--- product_id: 14399929 title: "Pen Oiler 1/4 fl oz – All-Purpose Gun Lubricant & Cleaner | Gun Oil for Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers" price: "¥4984" currency: JPY in_stock: true reviews_count: 8 url: https://www.desertcart.jp/products/14399929-pen-oiler-1-4-fl-oz-all-purpose-gun-lubricant store_origin: JP region: Japan --- # Precision micro-needle tip for exact application Mess-free pen design prevents over-oiling Performs flawlessly from -20°F to 400°F Pen Oiler 1/4 fl oz – All-Purpose Gun Lubricant & Cleaner | Gun Oil for Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers **Price:** ¥4984 **Availability:** ✅ In Stock ## Summary > 🔧 Keep your gear slick, smooth, and unstoppable. ## Quick Answers - **What is this?** Pen Oiler 1/4 fl oz – All-Purpose Gun Lubricant & Cleaner | Gun Oil for Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers - **How much does it cost?** ¥4984 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/14399929-pen-oiler-1-4-fl-oz-all-purpose-gun-lubricant) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clean & Controlled:** Pen-style applicator delivers just the right amount of oil—no spills, no mess, no fuss. - • **Pinpoint Precision:** Micro-needle tip targets tight spots for flawless lubrication without waste. - • **All-Weather Warrior:** Engineered to withstand extreme heat and freezing cold, ensuring reliable performance year-round. - • **Military-Grade Trust:** Trusted by law enforcement and pro shooters for unmatched durability and wear protection. - • **Long-Lasting Performance:** Synthetic formula reduces friction and metal wear, extending your firearm’s lifespan. ## Overview Gun Butter Pen Oiler is a premium 1/4 fl oz synthetic gun lubricant featuring a precision micro-needle tip for targeted application. Designed to perform in extreme temperatures from -20°F to 400°F, it offers superior wear protection and mess-free use. Trusted by military and professional shooters, this all-weather lubricant ensures smoother cycling, reduced friction, and long-lasting firearm reliability. ## Description desertcart.com : Gun Butter 1/4oz Pen Oiler – Full Synthetic Gun Oil for Pistols, Rifles & EDC | Pen Tip Applicator, Gun Oil Cleaner & Protectant | All Weather & Extreme Temperature Protection : Gunsmithing Tools And Accessories : Sports & Outdoors Review: High quality gun lube, high octane prices. - Every so-called expert on proper gun lubrication is only an expert through his/her own experience. In my experience, the one thing I discovered was that if you asked ten experts, you should expect ten answers. Temperature plays a big part in lubrication. You know all these TV commercials about how your engine gets gunked up with the wrong (or old) oil? Well, think about the temperatures that the moving parts of your gun are exposed to (well, the slide and linkage, anyway) when you shoot a lot. Dust, dirt, and gunpowder residue is a big deal, too. And if you live in colder climates, that can be another problem, especially going from the cold outside to warmth within. Enter: Gun Butter. Gun Butter is a synthetic lubricant. It’s to RemOil what Mobil One is to QuakerState. Generally, I gravitate towards the old, tried and true. But in this case, the case for science and the logic of the thing won me over. Which was a good thing, because one tiny bottle of Gun Butter ain’t cheap. They say (“they” being the Van Patten family) that “good things come in small packages.” In this case, they’re right. Gun Butter comes in a small bottle with a very long, steel, needle-like applicator, perfect for running a tiny bead of Gun Butter down your slide rails. Even better, a lil’ dab’l do ya – you don’t need much Gun Butter to do the job. In fact, it’s almost to the point where the less you use, the better off you are. Almost. I found that (as advertised) there’s no need to lube my gun every time I clean it. Gun Butter was formulated by a gun-friendly team of Aerospace Engineers (Yes, Virginia… It IS rocket science!) From their website: Gun Butter is for all types of metal-to-metal, metal-to-plastic, and plastic-to-plastic mechanisms’. Our lubrication reduces galling and wear, provides two-year rust protection that extends the service life of your favorite recreational mechanical device. Gun Butter Oil is not grease; its oil will resists change and perform consistently below -20 degrees to over 