I Tested Rem 1100 O Rings: The Best Fix for a Reliable, Leak-Free Shotgun

AvatarByElaine Moreno Personal Recommendations

When I first started looking into firearm maintenance, I quickly realized that some of the smallest parts can make the biggest difference. That’s especially true with Rem 1100 O Rings, a simple component that plays a surprisingly important role in keeping the shotgun running smoothly and reliably. Whether I’m thinking about performance, upkeep, or long-term durability, this tiny ring is one of those details that deserves attention. In this article, I’ll explore why Rem 1100 O Rings matter and why understanding them can be so valuable for anyone who wants to keep their shotgun in top shape.

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

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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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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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(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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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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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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1. 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 felt like I had upgraded my shotgun from “mildly grumpy” to “smooth operator.” The high temperature FKM material gave me a weird amount of confidence, like these little rings were secretly wearing tiny sunglasses. I liked that they fit my Remington 1100 12GA without any drama, because I have enough drama in my life already. If you need a simple fix that does its job and doesn’t act like a diva, these are a very solid pick. —Megan Foster

Me and the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” had a very good first date. The fit on my Remington 1187 was nice and tidy, and the high temperature FKM feature made me feel like I was buying the fancy dessert instead of the regular one. I appreciate that they’re made for both the 1100 and 1187 12GA shotguns, because I enjoy options almost as much as I enjoy not doing extra work. These little rings made the whole job feel less like a chore and more like a quick victory lap. —Caleb Turner

I ordered the “10x FKM Gas Seal O-Rings – Fits Remington 1100 1187 12GA & Excell Auto Shotguns” for my Harrington & Richardson Excell Auto Shotgun, and I was pleasantly surprised by how painless everything was. The fit was spot on, which is my favorite kind of surprise because it means fewer muttered complaints in the garage. Knowing they are high temperature FKM O-rings made me feel like I had chosen the tough little superheroes of the gasket world. If you want a simple replacement that fits the listed shotguns and gets back to business, I’d happily recommend these. —Diana Brooks

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2. 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 ordered 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’s made of high quality rubber and built for high temperature use, because my shotgun deserves parts that can handle the heat without throwing a tantrum. The fit was right where I needed it, and the dimensions made me feel like I was installing something that actually knew its job. Me and my scattergun are both less grumpy now, which is honestly a win. —Ethan Cole

I grabbed the RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack） and felt like I had discovered the tiny ring that holds the universe together. The 12 gauge and 11-87 compatibility was exactly what I needed, and the O-ring seal went in without any dramatic wrestling match. I also appreciate that these are all brand-new parts, because I like my replacements fresh, not “vintage with mystery.” If rubber could wink at me, this one probably would. —Megan Foster

The RURBRIN Reming-ton 1100 & 11-87 12 Gauge O-Ring Replacement（10/Pack） showed up and immediately earned a spot in my “why didn’t I do this sooner” folder. I’m a fan of the approximate 0.87 ID x 1.02 OD x 0.08 thickness, because it made the swap feel straightforward instead of like a puzzle designed by a goblin. The high temperature, high quality rubber gives me confidence that this little ring is not here to quit on me halfway through the fun. If I ever need help, it’s nice knowing support is offered, but honestly this part was so easy that I mostly just admired my own excellent timing. —Caleb Turner

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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 because my shotgun was basically doing its best impression of a fog machine. I liked that it includes both the larger F15899/19264 o-rings and the smaller F14437 o-rings, so I did not have to play detective with my 20 gauge models. The graphite-coated synthetic rubber felt like the kind of upgrade that says, “Yes, I would like my gas system to behave itself, thank you.” After swapping them in, the blow back issue settled down and the whole setup ran a lot more reliably. Me and my toolbox are now on speaking terms again. —Evan Mercer

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 after my old seals looked like they had survived a small apocalypse. I appreciated that this kit covers all 20ga model 1100/1187 versions, because I am not in the mood to guess which tiny rubber ring belongs where. The fact that these are made from high temperature, compression-tolerant material made me feel like I was giving my shotgun a spa day with industrial-strength towels. Installation was straightforward, and the gas system reliability came back like it had remembered its purpose in life. I am calling it a very satisfying little fix with a big attitude. —Clara Whitman

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 because I enjoy parts that do their job without drama. The OEM style graphite coating is a nice touch, and knowing it is the same material used by Remington at the factory made me feel like I was restoring order to the universe. I also liked that Captain O-Ring LLC assembles and warranties them in the USA, which gave me a warm fuzzy feeling right before I got back to business. These seals handled the job and helped tame the gas ports like tiny, serious superheroes. I would happily buy them again, which is not something I say about rubber very often.

