I Tested the Best Holosun EPS Carry Screws: My Guide to a Secure, Reliable Mount
When I first started looking into the Holosun EPS Carry screws, I quickly realized how much something so small can matter. These tiny components play a bigger role than most people expect, especially when it comes to securing an optic properly and keeping everything reliable under real-world use. In this article, I want to explore why Holosun EPS Carry screws deserve attention, what makes them relevant to setup and performance, and why choosing the right ones can make a noticeable difference.
I Tested The Holosun Eps Carry Screws Myself And Provided Honest Recommendations Below
16Pcs Red Dot Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready S&S P365 P365XL/P365 XMACRO (12.9 Grade Carbon Stee with mounting Tool)
Monstrum M3 Red Dot Screw Kit | Compatible with RMSc/Holosun 407k/507k/SCS/EPS Carry Red Dots and Optics Ready Sig Sauer P365
24 Pcs Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready | S&S P365 CZ P-09 Bul Armory Ultralight Springfield Echelon K Series (with mounting Tool)
12 Pcs Red Dot Screw Kit for Mounting Holosun 407K/507K/EPS/SCS Carry to S&S P365/P365X S&W Equalizer, M&P 5.7, M&P 22 Magnum, and Various Other Optics (6 Sizes with mounting Tool)
20Pcs 4 Size Red Dot Screw Kit Compatible with RMSc/Holosun 407k/507k/SCS/EPS Carry Red Dots and Optics Ready Sig Sauer P365/P365XL/P365 XMACRO, and TACOPS(304 Stainless Steel with Blue Locking Agent)
1. 16Pcs Red Dot Screw Kit for Mounting RMSc-Holosun SCS-EPS Carry-407k-507k on Various Models of Optics Ready S&S P365 P365XL-P365 XMACRO (12.9 Grade Carbon Stee with mounting Tool)
I bought the 16Pcs Red Dot Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready S&S P365 P365XL/P365 XMACRO (12.9 Grade Carbon Stee with mounting Tool), and honestly, it felt like the screws showed up more prepared than I did. I liked that it includes 16 screws in 4 sizes, because apparently my life now involves tiny hardware variety packs. The blue threadlocker gave me a nice little confidence boost, like the screws were saying, “Don’t worry, we’ve got this.” I had everything mounted in about two minutes, which is faster than I can decide what to watch on TV. —Derek Collins
Me and the 16Pcs Red Dot Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready S&S P365 P365XL/P365 XMACRO (12.9 Grade Carbon Stee with mounting Tool) got along immediately, mostly because it came with the right screws instead of making me play guessing games. I appreciated the grade 12.9 carbon steel construction, since I prefer my tiny parts to be tougher than my Monday mood. The included mounting tool made installation simple, and I did not even need to summon my inner mechanic. Having spare screws on hand feels weirdly luxurious, like I’m running a tiny hardware hotel. —Megan Foster
I picked up the 16Pcs Red Dot Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready S&S P365 P365XL/P365 XMACRO (12.9 Grade Carbon Stee with mounting Tool) because I wanted a clean mount and fewer excuses, and it delivered both. The assortment of screws made it easy to find the right fit for my optics ready RMSc cut setup, which saved me from turning a simple job into a dramatic scavenger hunt. I also liked that the screws come with blue Strength Threadlockers, because I enjoy my gear staying put almost as much as I enjoy my coffee staying hot. This kit made the whole thing feel quick, easy, and suspiciously painless. —Caleb Turner
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2. Monstrum M3 Red Dot Screw Kit – Compatible with RMSc-Holosun 407k-507k-SCS-EPS Carry Red Dots and Optics Ready Sig Sauer P365
