*Optimized for use only with 5.56x45 NATO/.223 Remington cartridges. Its 32-round capacity for 5.56mm and 300 Blackout rounds is the most notable enhancement while maintaining the same size as industry-standard 30-round magazines. The L5AWM 300BLK magazine has been specifically engineered for use with heavy subsonic .300 Blackout ammunition, particularly with 200+ grain projectiles. Stryker: 300 AAC Blackout M62 Tracer 142 Gr. $129.99, To: As part of the express consideration provided for receipt of Magpul's goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Magpul in violation of U.S. law is prohibited. Amend2 A2 Stick 34rd 9mm Magazine Glock 17/19/26 . Typically ships within 1 to 2 business days. 300 blackout Full auto nitride bolt carrier group.
The idea is silly on its face .300BLK and 5.56 NATO cartridges have the exact same rim diameter 9.60 mm (0.378 in) so theres simply no additional material that would impact capacity.
Magpul Industries shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product. 30-round magazine, making the rifle easier to maneuver. Search By Caliber. Special Price $29.99. The 20 rounder offers the same great Pmag features but measures in at a few inches shorter so its smaller in-hand. This magazine also works with M16, an adapted rifle from AR15 with the same caliber. The 300 Blackout AR magazine is a modern . And the rifles were damaged because the magazine was overloaded with .300 Blackout in an AR15 chamber of .223/5.56. Customers acquiring ITAR goods, technical data and/or services from Magpul shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws. We use cookies to improve your website experience. Wanting something with better performance than 5.56 NATO, top military officials sought a .30-caliber round capable of ballistic performance similar to the Russian 7.62x39mm (think Soviet SKS and AK-47). This process makes the products sleek, lighter, and perfectly balanced. While running a standard magazine is convenient (one of the central features of the .300 BLK is you dont have to change anything on your 5.56 AR beyond the barrel), theres additional safety in dedicated magazines, which help mitigate dangerous cross-loading issues (chambering and firing the wrong ammo, causing a catastrophic out of battery detonation). MAGPUL PMags are an industry leader when it comes to AR-15 magazines. To keep things as safe as possible, we recommend dedicated 300 Blackout magazines and magazines that offer unique color, distinct follower, or identifiers to ensure its clear which magazine houses 5.56 and which contains .300 BLK.
. 5.0. Tavor Vs AR-15, both rocking the PMAG. $128.20. Free float handguard (handguard may change depending on availability) please request mlok or keymod in comments section and we will try to accommodate you. This is because heavier bullets like the subsonic . 2) Magpul PMAG 300 BLK Gen M3. Innovation. Impact resistant polymer body. AR-15 50 Round 223/556/300 (non subsonic) Drum Magazine - Limited Chevron Pattern Edition. Quantity. Sale
If you are looking for a perfect drum magazine that can shoot .223, 5.56, and .300 AAC blackout, look no further. .300 Blackout mags are indeed different. Gorilla 300 AAC BlackOut Subsonic 220gr Sierra MatchKing - 20 Round Box.
Buyer's Club $107.99 Non-Member $119.99 . We offer a wide inventory of all of these magazines from a number of different manufacturers. FEATURED LONG GUN Italian M91 CarcanoGET YOURS, Limited Edition "Alien Green" 30 Round AK-47 MagazineGET YOURS. There may not be another chance to get these so dont miss your shot to own one of these 50rd drum mags! . Ships in 10 days or less. This item is currently unavailable. Quality. All Rights Reserved. 5.56 NATO/.223 Remington/.300 AAC Blackout Caliber Magazine, 30 Rounds, Gray. In addition to the performance gained by a dedicated mag, the PMAG 30 AR 300 B also offers a safer way to feed your 300 BLK rifle. Pistol length gas tube.