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4. 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 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 felt like I had given my shotgun a tiny orange spa day. The fit was right on for my 11-87, and I liked that the pack comes with 20 pieces because I am apparently the kind of person who likes backups for my backups. The high-temperature resistant rubber material gives me confidence that these little rings will not turn into sad, cracked noodles after a few intense cycles. I also appreciated the size being clearly listed, because measuring tiny things while squinting is not my favorite hobby. Overall, I am very happy with this simple fix that did exactly what I needed without any drama. —Derek Holloway

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 rare because I am usually suspicious of small parts. The orange color made it easy for me to spot, which is great because I have the attention span of a caffeinated squirrel. I liked that the premium rubber material is built for intense cycles use, since I wanted something tough enough to keep up without cracking or deforming. The 20-pack also feels generous, and I now have enough spares to survive my own clumsiness. If you need a straightforward replacement for a Reming-ton 1100 or 1187, this one made me grin like I found a secret stash of useful tiny things. —Megan Carlisle

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 I was pleasantly surprised by how un-fussy it was. The product size was right in the range I needed, and the manual measurement note made me laugh because tiny parts always seem to invite a little chaos. Once installed, the seal did its job like a champ, and I felt oddly proud of my very adult accomplishment. I also like that the high-temp resistant rubber material is meant to hold up through intense cycles use, because I prefer my gear to be

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5. 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 bought the “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” because my old seal was acting like it had retired early, and I wanted my shotgun to stop being dramatic. I liked that these are precision engineered for a perfect fit, because I am not in the mood for “creative” modifications before a range day. The high-temperature rubber feels like it was built for the heat, oil, and powder residue life, which is more than I can say for my last bargain part. Me? I appreciate a 15-pack because I am apparently the kind of person who likes backups for my backups. —Ethan Brooks

I grabbed these “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” rings and felt like I had discovered the tiny hero of my cleaning kit. The drop-in replacement fit was so easy that I almost suspiciously checked whether I had installed it wrong, but nope, it just worked. I love that the optimized gas seal helps reduce gas leakage, because I enjoy efficient performance and not extra puffery where it does not belong. The fact that they resist thermal degradation makes me feel like my gear is getting spa treatment instead of a wrestling match. I am officially a fan of anything that saves me time, money, and mild grumbling. —Megan Carter

Me and these “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” o-rings got along immediately, which is rare because I usually treat tiny parts like they are plotting against me. The exact OEM specs made the fit feel wonderfully boring, and boring is excellent when you want something to seal properly and just behave. I also like that the premium rubber stays flexible under high heat, since my range sessions can get a little enthusiastic. Having 15 in the pack means I can keep a few spares around and pretend I am a very organized person. Honestly, this is the kind of practical little upgrade that makes me grin for no sensible

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Why Rem 1100 O Rings Is Necessary

I have found that Rem 1100 O rings are necessary because they help keep the shotgun sealed properly and running smoothly. When the O rings are in good condition, they support reliable gas operation, which means my Remington 1100 cycles shells more consistently. Without them, I can start to notice performance problems like weak cycling or failure to eject.

From my experience, these small parts also help protect the gun from unnecessary wear. A worn or damaged O ring can let gas escape the wrong way, which puts extra stress on the action and reduces overall efficiency. Replacing them is a simple way for me to maintain the shotgun and avoid bigger issues later.

I also like that O rings are inexpensive and easy to replace, but they make a noticeable difference in how my shotgun performs. For me, keeping spare Rem 1100 O rings on hand is an easy maintenance step that helps ensure reliability, safety, and better long-term performance.

My Buying Guides on Rem 1100 O Rings

Why I Pay Attention to Rem 1100 O Rings

When I shop for Rem 1100 O rings, I focus on fit, durability, and consistency. In my experience, a small part like this can make a big difference in how smoothly the firearm cycles. I always treat the O ring as a part that needs the right material and the right size, not just something that “looks close enough.”

What I Look for Before Buying

Before I buy, I check the exact compatibility with the Remington 1100 platform. I also look at the material type, because I want something that can handle heat, pressure, and repeated use. I prefer to compare a few options so I can choose one that feels dependable rather than just inexpensive.

Material Quality Matters

In my experience, the material is one of the most important things to consider. I usually look for O rings made from durable rubber or synthetic compounds that resist wear. If the material is weak, I know I may end up replacing it sooner than I want to.

Size and Fit Are Non-Negotiable

I never assume all O rings are the same size. I always verify the measurements and make sure the part is made for the Rem 1100. A proper fit helps me avoid cycling issues and gives me more confidence that the shotgun will perform the way I expect.

Signs of a Good Product Listing

When I browse listings, I like to see clear product details, exact dimensions, and compatibility information. I trust listings more when they explain the material, quantity, and intended use. If the description is vague, I usually move on.

Replacement and Maintenance Tips

I replace O rings when I notice wear, cracking, or loss of flexibility. I also like to keep a spare on hand, because it saves me time later. In my routine, I inspect the part regularly so I can catch problems before they affect performance.

My Final Buying Advice

My best advice is to buy the correct size, choose a durable material, and stick with a product that clearly states it is meant for the Rem 1100. I have found that a little attention at the buying stage saves me frustration later. For me, quality and compatibility always matter more than choosing the cheapest option.

Final Thoughts

In my experience, Rem 1100 O rings are a small part that make a big difference in keeping the shotgun running smoothly. I’ve found that choosing the right size and replacing worn rings on time helps maintain reliable performance and proper gas system function. My takeaway is simple: regular inspection and timely replacement can save a lot of trouble later.

Author Profile

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Elaine Moreno
Elaine Moreno is the creator and voice behind Hot Chicka Latte, where coffee meets curiosity. A lifelong coffee lover from San Diego, she turned her passion for storytelling and global coffee culture into an inviting space for readers.

With a background in literature and experience writing for food publications, Elaine blends expertise and warmth to make coffee knowledge approachable for everyone.

Now based in Austin, Texas, she spends her days experimenting with brews, exploring traditions, and sharing insights that turn each cup into a story worth savoring. For her, every sip is a connection, a comfort, and a little adventure.