Additionally, .350 Legend cartridges use a, (BCG), which is often referred to as the typical AR-15 round. Black Friday sale for $180. The .350 Legend cartridge has become one of the preferred rounds for both hog and coyote hunters as well. *Photos may include features and/or upgrades not included in the base model and price. B .King's Firearms, Training and Retail LLC does not knowingly collect or maintain any personal information from children under the age of 17. Each barrel is treated with a nitride finish on the inside and outside, and the barrels are . AR is the way to go. The .350 Legend cartridge is a round that was introduced in 2019 by Winchester and was designed for deer hunting. lengths. (Assembled or Unassembled) B. With similar powder the bullet will not travel as far, and therefore has less of a danger of hitting the neighbors farmhouse should a shot be missed. This typically isnt a problem in heavily forested or mountainous areas of the country, as the round will penetrate either vegetation or a hillside. Btw, for those contemplating hunting in the fall, the time to get your gear in order is now, not when it's sold out. The store will not work correctly in the case when cookies are disabled. Home Default Category AR 308 & AR 15 parts AR 15 Parts Upper Parts Barrels 18 350 Legend AR-15 Barrel. Reply HELP for help and STOP to cancel. Join Date: April 20, 2009. Buy DURAMAG AR-15 DuraMag SS 350 Legend Magazine 20 Rounds - Black: GunBroker is the largest seller of Rifle Magazines & Rifle Clips Rifle Parts Gun Parts All: 974005385 All Rights Reserved. My cat thinks licking his asshole is fun, he's obviously not too bright so I'm not too concerned about what his opinion on gun control is.~AIMLESS. Additionally, .350 Legend cartridges use a 5.56/.223 bolt carrier group (BCG), which is often referred to as the typical AR-15 round. What special parts do I need to build a .350 Legend AR-15? Filter Sort AT3 ( 9 ) AT3 1/2 Inch Crush Washer for .223/5.56 Muzzle Devices Compatible with AR 15 Only $ 1.99 View Product New GrovTec AR-15 Crush Washer 5 Pack - 1/2 Inch Problems or Complaints with B .King's Firearms, Training and Retail LLC Privacy Policy: If you have a concern or complaint about B .King's Firearms, Training and Retail LLC compliance with this privacy policy, please direct it to [emailprotected]. .350 Legend AR-15 Accessories (8 Products) Sort By: Aero Precision M4E1 Threaded 20" .350 Legend Carbine Length Complete Upper Receiver with 16.6" ATLAS R-ONE Handguard - Anodized Black - APAR700106M100 Your Price: $549.99 In stock (Only 2 left!) Max B. June 2, 2021. Our site logs do generate certain kinds of non-identifying site usage data, such as the number of hits and visits to our sites. For the best experience on our site, be sure to turn on Javascript in your browser. *Due to the current unprecedented demand for our firearms, some components may be substituted in order to complete your firearm in a more timely manner. Military and Law Enforcement take 10% off store-wide with our discount program. Due to slight variations in all parts and/or custom option deviations, we cannot guarantee the weight to be 100% specific on any firearm. that can help with your build or purchase. It has the power to take down hog, deer, and coyote at those closer ranges, or it makes for a strong option for home defense when you're . WE DO NOT SHIP TO PO BOXES. Quote History. This kit includes: 16 350 Legend Barrel (4150 CMV or 416R stainless, twist may vary) 10-15 Free-Float Handguard (depending on availability) . One new winner* is announced every week! *Flat Rate Shipping $20.00 We accept Visa, MasterCard, Discover, and American Express. Certain states such as but not limited to Michigan, Ohio, Iowa, and Indiana require straight-walled cartridges for hunting specific types of game including white-tailed deer. See. Who cares what she thinks? Shop Other Accessories. Davidson Defense "Bulletstorm" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 15" M-Lok Handguard (Assembled or Unassembled) MSRP: $514.99 $249.99 In Stock Select Options Davidson Defense "Deus Ex" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 12" M-Lok Handguard (Assembled or Unassembled) 17" M-Lok Lakota Ops Freefloat Handguard. My daughter pretty much took ownership of it last fall.I'd like to pick up another for myself. We are Type 07 and 08 FFL, manufacturer and importer of firearms, except destructive devices. Offering high velocity and low recoil, the 350 Legend is easy to shoot. One is the defense of our homes and the other is the Bill of Rights. Savage AXIS Pro Trigger Job Upgrade Kit - M*CARBO. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer, Battle Arms Development AR-15 Mil-Spec Bolt Carrier Group - Black Nitride, Sons of Liberty Gun Works 5.56 Bolt Carrier Group 158 Carpenter SP/HPT/MPI, Faxon Firearms AR-15 5.56/.223/300 BLK/.350 Legend M16 Bolt Carrier Group - Nitride, 3 Gun Labs Inc. AR-15 LMB Low Mass Aluminum 5.56 Nato .223 Rem 300 BLK OUT (BCG) Bolt Carrier Group **Very Durable Plasma Finish- Gold**, Battle Arms Development AR-15/M16 Full Auto BCG - 5.56/.223/.300/.350, Delta Deals Hogue AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350, Delta Deals Mission First Tactical AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350, Delta Deals UTG Pro AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350, Delta Deals Adaptive Tactical AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350, Delta Deals AR-15 SOPMOD Stock Finish Your Rifle Kit - 5.56/.223/.300/.350, Mercury Precision AR-15 PVD Rainbow Finish, M16, 5.56/.223, 9310 Bolt, Machined Extractor BCG, Davidson Defense "Bulletstorm" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 15" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Deus Ex" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 12" M-Lok Handguard (Assembled or Unassembled), CMMG Magazine, AR-15, .350 Legend, 20rd Magazine. The first thing is using a dedicated .350 Legend magazine. However, most, are designed to accommodate a .308 diameter projectile. *Must have a registered ARFCOM account to win. Choke Tubes and Accessories. This information is used for internal purposes by technical support staff to provide better services to the public and may also be provided to others, but again, the statistics contain no personal information and cannot be used to gather such information. February 20, 2023, 03:59 PM #2: GeauxTide. Protector Elite Carbine. Get your AR-15 rifles from BCA today and save! We have 223, 556, 224, 450 Bushmaster & more at various lengths. Drop an incredible complete 350 Legend upper on your mil-spec AR-15 and begin hunting for deer and other medium-sized game today! At certain points where personal information is collected on our site, there may be a box where you may indicate you would like to be on a mailing list to receive information about B .King's Firearms, Training and Retail LLCother programs and services and articles of interest relating to firearms, shooting, or general products. Sign up to our newsletter and sales Flyer!!! My wife's Winchester XPR doesn't have this issue. JavaScript seems to be disabled in your browser. BodyKits.com offers the lowest prices on the highest quality import and domestic custom car parts found on the market today. AR-15 Full Build Kits - $399.99 and Under, Davidson Defense 'Eskyl' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Hexlite Hunter' 16" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense 'Lunar Jetman' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Aviere' 16" AR-15 .350 Legend NIT Upper Build Kit, Davidson Defense 'Aviere' 16" AR-15 .350 Legend NIT Full Build Kit, Davidson Defense 'Orange' 18" AR-15 .350 Legend NIT Upper Build Kit, Davidson Defense 'Lunar Jetman' 18" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense 'Lunar Jetman' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build, Davidson Defense 'Wendigo' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Super350' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Wendigo' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit, Davidson Defense 'Wendigo' 18" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense 'Super350' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit, Davidson Defense 'Super350' 18" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Kismet' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit, Davidson Defense 'Orange' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build, Davidson Defense 'Split' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build, Davidson Defense 'Bluegrass' 16" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Bluegrass' 16" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit, Davidson Defense 'Bluegrass' 16" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense 'Hexlite Hunter' 16" AR-15 .350 Legend Nitride Rifle Complete Upper Build, Davidson Defense 'Hexlite Hunter' 16" AR-15 .350 Legend Nitride Rifle Full Build Kit, Davidson Defense 'Eskyl' 18" AR-15 .350 Legend Nitride Rifle Complete Upper Build Kit, Davidson Defense 'Eskyl' 18" AR-15 .350 Legend Nitride Rifle Upper Build Kit, Davidson Defense "Bulletstorm" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 15" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Deus Ex" AR-15 Upper Receiver 16" .350 Legend 4150 CMV QPQ Nitride 1-16T Barrel 12" M-Lok Handguard (Assembled or Unassembled). 350 Legend | Magazines, Uppers, Scopes, Ammo, and More! By subscribing to Bear Creek Arsenal (BCA) text messaging on 87462, you agree to receive recurring autodialed marketing text msgs (e.g. Builders of AR-15 adopted this round in the early days of barrels becoming available due to its compatibility with other parts and the cost to build out an AR-15 to use as a hunting rifle is a fraction compared to buying a new bolt-action gun off the shelf. 