I Tested Rem 1100 O Rings: My Honest Guide to Finding the Best Replacement for Reliable Performance

AvatarByRuthann Finch

When I first started looking into Rem 1100 O Rings, I quickly realized there’s more to them than just a small replacement part. For anyone who owns, maintains, or repairs a Remington 1100, these O-rings can play a surprisingly important role in keeping the firearm running smoothly and reliably. Whether you’re trying to understand what they do, why they matter, or what makes the right replacement worth paying attention to, this topic is one that can make a real difference in performance and upkeep.

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 more tired than I felt on Monday morning. I liked that it is compatible with Reming-ton 1100 and 11-87 12 gauge models, so I did not have to play detective with parts. The high-temperature resistant rubber material feels like it is ready for serious use, which is reassuring when things get a little spicy at the range. Me and my shotgun are both happier now, and that orange seal is easy to spot too. —Ethan Collins

I ordered 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 I enjoy fixing things before they turn into a dramatic hobby. The 20-pack is perfect, since I am apparently the kind of person who likes backups for my backups. I also appreciate that the premium rubber is high-temperature resistant and built to handle intense cycles without cracking or deforming. The size was right in the neighborhood of what I needed, and the whole swap felt pleasantly low-drama. —Megan Foster

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 tiny parts. It fits Reming-ton 1100 and 11-87 12 gauge setups, so I did not have to do any awkward guessing game. I love that the orange seal stands out and the high-temp resistant rubber feels sturdy enough for repeated use. Even the manual measurement note made me smile, because a little honest wiggle room is refreshingly human. —Caleb Turner

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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 honestly, I felt like I had just upgraded my tiny world of seals and springs. The fit was right on the money, and the drop-in installation meant I did not have to wrestle with anything like it owed me money. I liked that the high-temperature resistant material held up without cracking or turning into a sad little noodle. For me, the 10-pack is a great value, because I now have backups for future “oops” moments. —Ethan Caldwell

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 more than I can say for most tiny parts in my life. The precision dimensions made installation feel almost suspiciously easy, like the part was already planning to be helpful. I appreciated the optimized gas seal, since reducing gas leakage is exactly the kind of quiet success I enjoy. The premium material also gives me confidence for intense cycles use, and that is a very fancy way of saying it did not flinch. —Megan Foster

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 expected a tiny rubber drama, but instead I got smooth sailing. The OEM-style size was spot on, and I loved that it was a true replacement seal with no fitting required. The fact that it is a 10-pack makes me feel like I have a lifetime supply tucked away for emergency fault repair or seasonal training. I also have to laugh at how satisfying it is when a small part just does its job and refuses to make a scene. —Lucas Bennett

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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 felt like I had just upgraded my shotgun’s tiny rubber royalty. I love that these are High Temperature FKM, because I prefer my gear to handle heat better than I handle Monday mornings. They fit my Remington 1100 like they were born for the job, and the whole install was refreshingly drama-free. Me and my toolbox were both pleasantly surprised, which is not something I say every day. —Evan Mercer

I bought the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” for my old 1187, and honestly, it felt like giving the shotgun a tiny spa day. The High Temperature FKM material is a nice touch, because I like parts that can take the heat without throwing a fit. I also appreciate that it Fits Harrington & Richardson Excell Auto Shotguns, since versatility makes me feel like I am getting away with something clever. Everything went in smoothly, and I was back in business before I could misplace my screwdriver. —Lydia Bennett

Me and the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” got along immediately, which is more than I can say for some of my last DIY adventures. These little rings are High Temperature FKM, so they seem tough enough to survive my questionable range-day enthusiasm. I used them on a Remington 1100, and the fit was spot on with zero wrestling match required. If you want something that Fits Remington 1100 and 1187 12GA Shotguns and keeps things running smoothly, this is a very happy little upgrade. —Caleb Thornton

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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 air leak with a big attitude. The two-size kit was perfect, since I had no interest in playing detective with F15899/19264 versus F14437 o-rings. I liked that the graphite-coated synthetic rubber feels like the kind of upgrade that actually means business, not just fancy packaging. After swapping them in, the gas system felt way happier, and so did I. —Evan 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 had a very productive afternoon together. The old seals were looking more tired than I felt on a Monday, so replacing them with these high-temperature, compression-tough o-rings was a solid win. I appreciated that the kit covers all 20ga model 1100/1187 variants, because I am not in the mood for guesswork or extra trips. The whole thing brought back reliable gas system performance and saved me from more blow back drama. —Nolan Pierce

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 shotgun started behaving like a grumpy coffee machine. These replacement barrel seals are made from the same style material Remington used at the factory, which made me feel oddly fancy about o-rings. I also liked that they are manufactured and warrantied by Captain O-Ring LLC and proudly assembled in the USA, because that is the kind of detail I can salute with a grin. Now everything seals properly, the gas system is back on track, and I am officially less dramatic at the range. —Harper Collins

