Affiliate Disclosure: AmmoCave.com sometimes gets paid for listings, through sponsors or affiliate programs like Lucky Gunner, Optics Planet, Brownells, Cabelas, Academy Sports & Outdoors, Rainier Arms, Palmetto State Armory, Sportsman’s Guide, Ammo.com, Ammo Man, Primary Arms, MidWayUsa, Amazon, eBay, etс. Clicking a link helps keep AmmoCave.com free, at no extra cost to you!
Authors: Each article is verified by AmmoCave's expert team. Professional hunters, firearm trainers, gunsmiths, and gun experts write the articles. AmmoCave Team independently researches, tests, reviews, and uses recommendations from our community of gun owners. We may earn commissions from shopping links.
Note: The views and opinions expressed in this article are those of the authors and do not necessarily reflect any agency's official policy or position. The articles are for informational purposes only, share your opinions about Best 300 Blackout Magazine 2023 in the comments and join the discussions. Let's share 💬 our ammo & gun experiences together!
What is 300 Blackout magazine? 🧐
It is a magazine specifically designed for rifles chambered in the 300 Blackout caliber. These magazines are typically made from polymer and offer improved reliability, durability, and ergonomics over standard aluminum magazines.
Features 💡
- 🔥 Capacity: The capacity of a magazine is an important feature to consider. 300 Blackout magazines typically come in a range of capacities, from 10 to 30 rounds.
- 🔥 Material: These magazines are made of aluminum or polymer. Aluminum magazines are durable and can withstand more wear and tear, but they can be heavier. Polymer magazines are lightweight and durable, but may not be as long-lasting as aluminum.
- 🔥 Compatibility: When buying a magazine, it’s important to ensure it’s compatible with your firearm. Not all models are designed to fit all firearms, so be sure to check that the magazine you choose matches the specifications of your firearm.
- 🔥 Feed Lip Design: The feed lip design of a magazine can impact the reliability of the magazine when feeding rounds. Straight-feed lips are common in such magazines and are designed to work with most bullets.
- 🔥 Design: There are various designs, such as single-stack or double-stack. Some magazines have a window or an indicator to show how many rounds are left, which can be a useful feature when using the magazine for tactical purposes.
Benefits 🤩
- ✨ Increased Versatility: One of the main benefits of using a 300 Blackout magazine is its versatility. It allows you to use both supersonic and subsonic ammo, which means you can use it for a wide range of activities, such as hunting, home defense, or target shooting.
- ✨ Reduced Recoil: The cartridge generates less recoil compared to other rifle cartridges, making it an excellent choice for novice shooters or those who want to minimize the impact of the gun’s recoil.
- ✨ Increased Magazine Capacity: Designed to work with standard AR-15 magazines, which means you can have a higher magazine capacity than other rifle cartridges. You can pack more rounds into a single magazine, which means you won’t have to reload as often.
- ✨ Price: While it’s important to consider price when purchasing a magazine, it’s also important to remember that a higher price doesn’t always equate to better quality. It’s important to focus on the features that are important to you and choose a magazine that fits your budget.
⚙️Cycling/feeding issues⚙️
🤔 Cycling issues with 300 AAC Blackout magazines can be especially prevalent when using ammo that is overpressure or not loaded to proper specs.
🛟 In this case, a magazine won’t feed bullets evenly and could cause jams in the firearm.
➡️ It’s important to select a magazine that has been designed and tested specifically for your gun’s chambering and caliber size to ensure reliable feeding.
➡️ Additionally, look for magazines with anti-tilt followers which are designed to prevent tilting inside the magazine and help cartridges stack more efficiently for better feeding performance.
Top 15 🎯 Magazine For Diamondback 300 Blackout
1# Lancer L5 Advanced Warfighter Magazine
The Lancer L5 Advanced Warfighter Magazine is designed to cater specifically to heavy subsonic .300 Blackout ammunition weighing 200+ grain. Its updated internal geometry allows longer, heavier cartridges to stack properly, improving feeding reliability compared to traditional .223/5.56 magazines. Additionally, the magazine comes with a flat dark earth floor plate, providing a contrasting color for easy visual identification. Whether for personal or professional use, this magazine is an excellent choice for those who prioritize precision and efficiency!