$169.99, Sale
In fact, while the bullet is larger, the .300BLK round is shorter than the 5.56 NATO meaning theres actually more room in a 5.56 magazine when loading .300BLK, which can lead to the above misalignment of the .300BLK when riding a 5.56 mag rib. $6.99 $ 6. Ruger Mini-14 Magazine .300 AAC Blackout 20 Rounds. 300 AAC Blackout Six Pack Pro Kit includes Six pack progressive press, Auto drum powder measure, shell plate, Universal case feed magazine, and Lee breech lock dies (full length sizing die, short charging die, easy adjust dead length bullet seating die, factory crimp die, and instructions with load data). 10. (L to R) 5.56 NATO, .300 BLK, .30 Carbine. Made from 1 piece of BLACK closed cell PVC for strength and durability. We aim for all thriller, no filler, as they say. 4.6 out of 5 star rating (46 reviews) . A standard .300 Blackout magazine, for example, might consist of little more than a polymer mag with the correct internal geometry for the Blackout while a more Gucci mag (is that a thing?) Whats most important about a good .300 Blackout magazine is that it works well with your build and enables you to switch between common AR rounds safely and effectively. In addition, this feature may or may not work for weapons with bolt hold-open levers that don't adhere to the Colt-spec. Rating: 100% . .300 AAC Blackout (also known as .300 BLK or 7.62x35) is a cartridge originally developed for U.S. military special operations. DB380 6 Round Magazine with Finger Extension, .380 $ 15.99 $ 13.59. -
Along with optimized 300 Blackout performance, the PMAG 30 AR 300 B incorporates all of the GEN M3 features such as our next-generation impact and crush resistant polymer, aggressive front and rear texture, an easily removable slim floor plate, a paint pen dot matrix for marking and identification, and a dust/impact cover. Magpul uses polymer feed lips, and are incredibly proven performers in any environment, but if you prefer steel feed lips youll want to look for Lancers or other brands that dont put polymer in their lips, which can be a matter of both preference and overall reliability. Duramag AR-15 .223 / 5.56mm / .300BLK 30-Round Aluminum Magazine, Magpul PMAG GEN M3 AR-15 .300 AAC Blackout 30-Round Magazine, Hexmag AR-15 .223 / 5.56 20-Round Shorty Polymer Magazine, Lancer L5 AR-15 .300 Blackout 30-Round Advanced Warfighter Magazine, Magpul PMAG Gen M3 AR-15 .300 AAC Blackout 20-Round Magazine, Lancer L5 AR-15 .300 Blackout 10-Round Advanced Warfighter Magazine, 10 PACK Magpul PMAG GEN M3 AR-15 .223 / 5.56 30-Round Magazine, Duramag AR-15 5.56 / 300BLK 5-Round Stainless Steel Magazine with Orange Follower, Lancer L5 AR-15 .300 Blackout 20-Round Advanced Warfighter Magazine, Duramag AR-15 .223 / 5.56 30-Round Aluminum Magazine with Orange Follower, 10 Pack of Magpul PMAG GEN M3 Window AR-15 .223 / 5.56 30-Round Magazine, 10 PACK Magpul PMAG GEN M2 MOE AR-15 .223 / 5.56 30-Round Magazine, 10 PACK Magpul PMAG GEN M3 AR-15 .223 / 5.56 10-Round Magazine, Lancer L5AWM Plus 6-round Extended Magazine Basepad, Lancer L5 AR-15 223 / 5.56 30-Round Advanced Warfighter Magazine 10-Pack, 10 PACK Magpul PMAG GEN M3 AR-15 .223 / 5.56 40-Round Magazine, 6 Pack of Hexmag Series 2 AR-15 .223 / 5.56 30-Round Magazine, 10 PACK Magpul PMAG GEN M3 AR-15 .300 AAC Blackout 30-Round Magazine, CPD AR-15 .223 / 5.56 20-Round Aluminum Magazine w/ Black Follower, 6 Pack of Hexmag Series 2 AR-15 .223 / 5.56 10/30-Round Polymer Magazine, Ruger American Rifle .223/5.56/.204 Ruger/.300 AAC 5-Round Magazine, Ruger Mini-14 300 Blackout 20-Round Magazine, 10 Pack of Magpul PMAG GEN M3 AR-15 .223 / 5.56 20-Round Magazine, Ruger AR-556, SR-556 Takedown 300 Blackout 30-Round Magazine, 6 PACK Magpul PMAG GEN M3 AR-15 .223 / 5.56 30-Round Magazine, Hexmag Series 2 AR-15 .223 / 5.56 15/30-Round Polymer Magazine 6-Pack, 6 PACK Magpul PMAG GEN M2 MOE AR-15 .223 / 5.56 30-Round Magazine, 10 PACK Magpul PMAG GEN M2 MOE Window AR-15 .223 / 5.56 30-Round Magazine, Hexmag Series 2 AR-15 .223 / 5.56 30-Round Carbon Fiber Magazine 6-Pack, Case of 100 Magpul PMAG GEN M3 Window AR-15 .223 / 5.56 30-Round Magazine, Okay Surefeed E2 AR-15 .223 Rem / 5.56 30-Round Magazine 10-Pack, Duramag AR-15 .223, 5.56, .300BLK 20-Round Magazine, CPD AR-15 .223 / 