10 Round .350 Legend Big Bore Magazine This Stainless Steel 10-Round Magazine for .350 Legend is an AR-15 pattern magazine that CMMG trusts for reliable feeding in . . Toggle navigation. I went with a Ruger American Ranch. Still probably will get an upper though I love this rifle. Ive heard complaints about reliability in ARs with 350L. Hunt with your AR-15 complete 350 Legend upper from BCA and experience high performance backed by a limited lifetime warranty. 10mm barrels, uppers and parts! Huge Selection of AR15 Uppers, AR15 Parts, Ammunition, Handguns, Rifles, Shotguns and Shooting Accessories at Great Low Prices . Ships out in 2 days on all Non-FFL items, 6 days for FFL items. Overall Length: 33.25". In . The owner of BKF, Blake King, spent years deployed in the Middle East during his service in the United States Marine Corps. Nov 2, 2021. What follows is the online privacy policy of B .King's Firearms, Training and Retail LLC, which governs personal information gathered on its Internet site, www.bkingsfirearms.com, in general and other registration forms related to training classes and store purchased offered by B .King's Firearms, Training and Retail LLC, as may be included on our Internet site, specifically. Please confirm the MFG part number and UPC matches you are looking for. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. For the best experience on our site, be sure to turn on Javascript in your browser. I'm not sure what to tell you. Free access to all owner's manuals can be found in the information tab located in the navigation menu above. Aside from a dedicated magazine, there are no alterations needed to an AR-15 built-out lower receiver to mechanically make the .350 Legend function correctly (please check legal parameters of rifle/pistol laws to make sure you are in compliance with those). Great Lakes Firearms AR-15 Rifle, .350 Legend, 16" 4150 Nitride Barrel, 15.25" M-LOK Rail, 6 Position M4 Stock, Black Cerakote Finish- GL15350 WHT16 . ALL CHECKS AND MONEY ORDERS ARE HELD UNTIL THEY CLEAR OUR INSTITUTION (Typically 10 days) We are enrolled in the California CFLC system California sales require an additional $50 S/H fee. We have a full line of 10mm pistols, uppers, barrels and parts! B .King's Firearms, Training and Retail LLCmay, however, release personal information under the following circumstances: Where release is required by law (for example, a subpoena) or regulation or is requested by a government agency; Where our records indicate an individual may be engaged in fraudulent activity or other deceptive practices that a governmental agency should be made aware of; To appropriate persons, where your communication suggests possible harm to others. So for less than $250 (not including optic), your existing AR-15 can be transformed into an amazing white-tailed deer hunting rifle. Personal information that B .King's Firearms, Training and Retail LLC may collect online: B .King's Firearms, Training and Retail LLC collects personal information online, including, but not limited to, names, birth dates, drivers license (or State issued identification) numbers, postal and e-mail addresses, phone numbers, and billing information. I have taken 2 deer with it. What are the advantages of a straight-walled cartridge? 18 350 Legend AR-15 Barrel $ 100.00. Complete Upper Build. Barrels are available in 16- and 20-inch overall lengths and are outfitted with carbine-length gas systems. As a result, they ran into insufficient back pressure to cycle the bolt, so it is highly advised to purchase a .350 Legend barrel in either Carbine Gas or Pistol Gas lengths. Build Your Own Custom Pistol For $299 Or Less! Davidson Defense "Split" AR-15 Rifle. War for any other reason is simply a racket." Typical rifle caliber rounds are necked down or have a bottleneck this is where the casing of the cartridge case tapers down and the projectile or bullet has a smaller outer diameter than the casing itself. Consent is not a condition of purchase. The store will not work correctly in the case when cookies are disabled. March 3, 2023. Sign up for our newsletter for exclusive promotions and a coupon for 10% off an order! Remember me, Daniel Defense MK18 RIS II Complete Upper - 10.3", Criterion 14.5 Core Series Chrome Lined 223 Wylde Barrel Mid Length Gas, Criterion 14.5 SBR Ultralight Chrome Lined 223 Wylde Barrel Mid Length Gas, Cloud Defensive Full Size MCH - 18650 - Programmable, Raidworx RSR (Reddot Storage Riser) Picatinny Optic Riser, Raidworx RSR (Reddot Storage Riser) Micro Mount, Criterion 10.5 SBR Hybrid Chrome Lined 223 Wylde Barrel Carbine Gas, Criterion 10.5 SBR Ultralight Chrome Lined 223 Wylde Barrel Carbine Gas, Aimpoint 3X-C Magnifier w/ Twist Mount, Base and Spacer, Geissele Super Duty Complete