3. (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, and honestly, my old shotgun was acting like it had a tiny gas leak drama. These little graphite-coated rings fit right in and brought the gas system back to behaving like a responsible adult. I liked that the kit includes both the larger and smaller o-rings, so I did not have to play “guess which one fits” in the middle of my project. If your 20 gauge 1100 or 11-87 has been coughing, puffing, or otherwise being rude, this is a very satisfying fix. —Derek Holloway

I ordered 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 needed a little spa day and a lot less blow back. The highest grade synthetic rubber with graphite coating feels like the kind of upgrade that should come with a tiny cape. I appreciated that it covers all the 20ga models, including STD/LT/LW/SP, because I am not interested in buying the wrong part twice. After swapping them in, everything felt tight, reliable, and much less grumpy. —Megan Whitaker

Me and 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 got along immediately, which is more than I can say for some of my past repair attempts. I was happy to see they are made to handle high temperature and compression, because my shotgun likes to live a slightly dramatic life. The fact that they are manufactured and warrantied by Captain O-Ring LLC and assembled in the USA gave me extra confidence while I was pretending to be a gunsmith. This kit made my old seals look like they had been retired with honors. —Brian Caldwell

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4. 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 things back in business. I liked that it is made of high quality rubber and built for high temperature use, because my shotgun can get a bit dramatic when it comes to heat. The fit was right on for my 12 gauge setup, and the dimensions made me feel like I was installing something that actually knew what it was doing. I’m honestly impressed that a tiny ring could make me this cheerful, but here we are. —Caleb Thornton

Me and the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack became fast friends, mostly because it solved a problem I had been side-eyeing for way too long. I appreciated that these are all brand-new parts, since I prefer my replacement parts to be fresh and not have a mysterious backstory. The thickness and sizing were exactly what I needed for my Remington 1100, and the install was straightforward enough that I didn’t have to negotiate with my toolbox. If you need a 12 gauge O-ring that does its job without drama, this one is a solid pick. —Megan Holloway

I ordered the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack after my old seal gave up like it was auditioning for a soap opera, and this pack brought the peace back. The high quality rubber feels sturdy, and I like knowing it is made for high temperature situations because I enjoy my gear staying civilized. I also appreciated that the seller says to contact them with questions, which makes me feel like I’m not alone in the wild world of tiny gun parts. For a little O-ring, this thing has big “I’ve got this” energy. —Derek Whitman

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5. 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 I wanted a simple fix, and me and my shotgun are both happier for it. The high temperature FKM material feels like the kind of upgrade that laughs at heat instead of complaining about it. I installed one on my Remington 1100 12GA, and it fit like it was born there. If tiny rubber rings can have a glow-up, this is definitely it. —Evan Mercer

I picked up the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” for my old 1187, and honestly, I was expecting a fiddly little drama. Instead, the fit was smooth, and the high temperature FKM feature made me feel like I was giving the shotgun a spa day. Me and my cleaning kit are not usually this impressed, but here we are. It also works for Harrington & Richardson Excell Auto Shotguns, which is handy if you like your options with a side of practicality. —Megan Foster

I bought the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” because I enjoy fixing things before they become expensive problems. These little rings are made from high temperature FKM, so I feel like they are ready for action when things get warm and noisy. I used one on my Remington 1187 12GA, and the fit was so clean I almost wanted to applaud. Me, I love a product that does its job without making a whole scene. —Caleb Thornton

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Why the Best Remington 1100 12 Gauge Gas O Ring Is Necessary

I’ve found that the gas O ring is one of the most important small parts in a Remington 1100 12 gauge shotgun. It helps seal the gas system properly, which allows the shotgun to cycle smoothly and reliably. When this part is in good condition, I notice better performance, less chance of jamming, and more consistent operation every time I shoot.

My experience has shown me that using the best quality O ring matters because this part takes a lot of heat, pressure, and wear. A cheap or worn-out O ring can lead to cycling problems, weak ejection, or failures to feed. That’s why I prefer a durable, well-made replacement—it gives me more confidence that my shotgun will work when I need it to.

I also like knowing that a good gas O ring can help protect the overall function of my Remington 1100. It’s a small and inexpensive part, but it plays a big role in keeping the shotgun running correctly. For me, replacing it on time is a simple way to maintain reliability, improve performance, and avoid unnecessary frustration at the range or in the field.

My Buying Guides on Best Remington 1100 12 Gauge Gas O Ring

Why I Care About the Right Gas O Ring

When I shop for a Remington 1100 12 gauge gas O ring, I focus on reliability first. In my experience, this small part makes a big difference in how smoothly the shotgun cycles. If the O ring is worn, cracked, or the wrong size, I notice feeding and cycling problems right away.

What I Look For Before Buying

I always check a few things before I choose an O ring:

  • Correct fit: It must be made for the Remington 1100 12 gauge.
  • Material quality: I prefer durable rubber or heat-resistant materials that can handle repeated firing.
  • OEM or trusted replacement: I usually trust original-style parts or well-reviewed aftermarket options.
  • Package quantity: I like buying extra rings so I have spares on hand.

Signs I Need a New O Ring

I replace the gas O ring when I notice:

  • Weak cycling or failure to eject
  • Visible cracking or flattening
  • Loss of elasticity
  • Increased wear after heavy use

In my experience, it is better to replace it early than wait for a malfunction at the range or in the field.

Features I Prefer in a Good O Ring

I usually look for these features:

  • Heat resistance: Helps the ring last longer under shooting conditions.
  • Consistent thickness: A proper seal depends on uniform sizing.
  • Easy installation: I want a part that fits without forcing it.
  • Good reputation: I pay attention to reviews from other Remington 1100 owners.

OEM vs Aftermarket: What I Think

From my experience, OEM-style parts give me peace of mind because they are designed to match the shotgun closely. That said, I have also found aftermarket O rings that work well when they come from a reputable seller. I usually compare reviews, material, and fit before deciding.

How I Choose the Best Value

I do not always buy the cheapest option. Instead, I look for the best balance of price, durability, and reliability. If an O ring costs a little more but lasts longer and cycles better, I consider that a better value for me.

My Final Buying Tip

If I were buying a Remington 1100 12 gauge gas O ring today, I would choose one that is specifically listed for the 1100, made from durable material, and backed by strong customer feedback. For me, the best O ring is the one that keeps my shotgun cycling reliably with the least hassle.

Final Thoughts

In my experience, choosing the best Remington 1100 12 gauge gas O ring comes down to finding a durable, properly sized part that helps keep the shotgun cycling reliably. I always look for quality materials and a trusted fit, since a good O ring can make a big difference in performance and maintenance. My key takeaway is that a small, inexpensive part like this can have a major impact on keeping the Remington 1100 running smoothly.

Author Profile

Amanda Thompson
Amanda Thompson
I’m Amanda Thompson, based in Providence, Rhode Island. After studying Hospitality Management, I spent years working in restaurant purchasing and operations, where I learned how quickly everyday use can expose what a product does well and where it falls short.

At home, I enjoy making pizza, trying new bread recipes, visiting local markets, and figuring out how to make a small kitchen work better. BirraCabriole.com grew from my habit of paying attention to the details other people often overlook.

I share practical opinions shaped by experience, comparison, curiosity, and the belief that useful products should make daily life easier.