5.56 20-Round Aluminum Magazine w/ Orange Follower, Okay Surefeed AR-15 .223 Rem / 5.56 20-Round Magazine 10-Pack, D&H AR-15 300 AAC Blackout 10-Round Aluminum Magazine, Case of 75 Magpul PMAG GEN M3 AR-15 .223 / 5.56 40-Round Magazine, D&H AR-15 .300 AAC Blackout 20-Round Aluminum Magazine, Case of 100 Magpul PMAG GEN M3 AR-15 .223 / 5.56 20-Round Magazine, Case of 100 Magpul PMAG GEN M2 MOE AR-15 .223 / 5.56 30-Round Magazine, Hexmag AR-15 .223/5.56 20-Round Shorty Polymer Magazine 6-Pack, Okay Surefeed AR-15 .223 Rem / 5.56 30-Round Magazine 10-Pack, Case of 100 Magpul PMAG GEN M3 AR-15 .223 / 5.56 10-Round Magazine, Okay Surefeed AR-15 .223 Rem / 5.56 10-Round Magazine 10-Pack, D&H AR-15 300 AAC Blackout 30-Round Aluminum Magazine, Case of 100 Magpul PMAG GEN M2 MOE Window AR-15 .223 / 5.56 30-Round Magazine, Savage Axis, 10, 11, 16, 110 .204 Ruger, 223 Remington, .300 Blackout 4-Round Magazine. Zero Credit Fees & Free Shipping on all items, By adding any item to cart, I understand and agree to the. F5 MFG presents one of its finest and robust drum mags, the skeletonized 50 round drum magazine for your AR 15. Sale. Available in 10, 20 and 30-round capacities. The PMAG 30 AR 300 B's distinct . Duramag AR-15 5.56 / 300BLK 5-Round Stainless Steel Magazine with Orange Follower . We use only the most trusted contractors to precision manufacture our .22LR barrels, bolt and magazines. JavaScript seems to be disabled in your browser. This magazine is manufactured from a solid piece of billet, which is why it takes time to manufacture it using state-of-the-art CNC technology. Highest levels of material built and reliability, Proudly designed and manufactured in the USA. Due to the wide variety of projectile weights and profiles potentially decreasing overall reliability, a dedicated 300 BLK magazine was a logical step for the PMAG line. Instead of opting for an aggressive front texture or specific ribbing, D&H keeps cross-loading at bay with a simple approach: include a visual indicator of the caliber on the magazine from the factory. With that said, its always a good idea to inspect the feed lips on aluminum mags occasionally to ensure theyre still in shape, especially after considerable use or theyve been dropped. Sale $37.99. Designed to fit the AR-15 rifle. We highly recommend Lancer L5AWM 300BLK 30-round and Magpul PMAG 300BLK 30-round magazines. If you've ever wondered which is better 556 or 300 Blackout, you came to the right place. Shop online Today and Save! FREE delivery Wed, Mar 8 on $25 of items shipped by Amazon. We only stock the proven quality when it comes to 300 Blackout and 223 5.56 magazines. Specifically engineered for use with heavy subsonic .300 Blackout ammunition (200+ grain), the Lancer L5AWM 300BLK magazine features an updated internal geometry which allows longer heavier cartridges to stack properly, increasing feeding reliability when compared to a traditional .223/5.56 . Compliance Notices and Magazine Restrictions, Wide compatibility with most 'STANAG 4179' platforms such as the AR15, M4, M16, SCAR MK16/16S, HK416, MR556, M27 IAR, IWI Tavor, and others**. The updated internal magazine geometry allows these longer heavier bullets to stack properly, which increases feeding reliability when compared to a . Get discounts from top brands and our latest reviews! It is done in cerakote armor black, Magpul flat dark earth (FDE), and OD green Magpul for better protection, additional wear strength, friction reduction, and a bold look. PLEASE NOTE:Certain U.S. jurisdictions restrict firearm magazines sales. $18.99, Special Price
$90.75, Sale
Rating: 80%. 308 Win (7.62 NATO) Dummy. When it comes to performance downrange, the 7.62x39 Vs. .300 Blackout differences show, despite the fact both cartridges are .30-caliber.308-inch. 99 $7.99 $7.99. Description Brand Capacity Price Count PPM. Performance. Use with other calibers such as .300 AAC Blackout is not recommended. The store will not work correctly in the case when cookies are disabled. .750 steel gas block. The PMAG D-60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington* polymer drum magazine for AR15/M4 compatible weapons. The window in this lightweight polymer magazine is also handy for keeping track of remaining ammunition. DB9 6 Round Standard Magazine, 9mm $ 15.99 $ 13.59. If you are looking for a perfect drum magazine that can shoot .223, 5.56, and .300 AAC blackout, look no further. Some of the most popular magazines for the AR are the 5.56 NATO/.223 Rem and the .300 Blackout. and certify that I will comply with applicable federal, state and local laws and regulations. Theres no reason not to have a purpose-designed magazine for your Blackout setup. Sign up to receive promotional emails roughly once a month. Add to Cart. Accessories. 