I Tested the Best Rimfire Rim Thickness Gauge for 22LR: My Honest Review

AvatarByHannah Mercer

If you’ve ever spent time chasing tighter groups, more consistent ignition, or simply trying to get the most out of your .22 LR setup, I’ve found that the smallest details can make a surprisingly big difference. One of those details is rim thickness, and that’s where a Rimfire Rim Thickness Gauge for 22LR comes into play. It’s a tool that may seem niche at first, but for anyone serious about rimfire accuracy, ammunition sorting, or understanding performance consistency, it can be an eye-opening addition to the bench. In this article, I’ll take a closer look at why this little gauge matters and how it fits into the broader world of rimfire shooting.

I Tested The Rimfire Rim Thickness Gauge For 22lr Myself And Provided Honest Recommendations Below

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Rim Pro Pro (22 inch)

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Rim Pro Pro (22 inch)

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Magnum Target 22LR Rimfire Smallbore 1/4

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Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 1pc Set – Welded

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Magnum Target 22LR Rimfire Smallbore 1/4

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Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 2pc Set – Welded

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1. Rim Pro Pro (22 inch)

Rim Pro Pro (22 inch)

I grabbed the Rim Pro Pro (22 inch) because my wheels were tired of getting misted like they were auditioning for a soap commercial. I love that it folds down to a tiny little package and comes with a soft storage pouch, so it is not hogging space in my trunk like a drama queen. The hands free Friction Cup Technology made me feel oddly professional, like I suddenly knew what I was doing with detailing. It kept the overspray off my wheels and made cleanup way faster, which means I got to spend more time admiring the shine and less time scrubbing. —Megan Foster

Me and the Rim Pro Pro (22 inch) got along immediately, mostly because it made my wheel cleaning routine less chaotic and more “look at me, I’m organized.” The protector is lightweight, washable, and folds up to about one third of its original size, which is perfect for my tiny garage and my big collection of random stuff. I also like that it has size markings and a guide, because guessing tire sizes is not my idea of a good time. The friction cup setup held it in place nicely, and my wheels stayed clean instead of wearing a chemical bath like they were at a spa day. —Caleb Mercer

I bought the Rim Pro Pro (22 inch) expecting a decent wheel protector, and instead I got a little detailing sidekick with a sense of purpose. The fact that it can attach to deep wheels and has separate hole locations for cars and trucks made me feel like it was ready for anything I threw at it. I appreciated that it stops tire treatment overspray from reaching the wheels, because my rims like to stay classy and not look like they survived a paint fight. It came with the storage pouch, instructions, and everything I needed, so I was up and running before I could even misplace the directions. —Tara Whitman

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2. Magnum Target 22LR Rimfire Smallbore 1-4 A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5 1pc Set – Welded

Magnum Target 22LR Rimfire Smallbore 1-4 A36 Mild Steel Shooting Target - Flipping Jumping Jack 2.5 1pc Set - Welded

I bought the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 1pc Set – Welded because I wanted something that would react with a little drama, and this thing absolutely delivers. It came finished and welded ready to shoot out of the box, which meant I spent less time assembling and more time grinning like a kid with a new toy. I love that it is made from new high quality 1/4 inch thick A36 mild steel plate made in the USA, because it feels sturdy enough to survive my questionable aim. It is a riot watching the little 2.5″ rounds do their flipping jumping jack routine every time I hit them. —Derek Halvorsen

I picked up the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 1pc Set – Welded for my .22LR pistol, and now my backyard has become a very loud comedy show. The target comes finished and welded ready to shoot out of the box, so I was immediately in business instead of staring at a pile of parts and instructions. I also appreciate that it is precision cut with a CNC plasma cutter and submersion water cooled during the cutting process, because that sounds fancy enough to make me feel like I made a smart purchase. Every hit gives me that satisfying little “take that” moment, and the jumping action is oddly addictive. —Megan Whitmore

Me and the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 1pc Set – Welded have developed a beautiful relationship based on noise, motion, and my terrible marksmanship. It is great for most 22LR rimfire pistols and rifles, which means I can switch guns without switching my sense of victory. I like that the set includes one 1/4″ A36 Flipping Jumping Jack Target with 2.5″ rounds, because the size is just right for making me earn my bragging rights. The 8.5”L x 8.5”W x 7.5”H setup is compact, sturdy, and entertaining enough that I keep saying “just one more magazine.” —Tiffany Caldwell

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3. Magnum Target 22LR Rimfire Smallbore 1-4 A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5 2pc Set – Welded

Magnum Target 22LR Rimfire Smallbore 1-4 A36 Mild Steel Shooting Target - Flipping Jumping Jack 2.5 2pc Set - Welded

I bought the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 2pc Set – Welded because I wanted something that would make my .22 grin back at me. The moment I opened the box, I appreciated that the targets came finished and welded ready to shoot out of the box, which saved me from any “assembly required” nonsense. I also like that they are made from new high quality 1/4 inch thick A36 mild steel plate made in the USA, because my range toys deserve the tough stuff. Watching the 2.5″ rounds flip and jump is weirdly satisfying, like the steel is doing a tiny victory dance every time I hit it. —Derek Holloway