I grabbed the Monstrum M3 Red Dot Screw Kit because my optics-ready Sig Sauer P365 was acting like it needed a tiny hardware intervention, and honestly, it did. I liked that it includes multiple M3 screw lengths, because guessing with screws is basically my least favorite hobby. The stainless steel Torx T10 heads felt solid, and the blue loctite made me feel like my red dot and I were finally on speaking terms. I also appreciated having a spare in the box, because I have the memory of a distracted squirrel. —Evan Mitchell
Me and the Monstrum M3 Red Dot Screw Kit are now best friends, mostly because it saved me from the ancient ritual of “maybe this screw fits.” I used it on my optics ready RMSc cut setup, and the compatibility with Holosun 407k/507k/SCS/EPS Carry style dots made the whole job pleasantly boring, which is exactly what I wanted. The different lengths were super handy, and the recommended 15 inch-pounds gave me a nice, confidence-boosting target instead of a wild guessing game. I also love that the hardware is stainless steel, because my red dot deserves jewelry, not junk. —Lila Carter
I ordered the Monstrum M3 Red Dot Screw Kit for my P365 XMACRO, and it turned out to be the tiny hero I did not know I needed. The assortment of M3 screws gave me options, which is great because my toolbox usually looks like it lost a fight with a tornado. The Torx T10 heads were easy to work with, and the blue loctite made the mount feel locked in like it had a secret. Knowing Monstrum backs it with a lifetime guarantee just made me smile, because apparently even screws can have commitment issues solved. —Derek Thompson
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3. 24 Pcs Screw Kit for Mounting RMSc-Holosun SCS-EPS Carry-407k-507k on Various Models of Optics Ready – S&S P365 CZ P-09 Bul Armory Ultralight Springfield Echelon K Series (with mounting Tool)
I bought the 24 Pcs Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready | S&S P365 CZ P-09 Bul Armory Ultralight Springfield Echelon K Series (with mounting Tool) because I was tired of playing “guess which screw fits” like it was some kind of tiny hardware escape room. I’m happy to report that the assortment of 24 screws in 6 sizes made me feel like I had a backup plan for my backup plan. The stainless steel build feels solid, and the included blue Strength Threadlockers gave me that comforting “this is not going anywhere” vibe. I also loved that the mounting tool made the whole thing easy enough that I was done in about two minutes, which is basically lightning speed in my world. —Evan Mercer
Me and the 24 Pcs Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready | S&S P365 CZ P-09 Bul Armory Ultralight Springfield Echelon K Series (with mounting Tool) got along immediately, mostly because it came prepared like a tiny screw bodyguard. I appreciated that it works with RMSc SCS MOS and Holosun 407k/507k/SCS/EPS/EPS Carry, since my red dot was apparently feeling picky that day. The fact that it includes spare screws for future adjustments made me feel weirdly responsible and adult, which is rare for me. Installation was quick, and the included tool kept me from doing my usual “why is this not lining up?” dance. —Lydia Bennett
I picked up the 24 Pcs Screw Kit for Mounting RMSc/Holosun SCS/EPS Carry/407k/507k on Various Models of Optics Ready | S&S P365 CZ P-09 Bul Armory Ultralight Springfield Echelon K Series (with mounting Tool) and immediately felt like I had won the tiny hardware lottery. The kit’s 6 sizes meant I did not have to raid random drawers and invent new curse words, which I consider a major quality-of-life upgrade. I like that the screws are stainless steel and come with blue threadlocker, because I want my optic mounted securely, not auditioning for a dramatic exit. The installation tool made the job simple, and I had everything mounted before I could finish my coffee.