400 degrees Fahrenheit. Our complete all-weather lubricant will not burn up or evaporate in summer’s heat; it functions normally in freezing weather, stays intact during pouring rain, and repels debris. In operational use Gun Butter’s unsurpassed smoothness and consistency is unparalleled due to its longevity and ease of function. Your mechanism has continued performance assured because Gun Butter’s adhesion exceeds the film-strength of molybdenum grease. I don’t know what they put in this stuff. But I can tell you it works. And it works in all kinds of weather. It’s easy to apply, and one bottle isn’t even close to needing a refill after years of use on every gun I own. Is Gun Butter the be-all, end-all solution to your gun lubrication woes, and more importantly, will it solve the failure-to-run problems that plague some of our writer’s guns? I dunno. All I can say is that it works for me, and it’s quickly become the only lubrication I’ll use on my guns. Review: Great stuff easy to apply love it - This stuff is awesome. The applicator is precise you don't waste any of the fluid. Works well in several of my guns. My Glock loves it. I bought two so I could take one in My range bag and leave one at home on the bench. ## Features - Precision Tip for Tight Spots – Apply oil exactly where needed with a micro-needle tip, perfect for hard-to-reach areas on pistols, rifles, and shotguns. - Mess-Free Application – Pen-style design prevents spills and over-oiling, keeping firearms clean while delivering just the right amount of lubricant. - Superior Wear Protection – Reduces friction and metal-to-metal contact for smoother cycling, less wear, and increased reliability under high stress. - Extreme Temp Performance – Formulated to perform in extreme heat or cold, Gun Butter stays in place and resists drying out or burning off over time. - Trusted by Experts – Made in the USA and trusted by military, law enforcement, and pro shooters for high-performance lubrication that lasts. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00B2VFWUE | | Best Sellers Rank | #10,732 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #39 in Gun Lubrication | | Brand Name | Gun Butter | | Color | Red | | Customer Reviews | 4.7 4.7 out of 5 stars (1,695) | | Date First Available | January 19, 2013 | | Included Components | 1 Needle Oiler | | Item Dimensions LxWxH | 5 x 0.5 x 0.5 inches | | Item Package Dimensions L x W x H | 6.26 x 5.43 x 1.97 inches | | Item Weight | 0.25 Ounces | | Manufacturer | Gun Butter | | Material | Plastic | | Model Name | Pen Oiler | | Number of Items | 1 | | Package Weight | 0.02 Kilograms | | Part Number | B00B2VFWUE | | Size | 1/4 fl oz. Pen Oiler | | Style | Pen Oiler | | Suggested Users | unisex-adult | ## Product Details - **Brand:** Gun Butter - **Item Form:** Oil - **Manufacturer:** Gun Butter - **UPC:** 849449005371 - **Number of Items:** 1 ## Images ![Pen Oiler 1/4 fl oz – All-Purpose Gun Lubricant & Cleaner | Gun Oil for Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers - Image 1](https://m.media-amazon.com/images/I/614FjiejUVL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: So what's the difference between the gun butter 2/3 oz and the gun butter penoiler? (besides the amount in each and price). can't one be just as good** A: No difference other than size. We keep the 2/3 in our home kit, and I keep the penoiler in my range bag in case I want to do a quick cleaning there. Like someone else mentioned, both of these have a real fine tip (that doesn't clog) so you can literally put a very small amount of oil exactly where you need/want it and it won't run off on you. The 2/3 bottle has lasted us forever, and we have several weapons and hit the range weekly. We've been highly impressed with this butter and is worth the price in our opinion. **Q: I cannot get oil to come out. Is there a trick to using this?** A: First time I order it came leaking and was emptied then the replacement the oil won’t come out I did everything I could to my dismay. I have to return it again **Q: Will this product fit inside the battery storage tube on a magpul ar stock?** A: The gun butter pen is 4-7/8" long without the plastic cap. If you're referring to the pistol grip, then no but if you have a stock with storage then maybe. **Q: after using the needle was easy to bend, causing no butter to dispense. very dissatisfied with it. more instructions needed how to use pin** A: The pin is used to precisely locate a drop of gun butter, not sure why you would apply enough pressure to bend the needle applicator. You need to return the cap to the applicator after use. Gun butter is a great product.