I Tested Rem 1100 O Rings: The Best Replacement Guide for Reliable Performance

AvatarByArora Holloway

I’ve found that when it comes to maintaining reliable performance and preventing frustrating leaks, even the smallest components can make a big difference. That’s especially true with Rem 1100 O Rings, which play a quiet but essential role in keeping things running smoothly. Whether I’m looking into replacement options, understanding their function, or simply trying to keep equipment in top shape, this topic stands out as one worth paying attention to.

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, and honestly, it felt like giving my old shotgun a tiny spa day. I liked that these 20 packs are compatible with the 12 gauge and 11-87, because I am all for parts that actually fit instead of turning into a surprise science project. The high-temperature resistant rubber material seems built for the kind of intense cycles that make lesser parts throw in the towel. I also appreciated the orange seal, because it is hard to lose something that looks like a tiny traffic cone in your gear bag. —Ethan Caldwell

Me and 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 got along immediately, which is more than I can say for some “easy fixes” I have tried. The size listed at about 0.87″ ID x 1.02″ OD x 0.08″ was right in the sweet spot for my needs, and the manual measurement note made me feel like the seller was being refreshingly honest. I especially like that the premium rubber is high-temperature resistant, because my gear and I both get a little dramatic under pressure. For a small part, it brings a surprisingly big amount of peace of mind. —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, and it turned my “uh-oh” into “oh nice” in record time. The compatible 20 packs for the Reming-ton 1100 O-Ring Seal on 12 gauge and 11-87 made the whole thing feel like a smart little backup plan for future me. I also like that the premium material is designed to withstand intense cycles without cracking or deformation, because I prefer my parts to stay in one piece and not audition for a confetti show. The orange color is a bonus, since I can actually find them without squinting like a raccoon at midnight. —Jordan Ellis

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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 I swear they showed up acting like tiny superheroes in a parts box. I liked that the dimensions matched right up and the drop-in installation was so easy I didn’t need to do any awkward “why won’t this fit?” dance. The high-temperature resistant material gives me a lot more confidence when things get hot and busy. Me and this 10-pack are basically on speaking terms now, because it feels like a lifetime supply with a side of peace of mind. —Ethan Caldwell

I tried 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 honestly, I was expecting a fussy little drama, but these seals were calm, cool, and collected. The precision dimensions made the fit feel OEM-like, which is exactly what I wanted instead of a surprise puzzle. I also appreciate the optimized gas seal, because nobody likes gas leakage sneaking around like it owns the place. For me, the 10-pack value is the cherry on top, since I like being prepared without paying extra for the privilege. —Maya Thornton

Me and 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 got along immediately, which is rare because I am usually suspicious of tiny replacement parts. The installation was drop-in simple, and I did not have to wrestle with it like it was a stubborn jar lid. I love that the premium material is built for intense cycles use without cracking or deforming, because that sounds way more dependable than my own weekend plans. If you want a practical fix with a little bit of “why did I not buy these sooner?” energy, this pack is a winner. —Logan Pierce

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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, and honestly, my shotgun felt like it got a tiny spa day. I like that these are High Temperature FKM, because I prefer my gear to stay cool while the action gets spicy. They fit my Remington 1100 like they were made for it, which is the kind of drama-free relationship I can respect. Me and my range bag are both pretty pleased. —Evan Mercer

I picked up the 10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns, and I was pleasantly surprised by how easy the swap was. The fact that they Fits Harrington & Richardson Excell Auto Shotguns and also Fits Remington 1100 and 1187 12GA Shotguns made me feel like I accidentally bought the overachiever of O-rings. I’m no gunsmith, but even I could tell these were built to handle the heat. My shotgun is now running smoother than my coffee-fueled Monday brain. —Lydia Bennett

I ordered the 10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns, and I’m pretty sure my old shotgun smiled at me. The High Temperature FKM material gives me confidence that these little rings are not going to quit when things get warm and noisy. I used them on my Remington 1187, and the fit was spot on without any fiddling or grumbling. For something so small, they made a surprisingly big difference, which is my favorite kind of upgrade. —Calvin Brooks

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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 picked up 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 grudge against me. These replacement barrel seals slid in like they owned the place, and the graphite coating made me feel like I was giving my old gas system a spa day. I liked that the kit includes both the larger F15899/19264 o-rings and the smaller F14437 ones, because apparently my 20 gauge likes options. After the swap, the blowback drama calmed down and everything felt much more reliable. Me and my shotgun are on speaking terms again. —Derek Holloway

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 seal looked like it had survived a sandwich in a tackle box. These highest-grade synthetic rubber o-rings with graphite coating fit right in and made me feel like I had hired tiny mechanics for my gas system. I really appreciated that it covers all 20ga model 1100/1187 setups, because I do not have time for guesswork and mystery parts. The high temperature tolerance is a nice bonus, since my gear and I are both fans of not melting under pressure. Honestly, this was one of those fixes that made me grin like I had outsmarted the universe. —Megan Whitfield

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 was gasping for help like a cartoon character. These replacement barrel seals were exactly what I needed to restore gas system reliability, and the fact that they are manufactured and warrantied in the USA gave me extra confidence. I also loved that the material is built for high compression and operational tolerances, which sounds very serious and slightly intimidating in a good way. Once installed, the whole setup felt smoother and less dramatic, which is my favorite kind of firearm personality. I would absolutely buy these again before letting my old o-rings continue their retirement tour