2# CompMag AR-15 10-Round Compliant Locked Magazine
Do you want to get a quality magazine? Notice the CompMag AR-15 10-Round Compliant Locked Magazine. It is constructed of impact and crush-resistant, G.F. Nylon 6, fiberglass-reinforced polymer composite. It is ultra-durable and heavy-duty, built to last with 150% to 300% thicker side walls than most polymer magazines. As our tests have shown it also features a 17-7 stainless steel magazine spring and a CNC-turned steel charging handle with a glossy black oxide finish, the round counter indicates exactly how many rounds are left in your firearm, including what’s in your chamber. Overall, the CompMag AR-15 10-Round Compliant Locked Magazine is an excellent choice for those who want a reliable, compliant, and efficient magazine for their AR-15 platform.
3# Hexmag HX AR-15 Series 2 Magazine
Magazine capacity restrictions in various states have led to the development of 10-round magazine solutions, including the highly functional and durable Hexmag HX AR-15 Series 2 Magazine. Its design pattern for maximum grip, durability, and performance. Its patented Tool-Less design enables quick and easy floorplate removal, allowing for field cleaning and customization using the HexID color system. The True Riser system, regulates magazine capacity while maintaining a standard-size body to meet compliance regulations in specific regions. It is an ideal option for those seeking a reliable and customizable 10-round magazine solution!
4# C Products Defense Crimped Magazine
Introducing the C Products Defense Crimped Magazine. This stainless steel magazine is extremely durable and outperforms mil-spec aluminum magazines in every test. The combination of 400 series stainless steel and heat treatment makes this magazine one of the most heavy-duty in the industry, with only a slight increase in weight. All magazines feature the new snap-on anti-tilt follower, which uses .020 gauge material in stainless steel and increased interior dimensional room to enhance proper stacking of rounds and dramatically reduce failures due to jams. In terms of functionality, this magazine is far superior to any in the market today – order the C Products Defense Crimped Magazine just now!
5# MDT Polymer Detachable Box Magazine
Do you want to get a detachable box magazine? Check out the MDT Polymer Detachable Box Magazine. It is made with high-quality polymer and a tempered-steel spring, this magazine can hold ten rounds of .223 ammo, providing you with a durable and reliable solution for all your shooting needs. Using this product, our team found that if you’re new to detachable box magazines, they simply allow you to easily remove the magazine from your firearm, making loading your bolt-action rifle a breeze. This is especially useful for competitive target shooting and range training where speed and efficiency matter. With its reliability and performance, you can trust this magazine to deliver the results you need!
6# C Products Defense 5.56mm/.223/300BLK Crimped Magazine
C Products Defense uses an advanced proprietary coating, combined with black-T, which attaches at the molecular level to decrease the coefficient of friction. This provides smooth and problem-free operation, increased performance, and extended service life through unparalleled lubricity. C Products Defense 5.56mm/.223/300BLK Crimped Magazine is feature the new snap-on anti-tilt follower, and the use of .020 gauge material in stainless steel, combined with the increased interior dimensional room, enhances proper stacking of the rounds and dramatically reduces failure due to jams. Functionally, this magazine is far superior to any in today’s market!
7# CZ 527 300 AAC Blackout 5RD Magazine
Searching for a reliable replacement magazine for your CZ 527? Look at the CZ 527 300 AAC Blackout 5RD Magazine designed specifically for 300 AAC Blackout/Whisper (7.62x35mm) caliber rifles. With a 5-round capacity and a sleek black finish, this detachable magazine is both functional and stylish. Whether you’re hitting the range or heading out for a hunting trip, trust the CZ 527 300 AAC Blackout 5RD Magazine to keep your CZ 527 loaded and ready to fire.
8# MDT Polymer Magazine
MDT Polymer Magazine is engineered to fit seamlessly into MDT TAC21 and LSS Chassis systems, in addition to numerous other M24-type chassis and bottom metals. These magazines are crafted using top-notch polymer and feature a tempered steel spring for ultimate durability. If you want to get offered superior feeding and reliability – order the MDT Polymer Magazine just now!