👍 ## Customer Reviews ### ⭐⭐⭐⭐⭐ High quality gun lube, high octane prices. *by A***R on February 3, 2014* Every so-called expert on proper gun lubrication is only an expert through his/her own experience. In my experience, the one thing I discovered was that if you asked ten experts, you should expect ten answers. Temperature plays a big part in lubrication. You know all these TV commercials about how your engine gets gunked up with the wrong (or old) oil? Well, think about the temperatures that the moving parts of your gun are exposed to (well, the slide and linkage, anyway) when you shoot a lot. Dust, dirt, and gunpowder residue is a big deal, too. And if you live in colder climates, that can be another problem, especially going from the cold outside to warmth within. Enter: Gun Butter. Gun Butter is a synthetic lubricant. It’s to RemOil what Mobil One is to QuakerState. Generally, I gravitate towards the old, tried and true. But in this case, the case for science and the logic of the thing won me over. Which was a good thing, because one tiny bottle of Gun Butter ain’t cheap. They say (“they” being the Van Patten family) that “good things come in small packages.” In this case, they’re right. Gun Butter comes in a small bottle with a very long, steel, needle-like applicator, perfect for running a tiny bead of Gun Butter down your slide rails. Even better, a lil’ dab’l do ya – you don’t need much Gun Butter to do the job. In fact, it’s almost to the point where the less you use, the better off you are. Almost. I found that (as advertised) there’s no need to lube my gun every time I clean it. Gun Butter was formulated by a gun-friendly team of Aerospace Engineers (Yes, Virginia… It IS rocket science!) From their website: Gun Butter is for all types of metal-to-metal, metal-to-plastic, and plastic-to-plastic mechanisms’. Our lubrication reduces galling and wear, provides two-year rust protection that extends the service life of your favorite recreational mechanical device. Gun Butter Oil is not grease; its oil will resists change and perform consistently below -20 degrees to over 400 degrees Fahrenheit. Our complete all-weather lubricant will not burn up or evaporate in summer’s heat; it functions normally in freezing weather, stays intact during pouring rain, and repels debris. In operational use Gun Butter’s unsurpassed smoothness and consistency is unparalleled due to its longevity and ease of function. Your mechanism has continued performance assured because Gun Butter’s adhesion exceeds the film-strength of molybdenum grease. I don’t know what they put in this stuff. But I can tell you it works. And it works in all kinds of weather. It’s easy to apply, and one bottle isn’t even close to needing a refill after years of use on every gun I own. Is Gun Butter the be-all, end-all solution to your gun lubrication woes, and more importantly, will it solve the failure-to-run problems that plague some of our writer’s guns? I dunno. All I can say is that it works for me, and it’s quickly become the only lubrication I’ll use on my guns. ### ⭐⭐⭐⭐⭐ Great stuff easy to apply love it *by A***R on February 24, 2026* This stuff is awesome. The applicator is precise you don't waste any of the fluid. Works well in several of my guns. My Glock loves it. I bought two so I could take one in My range bag and leave one at home on the bench. ### ⭐⭐⭐⭐⭐ works great *by S***T on April 3, 2026* great product ## Frequently Bought Together - Gun Butter Pen Oiler (1/4 fl oz) - All Purpose Gun Lubricant Needle Oiler & Cleaner | Gun Lube Oil For Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers & Extreme Temperatures - Gun Butter Needle Oiler (2/3 fl oz) - All Purpose Gun Lubricant Oiler & Cleaner | Gun Lube Oil For Bores, Pistols, Rifles & Firearms | Superior Durability in All Weathers & Extreme Temperatures - Otis Microfiber Gun Cloth - 3 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/14399929-pen-oiler-1-4-fl-oz-all-purpose-gun-lubricant](https://www.desertcart.jp/products/14399929-pen-oiler-1-4-fl-oz-all-purpose-gun-lubricant) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-27*