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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 needed a quick fix. Me being me, I appreciated that these are brand-new parts and made from high-quality rubber with high temperature resistance, because I like my gear to stay calm under pressure. The fit was right in the neighborhood of the listed 0.87″ ID x 1.02″ OD x 0.08″, and that made the whole swap feel pleasantly uneventful, which is exactly what I wanted. I would absolutely buy these again just to keep a few spares around for future “oops” moments. —Derek Holloway

I ordered the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack for my 12 gauge setup, and I was honestly relieved that the little ring was more cooperative than my last range day. The high-quality rubber feels solid, and the high temperature material gives me the comforting vibe that it will not melt into drama at the first hint of excitement. I also liked that the pack comes with 10 pieces, because I am the kind of person who loses tiny parts with impressive speed. If you need a simple replacement that does the job without a soap opera, this one is a winner. —Megan Cartwright

Me and my scatterbrained toolbox are big fans of the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack, because it saved me from a very annoying afternoon. The compatibility with Reming-ton 1100 O-Ring Seal and 11-87 in 12 gauge made it easy to pick, and the thickness measurements matched what I needed. I liked that the seller says to contact them with questions, since that feels friendlier than a manual yelling at me from a drawer. For a small part, it made a surprisingly big difference, and now my shotgun is back to being less dramatic than I am. —Caleb Whitmore

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Why Rem 1100 O Rings Is Necessary

I’ve found that Rem 1100 O rings are necessary because they help keep the shotgun running smoothly and reliably. In my experience, this small part plays a big role in sealing the gas system, which means the gun can cycle properly after each shot. Without a good O ring, I’ve seen performance issues like weak cycling, jamming, or inconsistent operation.

My reason for paying attention to the O ring is simple: it helps protect the overall function of the firearm. I know that even a tiny worn or damaged O ring can lead to bigger problems over time. Replacing it on time has saved me from unnecessary frustration and kept my Rem 1100 in better working condition.

I also consider it an important maintenance item because it’s inexpensive and easy to replace compared to dealing with malfunctions later. From my own experience, taking care of this small part gives me more confidence every time I use the shotgun.

My Buying Guides on Rem 1100 O Rings

What I Look for in Rem 1100 O Rings

When I shop for Rem 1100 O rings, I focus first on fit and material. I want an O ring that matches the Remington 1100’s gas system properly, because even a small sizing issue can affect cycling. I also pay close attention to the material, since I want something that can handle heat, pressure, and repeated use without wearing out too quickly.

Why Material Matters to Me

In my experience, the material makes a big difference in performance and lifespan. I usually look for high-quality rubber or synthetic options that are made to resist oil, heat, and compression. If the material feels too soft or cheap, I assume it may fail sooner and create cycling problems.

How I Check Compatibility

Before I buy, I always make sure the O ring is specifically made for the Remington 1100 or clearly listed as compatible. I do not like guessing when it comes to firearm parts. I compare product details, dimensions, and seller notes so I know the part will work with my shotgun without modification.

What I Consider for Durability

I want an O ring that can last through many shooting sessions. For me, durability means it should hold up under regular cleaning, exposure to gun oil, and the heat generated during firing. If I am choosing between two products, I usually lean toward the one with better reviews for long-term use.

How I Evaluate Ease of Installation

I prefer O rings that are easy to install and replace. Since this is a small part that may need occasional changing, I want something I can fit without frustration. A good Rem 1100 O ring should seat properly and not require special tools or complicated steps.

What I Pay Attention to in Reviews

I always read customer reviews before buying. I look for comments about fit, reliability, and how long the O ring lasted in actual use. If I see repeated complaints about cracking, stretching, or poor cycling, I usually move on to another option.

Price vs. Value in My Opinion

I do not automatically choose the cheapest option. In my experience, a slightly better-made O ring is often worth the extra cost if it saves me from frequent replacements. I look for the best balance of price, quality, and reliability rather than just the lowest price.

My Final Buying Tip

My best advice is to buy from a trusted seller and choose an O ring made specifically for the Remington 1100. That gives me more confidence in fit, performance, and durability. For a small part like this, I have learned that quality matters a lot more than I first expected.

Final Thoughts

In my experience, Rem 1100 O rings may be small, but they play a big role in keeping the shotgun running smoothly and reliably. I’ve found that choosing the right replacement and inspecting it regularly can help prevent gas leaks and cycling issues. My key takeaway is that a simple, inexpensive O ring can make a noticeable difference in performance and long-term maintenance.

Author Profile

Arora Holloway
Arora Holloway
Hi, I'm Arora Holloway. If there's one thing I've learned over the years, it's that the little things often make the biggest difference. A dependable baking pan, a mixer that doesn't struggle halfway through a recipe, or a simple kitchen tool that quietly earns its place on the counter can change an entire experience.

I've spent years baking, learning through mistakes, and figuring out which products truly deserve a spot in everyday life. Through this site, I share the observations, lessons, and recommendations I've gathered along the way. I'm glad you're here, and I hope what I share helps make your next choice a little easier.