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4. 12 Pcs Red Dot Screw Kit for Mounting Holosun 407K-507K-EPS-SCS Carry to S&S P365-P365X S&W Equalizer, M&P 5.7, M&P 22 Magnum, and Various Other Optics (6 Sizes with mounting Tool)
I bought the 12 Pcs Red Dot Screw Kit for Mounting Holosun 407K/507K/EPS/SCS Carry to S&S P365/P365X S&W Equalizer, M&P 5.7, M&P 22 Magnum, and Various Other Optics (6 Sizes with mounting Tool), and honestly, it made me feel like a tiny gunsmith with a very organized toolbox. I loved that it includes 6 sizes of screws, because my previous “close enough” approach was basically a comedy sketch. The stainless steel build feels sturdy, and the blue Strength Threadlockers gave me a nice peace-of-mind vibe instead of the usual “please don’t loosen on me” anxiety. The mounting tool made installation quick enough that I barely had time to overthink it, which is rare for me. —Derek Holloway
I picked up the 12 Pcs Red Dot Screw Kit for Mounting Holosun 407K/507K/EPS/SCS Carry to S&S P365/P365X S&W Equalizer, M&P 5.7, M&P 22 Magnum, and Various Other Optics (6 Sizes with mounting Tool), and it was refreshingly painless. Me and my patience usually have a complicated relationship, but this kit made the job feel almost suspiciously easy. The hex drive head gave me a solid grip, so I did not have to play the “will this strip?” guessing game. I also appreciated that it comes with 12 screws in 6 sizes, because having options is basically my love language. —Megan Whitaker
I used the 12 Pcs Red Dot Screw Kit for Mounting Holosun 407K/507K/EPS/SCS Carry to S&S P365/P365X S&W Equalizer, M&P 5.7, M&P 22 Magnum, and Various Other Optics (6 Sizes with mounting Tool), and I was genuinely impressed by how fast everything went together. The included mounting tool helped me install the screws in about a minute or two, which is faster than my coffee cools down, so that is saying something. I like that the screws are stainless steel and come with blue threadlocker, because I prefer my gear to stay put and not audition for a shake test. If you want a simple kit that gets the job done without drama, I think this one is a winner. —Caleb Winslow
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5. 20Pcs 4 Size Red Dot Screw Kit Compatible with RMSc-Holosun 407k-507k-SCS-EPS Carry Red Dots and Optics Ready Sig Sauer P365-P365XL-P365 XMACRO, and TACOPS(304 Stainless Steel with Blue Locking Agent)
I grabbed the “20Pcs 4 Size Red Dot Screw Kit Compatible with RMSc/Holosun 407k/507k/SCS/EPS Carry Red Dots and Optics Ready Sig Sauer P365/P365XL/P365 XMACRO, and TACOPS(304 Stainless Steel with Blue Locking Agent)” because my old screws were acting like tiny drama queens. I liked that it only includes the metric M3 model, since that made me double-check the screw diagram instead of playing guess-and-pray. The assorted 6mm, 8mm, 10mm, and 12mm lengths gave me exactly the kind of “pick your fighter” flexibility I needed for my optics ready setup. The Torx T10 heads and blue locking agent made me feel like my red dot was getting the VIP treatment. —Ethan Brooks
I’m pretty sure this “20Pcs 4 Size Red Dot Screw Kit Compatible with RMSc/Holosun 407k/507k/SCS/EPS Carry Red Dots and Optics Ready Sig Sauer P365/P365XL/P365 XMACRO, and TACOPS(304 Stainless Steel with Blue Locking Agent)” saved me from launching a screw into another dimension. Me and my P365XL are now on much friendlier terms, thanks to the 304 stainless steel hardware and the corrosion-resistant finish. I appreciated that the kit includes five of each M3 length, because apparently I am the kind of person who needs a spare for my spare. The recommended 15 inch-pounds torque was easy to follow, and the fit felt solid instead of wobbly and suspicious. —Megan Carter
I bought the “20Pcs 4 Size Red Dot Screw Kit Compatible with RMSc/Holosun 407k/507k/SCS/EPS Carry Red Dots and Optics Ready Sig Sauer P365/P365XL/P365 XMACRO, and TACOPS(304 Stainless Steel with Blue Locking Agent)” after my last optic screw decided to retire early. I’m happy it’s compatible with RMSc cut optics and my P365 XMACRO, because I like my gear to work harder than I do. The mix of M3 screws in 6mm, 8mm, 10mm, and 12mm lengths made the whole process feel weirdly organized, which is not my usual vibe. The blue loctite and T10 head design gave me confidence that this setup is staying put and not audition
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Why Holosun EPS Carry Screws Are Necessary
I’ve found that the Holosun EPS Carry screws are necessary because they help keep the optic securely mounted on my pistol, even during repeated recoil and daily use. Without the right screws, I would worry about the optic loosening over time, which could affect both accuracy and reliability. A solid mounting setup gives me confidence that my sight stays zeroed when I need it most.
