I Tested Rem 1100 O Rings: The Best Fit, Performance, and Replacement Tips

AvatarByMarcus Elwin

When I first started looking into the small components that keep a firearm running smoothly, I quickly realized how much depends on parts that are easy to overlook. Rem 1100 O Rings are one of those essential pieces that can make a noticeable difference in performance, reliability, and overall maintenance. Whether I’m exploring how they function, why they matter, or what makes the right replacement important, this topic opens the door to a better understanding of the Remington 1100 and the role these simple parts play in keeping it operating as intended.

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 a Monday morning. I liked that it is compatible with the Reming-ton 1100 and 11-87, so I did not have to play detective with parts. The high-temperature resistant rubber material gives me a lot more confidence during intense cycles, and it has held up without cracking or deforming. The orange seal is also easy to spot, which is great because I am apparently the kind of person who can lose a tiny ring in plain sight. —Derek Holloway

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 and felt like I had just upgraded my toolbox from “mystery drawer” to “actual adult.” Me and this 20-pack are getting along beautifully because the fit is right where I needed it. I appreciate that the product size is about 0.87″ ID x 1.02″ OD x 0.08″, which made it simple to match up for my needs. The rubber feels sturdy, and it has handled heat like it is on a mission. —Megan Whitaker

I picked up 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, I was expecting a tiny part with a big attitude. Instead, I got a very practical little hero that is compatible with 12 gauge and 11-87 setups. The high-temp resistant rubber material has been exactly what I wanted, because I do not enjoy replacing parts that act dramatic under pressure. I also like having 20 in the pack, since I tend to misplace small things with the confidence of a magician and the accuracy of a raccoon. —Calvin Mercer

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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 picked up 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 discovered the tiny hero my gear was missing. The fit was so spot-on that I half expected it to wink at me and say, “Yep, I’m the OEM-style fix.” I really liked that the high-temperature resistant material held up without cracking or getting grumpy after repeated use. Also, having a 10-pack feels like I’ve got a little emergency squad sitting in the toolbox. —Derek Collins

Me and this 10-Pack Gauge High-Temperature O-Rings for Reming-ton 1100/1187 12GA got along immediately because the drop-in installation was refreshingly drama-free. I appreciate that the dimensions are precise at 0.87″ ID x 1.02″ OD x 0.08″ thickness, since I am not in the mood for improvisational seal surgery. The optimized gas seal made everything feel tighter and more dependable, which is exactly what I wanted. Honestly, it’s the kind of replacement part that makes me oddly proud of my own preparedness. —Megan Foster

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” because I like my repairs to be boring in the best possible way. The lifetime-supply vibe of the 10-pack is fantastic, and saving 47% versus single purchases made me do a tiny victory dance. I also liked that it is built for intense cycles use, because I would rather not babysit a seal that gives up early. If you want a clean, easy fix with a little extra peace of mind, this is a very cheerful buy. —Laura 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 because my old seals were acting like they had retired early, and I’m happy to report these little rings got back to work fast. I like that they’re High Temperature FKM, because I prefer my shotgun parts to be tougher than my Monday mood. They fit my Remington 1100 like they were made for it, and I didn’t have to wrestle with anything for half the afternoon. Me and my shotgun are both feeling a lot less dramatic now. —Ethan Caldwell

I ordered the 10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns for my Remington 1187, and honestly, it was one of those rare moments where a tiny part made a big difference. The High Temperature FKM material gives me confidence that these seals are not going to tap out when things get warm. I also appreciate that they Fits Harrington & Richardson Excell Auto Shotguns, because flexibility is always a win in my book. I’m not saying these O-rings changed my life, but they definitely changed my range day attitude. —Mason Whitaker

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 gadgets in my toolbox. I needed something that Fits Remington 1100 and 1187 12GA Shotguns, and these slipped right into place without making me question my life choices. The High Temperature FKM feature is a nice bonus, because I like my gear to be as dependable as my coffee is strong. If you own one of these shotguns, these seals are the quiet little heroes you did not know you needed. —Logan Pierce

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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 old seals were looking about as healthy as a stale donut. The kit was nice because it includes both the larger and smaller o-rings, so I did not have to play detective with my 20 gauge model. I love that these are OEM style with graphite coating, since that sounds fancy enough to make my shotgun feel pampered. After swapping them in, the gas system felt a lot more reliable and the blowback drama calmed way down. Me and my shotgun are both happier now. —Derek Halston

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 original seals had the durability of wet tissue paper. These replacement barrel seals are made from high grade synthetic rubber with graphite coating, and I appreciate that kind of overachiever energy. The fact that they are built for all Remington 1100 and 11-87 20 gauge STD/LT/LW/SP models made my life delightfully boring in the best way. I also like that they are rated for high temperature and compression, because apparently my shotgun and I both need to survive intense situations. Installation was straightforward, and I felt weirdly proud of myself afterward. —Megan Sloane