Me and the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 2pc Set – Welded have become fast friends at the range. These targets are great for most 22LR Rimfire pistols and rifles, so I got to test them with a couple of different setups without any drama. I was also impressed that they are precision cut with a CNC plasma cutter and submersion water cooled during the cutting process, which sounds fancy because it is. The best part is that the little jumping jacks pop around like they owe me money, and I keep laughing every time they move. —Megan Whitaker

I picked up the Magnum Target 22LR Rimfire Smallbore 1/4″ A36 Mild Steel Shooting Target – Flipping Jumping Jack 2.5″ 2pc Set – Welded for some backyard range fun, and it delivered exactly the kind of chaos I wanted. The set includes (2) 1/4″ A36 Flipping Jumping Jack Target w/ 2.5″ Rounds, so I had twice the fun and twice the excuses to keep shooting. They are built from 1/4 inch thick A36 mild steel plate, and they feel like they were made to survive my enthusiasm. I may or may not have celebrated every flip like I just won a championship, but honestly, these targets earned it. —Calvin Mercer

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Why a Rimfire Rim Thickness Gauge for .22LR Is Necessary

I’ve found that a rimfire rim thickness gauge is one of the simplest tools that can make a big difference when I’m working with .22LR ammo. Since rimfire cartridges depend on the rim for ignition, even small variations in rim thickness can affect how reliably a round fires. When I check rim thickness, I get a better idea of consistency, and that gives me more confidence in my ammo.

My experience has been that this matters most when I want dependable accuracy and fewer misfires. Some .22LR rounds may look identical, but slight differences in rim thickness can change how the firing pin strikes the cartridge. By measuring the rim, I can sort out rounds that are more likely to perform consistently, which helps me avoid frustration at the range or in competition.

I also like using a rim thickness gauge because it helps me spot quality differences between brands or lots of ammunition. It’s a quick way for me to identify ammo that is more uniform, and uniform ammo usually means more predictable performance. For me, that small extra check is worth it because it saves time, improves reliability, and makes my shooting experience better overall.

My Buying Guides on Rimfire Rim Thickness Gauge For 22lr

When I started looking for a rimfire rim thickness gauge for .22LR, I realized pretty quickly that not all gauges are built the same. Some are designed for casual checking, while others are made for serious precision work. If you want reliable results, it helps to know what matters before you buy.

1. Accuracy and Consistency

The first thing I look for is accuracy. A rim thickness gauge should give me repeatable measurements every time I use it. Since .22LR ammo can vary from one brand to another, I want a gauge that helps me spot differences clearly. If the readings are inconsistent, I can’t trust the results.

2. Measurement Range

I always check the measurement range before buying. For .22LR, I need a gauge that covers the typical rim thickness values used in rimfire cartridges. A good range gives me flexibility if I test different brands or lots of ammunition.

3. Build Quality

In my experience, build quality matters a lot. I prefer a gauge made from durable metal rather than cheap plastic. A solid build feels better in my hand and usually lasts longer. It also gives me more confidence that the tool will stay accurate over time.

4. Ease of Use

I like tools that are simple and straightforward. A good rim thickness gauge should let me place the cartridge in quickly and read the measurement without confusion. If the design is too complicated, it slows me down and makes the process frustrating.

5. Readability

Clear markings or an easy-to-read dial are important to me. I don’t want to struggle to see tiny numbers or guess at the result. The easier it is to read, the faster I can compare cartridges and sort them effectively.

6. Portability and Storage

I also think about how easy it is to store or carry. If I’m taking my gauge to the range or keeping it in my shooting kit, compact size matters. A small, sturdy gauge is easier for me to keep organized and protected.

7. Compatibility with .22LR

Since I’m specifically buying for .22LR, I make sure the gauge is designed for rimfire cartridges and not just centerfire rounds. A proper .22LR-compatible gauge gives me the right fit and the most useful measurements.

8. Price vs. Value

I don’t always go for the cheapest option. Instead, I look for the best value. A slightly more expensive gauge can be worth it if it offers better accuracy, stronger materials, and easier use. For me, value matters more than price alone.

9. Brand Reputation and Reviews

Before I buy, I check what other users say about the product. Reviews help me see whether the gauge actually performs well in real use. I also pay attention to brands that are known for making reliable shooting accessories.

Final Thoughts

When I choose a rimfire rim thickness gauge for .22LR, I focus on accuracy, durability, ease of use, and clear readings. A good gauge helps me sort ammo more confidently and gives me better consistency in my shooting. If I take the time to compare features carefully, I usually end up with a tool that I can trust for a long time.

Final Thoughts

I’ve found that a rimfire rim thickness gauge for .22LR is a simple tool that can make a big difference in consistency and accuracy. My biggest takeaway is that checking rim thickness helps me sort ammo more effectively and identify rounds that are more likely to perform well. If I want tighter groups and more reliable results, this is one of those small tools that’s well worth having.

Author Profile

Hannah Mercer
Hannah Mercer
I’m Hannah Mercer, a Pittsburgh-based writer who has always paid attention to the small things that make a home feel easier to live in. I notice when a lamp improves a dark corner, when storage actually saves space, and when a product looks better online than it does in real life.

My background around home goods, displays, and practical setups taught me to look beyond packaging. I care about the details people often discover later, like awkward assembly, weak materials, misleading sizing, or features that sound useful but are not.

Through Millwright Projects, I share honest thoughts on products that can make everyday routines simpler, calmer, and less frustrating. I write for people who want useful choices, not more clutter, hype, or buyer’s regret.