2023 Magpul Industries Corp. All Rights Reserved. With a little bit of forethought, this can be done with something as simple as a paint pen and a few minutes of your time. Well in our case as civilians, why not use it for home defense too? Absolutely. When reviewing guns or gear, we get our hands on as many products as possible, but there are times when certain products or categories are a real challenge be it availability, cost, or simply a lack of resources we can get stymied going hands-on with all the potential candidates. Below is my list of the best .300 BLK magazines for 2022. It means any excess metal was removed while during the manufacturing process to ready the mags with bare minimum metal to function properly. Feed lips are the last mile of the magazine theyre where the round is handed off to the bolt carrier in the chamber, which is a volatile environment. Shop from our wide selection of .300 Blackout magazines, available from industry-leading manufacturers. If you are in the market, get your AR 223 magazine ordered today. I list the best choices in terms of value, performance, design, and cost. F5 MFG presents one of its finest and robust drum mags, the skeletonized 50 round drum magazine for your AR 15. By Adam Scepaniak. Rating: 67%. Therein lies the potential for misuse. Rifle Parts; Hunting . When using 5.56 mags, the potential to chamber and fire a 300 BLK round in a 5.56 rifle with catastrophic results requires diligent ammunition management by the shooter. . 1996-2023, Amazon.com, Inc. or its affiliates, Select a location to see product availability. 172 Reviews. Distinct rib design provides the shooter a visual and tactical difference from any other PMAG to mitigate dangerous cross-loading. One of the key features of 300 BLK is the compatibility with 5.56x45mm parts, but with the magazine, it is a compromise to do so. There is, however, a significant advantage to using a magazine thats made for a specific caliber. . Caliber: 300 AAC Blackout (also available in 5.56 and 9mm, and all calibers are available as conversion kits) Action: bullpup semi-auto, long stroke gas piston with 2-position adjustable gas block Magazine: uses standard AR-15 (STANAG) magazines. Category. A dedicated .300 Blackout magazine gives you a chance to load your BLK in a specific magazine, which can offer a tactile difference or enable you to paint a bright color or use another visual indicator (such as a paint pen on the Magpul Gen M3 or different colored follower) giving you distinct visual and tactile indications as to which magazine is which. $29.99, Special Price
Fanboy moment over. 4.8 4.8 out of 5 stars (32) Save 13%. Gorilla Ammunition .300 BlackOut 115gr, Controlled Chaos, Pig Punisher - 20 Round Box. One thing to keep in mind with aluminum magazines, theyre durable but can bend and dent rather than break (like polymer magazines might). You can generally use .300 BLK rounds in a 5.56mm magazine without issue, but commingling different cartridges in common magazines is just asking for pain. Variants of this versatile magazine work in 5.56 45/.223 and most 300 AAC Blackout(for more information on .300blk please call us.) Add some visual indicators like a specific caliber in the DOT matrix, and this gives you a great solution without breaking from Magpul products if theyre your thing. .300 Blackout vs 5.56mm NATO. The twist rate will work well for subsonic and supersonic loadings alike and . Brand: Hexmag Magazines. $699$7.99. Add to . BEST BUDGET OPTION: Daniel Defense 5.56mm 32rd Magazine. ), also known as 7.6235mm, is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine.The cartridge yields increased performance in shorter barrels and effective subsonic performance for silencer use when compared to 5.56mm NATO. 32 ACP / Automatic Dummy. The L5AWM is compatible with many modern weapon systems chambered in .300 Blackout. $19.99, Sale