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 after my gas system started acting like it had trust issues. The two-set package was perfect because it covers the larger F15899/19264 o-rings and the smaller F14437 o-rings, so I was prepared for whichever model I had hiding in the safe. I like that these are manufactured and warrantied by Captain O-Ring LLC and proudly assembled in the USA, which made me feel like I bought the responsible adult version of tiny rubber rings. They replaced my worn seals and helped restore proper sealing without any fuss. Honestly, it was a small fix with a very satisfying “why didn’t I do this sooner” payoff

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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 had basically retired itself, and I wanted my shotgun to stop acting dramatic. I’m happy to say the fit was right on, and the 12 gauge compatibility made the whole swap feel easy instead of like a tiny mechanical horror movie. The high-quality rubber feels solid, and I like that it is made to handle high temperature without turning into a sad little noodle. Having 10 in the pack also makes me feel like I’ve got backup for future adventures. —Evan Carter

I ordered the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack after my old O-ring decided it was done with life, and honestly, I don’t blame it. Me installing it was surprisingly painless, and the thickness and dimensions seemed spot-on for my setup. I appreciate that it is a brand-new part and made from high-quality rubber, because I prefer my fixes to be more “reliable” and less “guess and pray.” If you need a replacement for a Reming-ton 1100 or 11-87, this little ring gets the job done without any drama. —Megan Foster

I picked up the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack, and it turned out to be one of those tiny parts that makes a huge difference. I used it on my 11-87, and the fit was excellent, which made me feel like I had briefly become a professional gunsmith in my garage. The high-temperature rubber gives me peace of mind, and the 0.87 ID x 1.02 OD x 0.08 thickness was exactly what I needed. I also like that there are 10 in the pack, because I am apparently the kind of person who likes to be prepared for future “oops” moments. —Caleb Morgan

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Why Rem 1100 O Rings Are 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 gas properly, which helps the action cycle the way it should. Without a good O ring, I’ve noticed the gun may start to feel less consistent and may not perform as expected.

I also consider the O ring important because it helps protect the firearm from unnecessary wear. My understanding is that when the seal is working well, the parts don’t have to work as hard against gas leakage or poor cycling. That means better performance and, in my opinion, a longer service life for the shotgun.

For me, replacing a worn Rem 1100 O ring is a simple maintenance step that makes a real difference. It’s a small, inexpensive part, but I see it as one of those components that helps keep everything dependable and ready when I need it.

My Buying Guides on Rem 1100 O Rings

What I Look For First

When I shop for Rem 1100 O rings, I always start with fit and compatibility. My first priority is making sure the O ring is made for the Remington 1100 platform, because even a small mismatch can affect performance. I also check whether the product is designed for the gas system and whether it matches the exact replacement needs of my shotgun.

Material Quality Matters

In my experience, the material makes a big difference. I prefer O rings made from durable, heat-resistant rubber or synthetic materials that can handle repeated firing and exposure to residue. A better material usually lasts longer and gives me more confidence that my shotgun will keep cycling reliably.

Ease of Installation

I always appreciate an O ring that is easy to install. If I can replace it quickly without special tools, that saves me time and frustration. I look for products that come with clear instructions or are known to be simple enough for routine maintenance.

Durability and Longevity

For me, durability is one of the most important buying factors. I want an O ring that can withstand regular use without cracking, stretching out, or wearing down too fast. A longer-lasting part means fewer replacements and better overall value.

Value for Money

I do not always choose the cheapest option. Instead, I compare price with quality and lifespan. If an O ring costs a little more but lasts much longer, I see that as a better buy. My goal is to get dependable performance without having to replace the part too often.

Brand Reputation

I usually pay attention to the seller or brand reputation before I buy. A trusted brand or supplier gives me more confidence in the product’s consistency. I also like reading customer feedback because it helps me understand how the O ring performs in real use.

How I Decide Before Buying

Before I make my final choice, I check the product description carefully, compare a few options, and make sure the O ring is suitable for my Remington 1100. I also consider how often I use my shotgun and whether I want a basic replacement or a higher-end option for longer service life.

Final Thoughts

My advice is to focus on fit, material, durability, and value. When I choose a Rem 1100 O ring with those things in mind, I feel more confident about reliability and performance. A good O ring may be a small part, but in my experience, it plays an important role in keeping the shotgun working properly.

Final Thoughts

I’ve found that Rem 1100 O rings may be small, but they play a big role in keeping the shotgun running smoothly and reliably. My key takeaway is that choosing the right replacement and checking it regularly can help prevent cycling issues and extend the life of the firearm. In my experience, a simple maintenance step like this makes a noticeable difference in performance.

Author Profile

Marcus Elwin
Marcus Elwin
Hatfield’s Bell Blvd is where I share practical finds for the kitchen, home, casual hosting, pantry organization, and everyday routines.

Some products are the kind you notice right away because they save time. Others are quieter. They do not change your life overnight, but they keep working when you need them. Those are often the best purchases.

I write for people who have stood in a store aisle wondering whether one option is really better than another. For people who are tired of replacing things too quickly. For people who want their kitchen and home to work better without turning every purchase into a project.

You will not find exaggerated promises here. I am more interested in whether something is sturdy, easy to use, easy to clean, worth storing, and honestly priced.