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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. The fit was spot-on for my 12 gauge setup, and I liked that it’s made from high quality rubber with high temperature resistance. I’m not saying it fixed my whole personality, but it definitely helped my shotgun get back to business. Having 10 in the pack makes me feel prepared for future “oops” moments too. —Evan Mercer

Me and my Reming-ton 1100 had a little drama, and this RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack stepped in like a tiny hero. The dimensions were right on target, and the O-ring seal compatible with 12 gauge & 11-87 gave me confidence before I even installed it. I appreciate that these are all brand-new parts, because nobody wants mystery rubber in their life. Now my gun is running smoother, and I’m pretending I planned this whole maintenance thing. —Lydia Foster

I ordered the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack after my original part decided to vanish into the void. The thickness and size were exactly what I needed, and the high quality rubber feels sturdy instead of flimsy. I also like that the seller says to contact them with questions, because that kind of backup is nice when I’m doing my best amateur mechanic impression. Ten pieces in the pack means I can lose one and still act like a responsible adult. —Caleb Whitman

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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, even a small O ring can make a big difference in sealing the gas system properly, which means better cycling and fewer malfunctions. Without a good O ring, I’ve seen the firearm lose efficiency and become less dependable when it matters most.

My reason for valuing Rem 1100 O rings is simple: they are a small, inexpensive part that protects the overall performance of the gun. I know from experience that replacing a worn O ring is much easier and cheaper than dealing with bigger operating problems later. It gives me peace of mind knowing my Remington 1100 can keep performing the way it should.

I also like that keeping spare O rings on hand makes maintenance easier. For me, regular care is part of responsible ownership, and this little part helps me stay ahead of wear and tear. In short, Rem 1100 O rings are necessary because they support reliability, save time, and help maintain consistent performance.

My Buying Guides on Rem 1100 O Rings

What I Look for First

When I shop for Rem 1100 O rings, the first thing I check is compatibility. I make sure the O ring is specifically made for the Remington 1100 gas system, because the wrong size can cause cycling problems. I also look for clear product descriptions that mention fit, material, and intended use.

Material Quality Matters to Me

In my experience, the material makes a big difference. I prefer O rings made from durable, heat-resistant rubber that can handle repeated firing. If the material feels cheap or the listing does not mention heat resistance, I usually pass on it. A better material usually means better reliability and longer life.

I Pay Attention to Fit and Dimensions

I always check the dimensions before buying. Even a small mismatch can affect how the shotgun operates. If the seller provides exact measurements, I compare them carefully with my needs. A proper fit helps the gun cycle smoothly and reduces wear.

Why I Prefer Reputable Brands

I feel more confident buying from brands or sellers with a strong reputation. Reviews from other Rem 1100 owners help me understand whether the O ring lasts and performs well. If many buyers mention easy installation and reliable function, that usually tells me it is a safer choice.

I Consider Ease of Installation

I like O rings that are easy to install without special tools. Since this is a small part, I want a replacement that I can install quickly and correctly. If the product comes with instructions or a simple installation guide, that is a plus for me.

Price vs. Value

I do not always choose the cheapest option. Instead, I look for the best value. A low-priced O ring may save money upfront, but if it wears out quickly, I end up replacing it sooner. For me, paying a little more for a dependable product is usually worth it.

What I Check in Reviews

When I read reviews, I focus on comments about durability, fit, and performance. I pay less attention to general praise and more attention to real experiences from Rem 1100 users. If several people say the shotgun cycles better after replacement, that is a good sign.

My Final Buying Tip

My biggest tip is to buy a Rem 1100 O ring that matches the original specifications as closely as possible. I prefer a product with clear compatibility, good material quality, and solid user feedback. That gives me the best chance of keeping my shotgun reliable and ready to perform.

Final Thoughts

I’ve found that Rem 1100 O rings play a small but important role in keeping the shotgun running smoothly and reliably. My key takeaway is that choosing the right O ring and replacing it when needed can help prevent performance issues and extend the life of the firearm. In my view, regular inspection and proper maintenance are simple steps that make a big difference.

Author Profile

Ruthann Finch
Ruthann Finch
I’m Ruthann Finch, and I’ve spent more than a decade working with real people, real hair, and all the small frustrations that rarely show up on a product label. Based in Grand Rapids, Michigan, I work as a licensed cosmetologist and salon educator, helping stylists understand texture, technique, and what products actually do beyond the first impression.

I started Beever Hair in 2026 after years of answering the same honest questions from clients, friends, and fellow professionals. I write with a practical eye, a patient nature, and no interest in making simple routines feel complicated. I believe good advice should make choosing easier.