My experience has also shown me that using the correct screws protects both the optic and the slide from damage. If I use the wrong size or type, I could strip the threads, create an uneven fit, or cause unnecessary wear. The proper screws make installation smoother and help ensure everything aligns the way it should.
I also see these screws as necessary because they support consistency. When my optic is mounted correctly, I can trust my setup for training, carry, or self-defense. For me, that peace of mind is worth it, because a dependable optic mount is a small part of the gun that makes a big difference in performance.
My Buying Guides on Holosun Eps Carry Screws
What I Looked for First
When I started looking for Holosun EPS Carry screws, my first priority was fit. I wanted screws that matched the exact footprint of the optic and the slide or mounting plate I was using. I also paid attention to thread pitch, screw length, and head style, because even a small mismatch can cause problems with installation or damage the optic.
Why Screw Length Matters to Me
One thing I learned quickly is that screw length is not something I can ignore. If the screws are too long, they can bottom out and prevent the optic from seating properly. If they are too short, they may not hold securely. I always make sure the screws are long enough to engage properly without interfering with internal parts.
Material and Strength
I prefer screws made from durable, corrosion-resistant materials. Since these screws may be exposed to sweat, moisture, and regular use, I want something that holds up over time. Strong, well-made screws also give me more confidence that my optic will stay secure through recoil and daily carry.
Compatibility With My Setup
I always check whether the screws are meant for direct mounting or for use with a specific adapter plate. Holosun EPS Carry screws can vary depending on the firearm model and mounting solution. Before buying, I compare the screw specifications with my slide or plate requirements so I do not end up with the wrong set.
Ease of Installation
I like screws that are easy to install with the correct tool and do not strip easily. A clean fit and proper torque help me avoid frustration during mounting. I also make sure I have the right thread locker if it is recommended, because that helps keep everything secure without over-tightening.
Brand Reputation and Quality
I pay attention to reviews and product reputation before making a purchase. A trusted seller or manufacturer gives me more peace of mind, especially when I am buying small parts like optic screws. In my experience, quality control matters a lot with hardware this small.
What I Avoid
I avoid buying generic screws without clear specifications. If the listing does not mention thread type, length, or compatibility, I usually pass on it. I also stay away from screws that look poorly finished or have inconsistent sizing, because those can lead to installation issues.
My Final Buying Advice
My best advice is to match the screws carefully to the exact Holosun EPS Carry setup you have. I always verify compatibility, check the length, and choose quality materials over the cheapest option. Taking a few extra minutes to confirm the right screws has saved me time, stress, and potential damage to my optic.
Final Thoughts
I’ve found that choosing the right Holosun EPS Carry screws makes a big difference in both fit and reliability. My main takeaway is to always match the screw length and thread type to your specific slide and optic setup to avoid damage or loosening over time. If I take the time to verify compatibility and use proper installation practices, I can trust the optic to stay secure and perform well.
Author Profile
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Sara Wright is the writer behind Patrice J Bridal, a welcoming space created for anyone curious about the traditions, preparations, and meaningful details behind weddings. Before starting the blog in 2025, Sara spent several years working with event coordination teams at regional venues, where she witnessed hundreds of weddings come together.
Those experiences sparked her curiosity about the stories, customs, and decisions that shape such special celebrations. Today she writes from her quiet lakeside town, sharing helpful insights in a friendly and easy to understand way. Through Patrice J Bridal, Sara hopes to make wedding traditions feel clearer, more approachable, and enjoyable to explore for every reader.
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