Upper Receiver Group 10.3, Unity Tactical FAST Flip-to-Center OMNI Magnifier Mount, Scalarworks LEAP/08 30mm Ultra Light-QD Scope Mount, Badger Ordnance Condition One 34mm Scope Mount 1.70, Ballistic Advantage 16 5.56 Modern Series Barrel Gov Profile, Mid Length Gas, Cloud Defensive Full Size MCH 18650 Programmable, Daniel Defense MK18 RIS II Complete Upper 10.3. AR-15 Upper Receiver Parts. The second main consideration is the muzzle device. Whether you're looking for car, truck, and SUV full body kits or individual exterior upgrades such as ground effects, fiberglass fenders, carbon fiber hoods & trunks, and more, you'll find the widest selection of auto . Purchase worry free. A solution that has been developed is the straight-walled cartridge pushing a larger bullet downrange. By the way have 90% of the AR parts already. 10 MM.224 VALKYRIE.243 Win.350 Legend.357 Sig; 300 AAC . I ended up going through the same exact scenario last summerI had an extra lower assembled and not being used so I opted for the AR upper.shoots great and I couldn't be happier. Magazine Parts. There have been tales of guys using their existing AR-15 magazines but this round was designed to run in a dedicated magazine. BC-15 | .350 Legend Right Side Charging Upper | 20" 416R SS Heavy Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK 29 Reviews $334.99 Add to Cart BC-15 | .223/5.56 NATO/300 Blackout/350 Legend Left Handed Side Charging Gen 2 Upper Receiver/BCG Combo 4 Reviews $119.99 Add to Cart As a result, several manufacturers made their .350 Legend barrels in, lengths. Filter Sort New GrovTec AR-15 Crush Washer 5 Pack - 1/2 Inch Only $ 12.94 View Product For the best experience on our site, be sure to turn on Javascript in your browser. Each CMMG 350 Legend AR-15 magazine are made with a stainless-steel body treated with an all . Physical, electronic and managerial procedures have been employed to safeguard the security and integrity of all personal information. Weight Empty: 6 lbs 8 oz. | Free Shipping Available! The .350 Legend is a straight-walled cartridge, which is compliant with certain states hunting regulations that mandate straight-walled cartridges be used. .350 Legend muzzle devices are typically threaded for 1/228 barrels, but have 9mm equivalent bores. Msg frequency may vary. We have a selection of. SAVE NOW! Build Your Own Custom Pistol For $299 Or Less! To ensure safety you will need to check the bore diameter of the muzzle device to make sure it is compatible with the larger diameter of the .350 Legend round. Tack driver. It is a great shooting setup. I absolutely love these guys. To ensure safety you will need to check the bore diameter of the muzzle device to make sure it is compatible with the larger diameter of the .350 Legend round. Bear Creek Arsenal is utter dogshit and Ive personally seen that harsh opinion borne out by reality half a dozen times now. In so doing a round was developed that also happens to be very good for deer hunting. Leave me alone. 350 Legend Barrels 4 Results. Location: Helena, AL. Aside from a dedicated magazine, there are no alterations needed to an AR-15 built-out lower receiver to mechanically make the .350 Legend function correctly (please check legal parameters of rifle/pistol laws to make sure you are in compliance with those). We offer free shipping on all products, no minimum. This will dramatically improve the reliability and performance of these barrels. It is not recommended for elk as it lacks the energy needed to take down an animal of that size, so it would likely wound an elk and not kill it, which is unethical. Purchase Now Ruger 90695 OEM Blued Detachable 10rd for 350 Legend Ruger AR-556, American Rifle Ranch 13 Reviews See. Check your rifle for compatibility! Dont like it? Magazine Holders. SAINT Victor AR-15 Rifles. Msg & data rates may apply. cart reminders) to the mobile number used at opt-in. Stock and Forend Parts. Rifles. Any use of this content without express written consent is prohibited. Originally designed to meet the requirements to hunt in Midwest states. Senior Member . Sign In; Register . Please consult, AR-10 .243 Win 20" Stainless Steel Rifle Kit / 15" Mlok / Adaptive Stock, Winchester White Box 350 Legend 145 Grain Full Metal Jacket /Box of 20, Firearms - Frequently Asked Questions - firearms technology | atf, Moriarti Armaments LLC, All rights reserved worldwide. If you are in the market for a .350 Legend barrel something to consider is when the ammunition specs were first released the specs suggested the ammunition was going to be more powerful than it ended up being. Orders are shipped within 3-5 business days after receiving payment and FFL. For the best experience on our site, be sure to turn on Javascript in your browser. 