9# H-S Precision Remington 700 BDL Detachable Magazine
Do you need a reliable magazine for your Remington 700 BDL short-action rifle? Notice the H-S Precision Remington 700 BDL Detachable Magazine. With a capacity of 10 rounds, this magazine uses a stainless steel follower and an extra-large spring to ensure your rounds stack properly and feed reliably. The durable polymer boot at the bottom of the magazine is easy to install and remove, thanks to its polymer foundation. Adjusting the feed lips allows you to use this mag box with almost any caliber you choose. Whether you’re shooting for sport or hunting, equip your rifle with an H-S Precision Remington 700 BDL Detachable Magazine for each of your favorite short-action calibers.
10# MagPump .223/5.56 AR-15 Magazine Loader
Spend more time at the range and less time loading your magazines with the MagPump .223/5.56 AR-15 Magazine Loader. This innovative speed loader eliminates hand fatigue and reduces loading time by over 50%, so you can focus on taking down targets. Constructed from durable polymer, this lightweight loader can be mounted to any Weaver or Picatinny rail. With a 90-round capacity, you can quickly and efficiently load your magazines without having to spend hours at the workbench. Keep your hands fresh and increase your shooting time with the MagPump AR-15 Hopper-Fed Magazine Loader.
11# Magpul AR-15 30RD PMAG Gen M3 Window Magazine
The third-generation PMAG is an enhanced version of the polymer magazine that transformed magazine technology for the AR-15/M16/M4 platform. With improved strength, reliability, and versatility, the Magpul AR-15 30RD PMAG Gen M3 Window Magazine is made of a special polymer formula that offers greater resistance to crushing and impact, with added reinforcement in the mag catch and feeds lip areas. Because of our knowledge gained through practice, the new four-way anti-tilt follower design ensures even smoother feeding, even when contaminated by dust or grit, and pop-off dust cover helps to minimize debris intrusion and prevent damage during storage. The removable floorplate is now both stronger and slimmer for easier side-by-side carry in tight mag pouches. This Magpul AR-15 30RD PMAG Gen M3 Window Magazine is ideal for those looking for a reliable, durable magazine for their firearm!
12# D&H Industries AR-15 300 Blackout Magazines
Introducing the D&H Industries AR-15 300 Blackout Magazines, the perfect solution for your rifle. This magazine boasts an aluminum body with a red magazine follower, ensuring a lightweight yet durable construction. With this magazine, you can trust that your 300 Blackout rounds will be fed smoothly and reliably. Upgrade your rifle today with this D&H Industries AR-15 300 Blackout Magazine!
13# Magpul AR-15 300 BLK PMAG 30 Gen M3 Magazine
The Magpul AR-15 300 BLK PMAG 30 Gen M3 Magazine is an advanced magazine designed for rifles that are chambered in .300 Blackout. It features a distinct rib design that provides a visual and tactile difference from any other, making it easy to identify and mitigate dangerous cross-loading issues. Constructed from the latest polymer technology and features an aggressive front and rear texture, making it impact and crush-resistant. The magazine also features an easily removable slim floor plate, a paint pen dot matrix for marking and identification, and a dust/impact cover. In summary, the Magpul AR-15 300 BLK PMAG 30 Gen M3 Magazine is a dedicated and purpose-designed magazine that brings optimized performance to rifles chambered in .300 Blackout.
14# Lancer Systems AR-15 L5AWM 300BLK Translucent Smoke Magazine
The Lancer Systems AR-15 L5AWM 300BLK Translucent Smoke Magazine is the latest addition to the company’s exceptional line of reliable and durable magazines, optimized for one of the most popular calibers used in AR-15 platform rifles. Based on their original design, this magazine is tailored for the specific dimensions of .300 BLK cartridges, ensuring smooth and dependable feeding. It has a translucent smoke finish and a 30-round capacity. The feed lips are made of hardened steel, providing added durability and wear resistance. The magazine also features aggressive texturing for improved grip, even in harsh conditions. Order and try it today!
15# Magpul 20 AR 300B Gen M3 PMAG
Magpul has introduced a new addition to its line of high-quality magazines, the Magpul 20 AR 300B Gen M3 PMAG. This magazine is specifically designed to provide reliable performance and clear labeling when used with 300 Blackout rounds. Our analysis of this product showed that one of the notable features is its compact size, which makes it an excellent choice for small rifle-caliber platforms. Made from Magpul’s rugged polymer, it features an easy-to-remove baseplate for easy cleaning, a dot matrix for organization, and a dust cover to protect the feed lips from impacts. Order one for yourself to get an excellent performance!