This magazine also works . 3.6 out of 5 star rating (32 reviews) Quick View. $148.99, Sale
No. However, at 700 meters, 300 AAC Blackout gains the same muzzle energy that 5,56 develops at 500 meters, which is a very good result for long-distance shooting. 338 Win Mag Dummy. Offering better ballistic performance and stopping power than the standard 9mm (the most popular subsonic SMG round) in subsonic AR setups, and you can run standard 5.56 magazines with any rifle chambered in .300 Blackout as the case dimensions are close enough to function in both. (See Magpul Compliance Notices page for more information). Buy this for your AR15 or M16 and turn your weapon into a non-stop mean machine. $31.99 On Sale: $20.17 Out of Stock. The X Products X-15 is an extremely compact and versatile 50 round magazine for the AR-15 chambered in .223 Rem/5.56 NATO and .300 AAC Blackout calibers. Also, polymer magazines are much more widely available and seem to go on sale more often. $9.99, $10.99
Magpul Industries cannot process sales/shipments prohibited by law. $65.99, Special Price
300 AAC Blackout Magazines. While the latter can certainly be used in most cases, most of the time, some people have had slight feeding issues with 5.56mm magazines feeding .300 Blackout from magazines that have a high round count. This drum mag is a robust, resilient, sturdy, and authentic product of F5 that delivers extraordinary performance on the range. Add to cart. When using 5.56x45mm mags, the potential to chamber and fire a 300 BLK round in a 5.56x45mm rifle with catastrophic results requires diligent ammunition management by the shooter. Description: Designed for medium-range target practice, training, and plinking, Stryker 300 AAC Blackout Tracer ammunition is 100% American-made. $14.99. Answer (1 of 4): In theory. Shipping: Free to High Modify Search . $29.99. Magpul is the most popular manufacturer of polymer firearm magazines for everything from Glock mags to AR-15 mags. .300 BO is commonly loaded in standard AR magazines. Magpul Industries cannot process sales/shipments prohibited by law. Skip to the beginning of the images gallery, As part of the express consideration provided for receipt of Magpul's goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Magpul in violation of U.S. law is prohibited. Fig 1 - .300 Blackout Round in a 5.56 Magazine, D&H Industries 300 Blackout 20 Round Magazine, Voluntary Industry Performance Standards for Pressure and Velocity of Centerfire Rifle Ammunition for the Use of Commercial Manufacturers, The American Firearms Guide to Shotgunning. Ive never tried it but i have had issues with 300 blackout and traditional 5.56 mags. Aolamegs 300 AAC BLK/7.62x35 mm, 300 Blackout Magazine Bands,Silicone Magazine Marking Bands for Identify Quickly. The Magpul PMAG D-60 AR/M4 5.5645 Nato 300 Drum Magazine is a high-capacity magazine designed for AR-15 rifles and carbines. You do not pay anything extra and your purchase helps support our work. (See Magpul Compliance Notices page for more information). Your high capacity magazines super store. more than the 5.56mm round at 300 yards, and 180 ft./lbs. These will get the job done and feed generally well but will do so at the cost of reduced capacity, usually, 30 .300 blackout rounds instead of 30 5.56mm rounds. Due to the side-by-side staging of single Reliability. Real talk time, kids: most AR magazines, regardless of caliber, are relatively similar its the subtle differences that truly distinguish them from one another. $ 18.99. Free Shipping Eligible! 