6.5G. 350 Legend for the AR-15 Platform. You have 7 days from when the product is delivered to your door or picked up from your FFL to report any defects or problems to us. However, most 5/8x24 muzzles are designed to accommodate a .308 diameter projectile. The .350 Legend DURAMAG SS is an AR-15 pattern magazine designed for serious shooters who require the most out of their magazines. Our 350 Legend rifles, uppers, and barrels are all manufactured right here in North Carolina and built for high accuracy, performance, and durability. IF experiencing a PANDEMIC or national Disaster there may be delays in shipping. Deals Den The .350 Legend is a straight-walled cartridge, which is compliant with certain states hunting regulations that mandate straight-walled cartridges be used. In this category you'll find 4 different build kit options perfect for your next DIY AR-15 Build in .350 Legend. Do you have time to play with different buffer weights and ammo combinations? Copyright 2022 Bear Creek Arsenal, LLC. With an effective range of around 200 yards, this legendary caliber in an AR platform allows for faster follow up shots compared to bolt action rifles making builds chambered in 350 Legend much more popular among deer hunters. CMMG AR-15 350 Legend AR15 10rd Magazine CMMG 350 Legend, 5rd magazine is designed to be used with .350 Legend ammunition in a standard AR15 . I went DIY with a Wilson Combat 350L barrel 1-15 twist. per page . All Rights Reserved. And be sure to check out our wide selection of 350 Legend barrels to customize your build even further! Sign up for texts to enjoy a 10% off coupon for use on a future order while also getting exclusive updates and more! Check your rifle for compatibility! SAINT Edge AR-15 Rifles. AR-15 Parts. Premier components for quick-handling, improved accuracy, and performance comparable to custom AR builds costing much more. Purchase Now The heart of every PROTECTOR is our Wilson Combat Match-Grade precision button rifled barrel-renowned in the firearms community as one of the most accurate AR barrels on the market that is mated to a Black Nitride treated Mil-Spec bolt carrier group with MPI inspected Carpenter 158 bolt for impressible long-term reliability. ), your existing AR-15 can be transformed into an amazing white-tailed deer hunting rifle. .350 Legend Muzzle Devices for AR-15 .350 Legend muzzle devices are typically threaded for 1/228 barrels, but have 9mm equivalent bores. All Rights Reserved. October 17, 2022. Sign up for our newsletter for exclusive promotions and a coupon for 10% off an order! AR .357 Sig; AR-10MM; AR-40 S&W; AR-45 ACP; AR-9MM; Dress Up Your AR; Colors; Firearms. Buy CMMG AR-15 350 Legend 10rd Magazine: GunBroker is the largest seller of Rifle Magazines & Rifle Clips Rifle Parts Gun Parts All: 973490022. Sort By: 4 Item(s) Show. 350 Legend is a straight-walled hunting cartridge capable of harvesting medium size game like deer and mountain lions while removing uncomfortable hammering to your shoulder like other popular hunting calibers. The .350 Legend barrels are typically threaded in 5/8x24. Get the axis. When I'm looking for a modern gun part or accessory, I come to Milspec Retail first. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Shop Magazines Copyright var date = new Date(); document.write(date.getFullYear()) Delta Team Tactical. Item's that are not 100%same condition will be reviewed by the Owner for refund % if we accept the return. Some isnt. .350 Legend Right Side Charging Rifle | 20" Parkerized Heavy Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK . If concerned, ask before, Antique (Pre-1899) Rifles - Flintlock Misc, Antique (Pre-1899) Rifles - Matchlock/Wheellock Misc, Century Arms International (CAI) - Rifles, Muzzleloading Modern & Replica Rifles (perc), Winchester Rifles - Modern Bolt/Auto/Single, Winchester Rifles - Pre-1899 Bolt/Single Shot, Century Arms International (CAI) - Pistols, Colt Automatic Pistols (.25, .32, & .380 cal), Colt Single Action Revolvers - Modern (22 Cal. What Game can you hunt with a .350 Legend? The VIP lounge of gun parts and firearm accessories. I bought my kids a .350L CVA Scout. The .350 Legend barrels are typically threaded in 5/8x24. Filter by . All Rights Reserved. Re-using crush washers can lead Grovtec 1/2 Inch Crush Washers Grovtec's 1/2 inch crush washers come in handy when you're experimenting with different muzzle devices. The .350 Legend round has become a popular caliber in the. These turned crush washers fit onto the muzzles of 1/2x28 AT3 1/2 Inch Crush Washer for .223/5.56 Muzzle Devices Compatible with AR 15, GrovTec AR-15 Crush Washer 5 Pack 1/2 Inch. Copyright 1996-2023 AR15.COM LLC. However, many people wish to have a dedicated AR-15 in .350 Legend. CMMG led the way in AR-based innovation surrounding the hot, new 350 Legend cartridge designed for the AR-15, and that led the company to develop the first magazines on the market designed to reliably feed the new round in any standard AR-15 magwell.