How optimizing P-mags side ribs? ✍️
When it comes to the production of 300 Blackout magazines, one key factor that should not be overlooked is optimizing the side ribs. This is an important aspect in ensuring that your magazine functions properly and reliably.
📝 Side ribs are grooves or ridges on either side of the magazine’s interior walls which help to guide the rounds into position as they’re loaded. When the ribs aren’t properly optimized, you may find that your magazine jams more often and is less reliable when in use.
- ⭕ For optimal performance, it’s important to ensure that the side ribs are even and symmetrical along each wall of the magazine. This will help to make sure the round is guided into place without any hang-ups or binding caused by misaligned ribs.
- ⭕ It’s also important to check for any sharp edges on both sides of the magazine as these can cause rounds to become lodged in place during operation. If necessary, use a file or sandpaper to smooth out any rough spots on either side of the magazine so that rounds can move freely within.
- ⭕ Finally, be sure to check that the opening of the magazine is wide enough to allow rounds to pass through without any jamming or sticking. If necessary, widen and deepen the opening so it’s easy for rounds to slide in and out with no trouble.
FAQ 🤠
Conclusion 😊
In this post, we’ve explored various aspects such as magazine size, capacity, material type, and construction quality so that you can find a reliable option for your specific needs. Remember to always keep safety in mind when choosing a magazine for your firearm regardless of its caliber or model. With these tips in hand, we hope that our buyer’s guide has helped help you decide on the right magazine for your next shooting session! 🤠🎯
Tags: #best 300 blackout magazine / #best magazine for 300 blackout / #best 300 blackout 10 magazine / #best magazine for diamondback 300 blackout / #best magazine 300 blackout
I own a couple of AR-15 rifles and already have a good number of magazines for them. However, I am now in the process of building my first .300 Blackout rifle. Although I do not currently have a suppressor, I plan on getting one in the future. I am trying to determine if it is necessary to buy new .300Blackout-specific PMAGs for my rifle. From what I have read, it seems that these magazines can improve reliability, particularly when shooting heavier subsonic rounds.
I recommend getting some new magazines specifically for your .300 Blackout rifle. I already have a couple of AR-15s and plenty of magazines for them, but I recently started putting together my first .300 Blackout and realized that using the same magazines for both rifles is not a good idea. It’s important to have a different style magazine for your .300 Blackout to avoid accidentally inserting the wrong magazine into your rifle, which could lead to a dangerous situation. I use Magpul magazines for my AR-15s chambered in 5.56mm and Lancer magazines forming .300 Blackout. This way, I can easily tell them apart and avoid any mix-ups.
I agree with the recommendation for Lancer magazines and I’d like to add my suggestion. I prefer using Lancer L5 Advanced Warfighter Magazine.
I think it’s worth it! I use Magpul AR-15 30RD PMAG Gen M3 Window Magazine and I’ve never had any feeding problems. It’s much better to have the right magazines than to risk a malfunction and end up using an expensive paperweight to protect yourself.
I just picked up a Honey Badger and I’m in the market for some magazines. I’ll be primarily shooting SUBS and I prefer the 20-round size for its compactness and weight savings. So I’m wondering if the Lancer magazines are designed for reliability for shooting SUBS in my Honey Badger.
In my experience, I’ve found that using Lancer Systems AR-15 L5AWM 300BLK Translucent Smoke Magazine. I use different colored magazines to easily tell them apart, but the color itself doesn’t matter.
Which magazine do you guys prefer for dedicated use with 300 BLK – the 223magazinese or a specific 300 BLK magazine?
I like using a Lancer L5 Advanced Warfighter Magazine for my 300 Blackout to distinguish it from those I use for 5.56. I have not experienced any issues with its performance.
I’m not sure about others, but for my 300 Blackout, I use dedicated 300 BLK magazines. While you can use a 5.56 magazine, I prefer to avoid it as there have been reports of feeding issues, especially with heavier grain ammunition. It’s safer and more reliable to use a magazine designed for a specific caliber. Am I right?
Certainly, 5.56 magazines can be used for 300Blackoutst. However, there can be variations in reliability among different magazines.