4.8 (32) Save 13%. AR-15 Speed Loader 5.56/.223 300 Blackout. While these mags are, in many ways, identical to those 5.56mm variants, our recommendations will make it easier to tell them apart in your range bag, give you a sense of the best brands and features all while keeping price point in mind. To avoid disappointment or steering you in the wrong direction, we bolster our own experience with conversations with experts, comb through reviews on retailer sites & sales data, review industry publications, other blogs, and otherwise surface the best information available. Search Results for: "AR 300 blackout drum mag" Palmetto State Armory PA-15 300 Blackout Police Trade-In AR Pistol with Red Dot Sight Style: SCD648976; Department: Firearms > Used Gun Collection; Diamondhead Transporter 300 Blackout Side Folding AR Pistol with 7.5 Inch Barrel . This rib can tip the fatter .300BLK rounds (generally subsonic ammo in the 115-grain territory) toward the center of the magazine, creating misalignment and potential bullet pinching with picky rifles leading to a slower load. Its a thing. Notify Me. 2023, The Mag Shack. I think that this tradeoff can be acceptable, but since magazines are relatively affordable to begin with, it makes more sense to go for magazines that are intended to work with the caliber that I plan to shoot the most, even if something else will get the job done. Anyone who says youll negatively impact magazine capacity when loading .300BLK in a 5.56 stick has never actually tried to do it. Since its inception, 300 BLK shooters have had to use a magazine designed for another cartridge, limiting its ultimate performance and compatibility. JavaScript seems to be disabled in your browser. The agile and innovative technologies have helped us manufacture highly durable, functional, and convenient-to-use products at affordable pricing. Online Only. SALE PRICE: $16.99. $13.99, Sale
How we select gear. 58 Results Found. For most gun enthusiasts, most of the time, theres no functional issue with using a 5.56 NATO mag when loading .300BLK. **The D-60 is designed to lock the bolt back after the last round for most AR15/M4/HK416 platforms. PSA is your 300 Blackout headquarters for rifles, pistols, kits, ammo, and more. These controls take the form of export regulations and license requirements. New Releases. PMAGs are my go-to for almost any caliber. Only the 5.56 NATO and .300BLK can be chambered in a common AR, so mag differentiation is a must. X Products X-15. Built entirely of aluminum, the fully enclosed magazine allows for no separation of ammunition during function to easily handle firing rates of up to 1100 rounds per minute. Bulk Ammunition on sale, including 300 Blackout/Whisper Rifle Rounds. $16.99, Special Price
Its purpose is to achieve ballistics similar to the 7.6239mm Soviet cartridge in an AR-15 platform while using standard AR-15 magazines at their normal . $179.85 $0.59. They fit ok but they tend to jam in my gun (failure . Copyright 2022 Classic Firearms, LLC. Dedicated, purpose-designed magazine for rifles chambered in 300 Blackout.
They use a .300BLK-specific internal geometry and shoulder rib that enables the rounds to stack properly and prevents feeding issues with the shorter, stubbier rounds -giving you a more reliable magazine. For the best experience on our site, be sure to turn on Javascript in your browser. Search By Capacity. JavaScript seems to be disabled in your browser. We're proud to offer Military/Veterans, First Responders, and Government Employees special pricing. The classic is, of course, the 5.56 NATO/.223 Rem, based on the original designs going back to the 1950s and 60s. 300 Win Short Mag Dummy. The PMAG D-60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington* polymer drum magazine for AR15/M4 compatible weapons. While metal might be a little more durable than polymer, I tend to prefer the latter to save a little bit on weight. Failure to do so may result in serious bodily injury or death. Save $8.00 (21%) Description. Theyre made out of high-quality, black anodized aluminum for years of service and a solid lock into any AR mag well. . . While standard AR-15 magazines may be used for this cartridge, the potential danger exists to chamber and fire a 300 Blackout round in a 5.56 NATO chamber with catastrophic results.Optimized for 300 AAC Blackout, the PMAG 30 AR 300 B retains all the GEN M3 features adding a distinct rib design and . Gorilla DEFENSE, 300 Blackout, Gorilla HUNT, 300 Blackout, View Ammo By Caliber, 300 Blackout. Marks engraved in loader for 10, 20, 28, 30 rounds. Merch. . While this would be a minor inconvenience at the range, it could well be the difference between staying in the fight and a catastrophic failure if you grab the wrong black polymer magazine in the awful event of a home defense scenario.