6mm max cartridge

Well, that would limit most hunting rifles to between 150 and 400-yards. But wait, there’s more. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. If you want to max things out, you need a bullet that will expand at lower velocities.

The information displayed on this site, including reloading and ballistics data, was derived from testing at the Energetic Materials Research and Testing Center in their Ballistics Science Laboratory, Socorro, NM. Testing was performed with a range of bullet weights and propellant with the 6 mm MAX TM cartridge in order to establish SAAMI ...The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is … Firearm cartridges. 7 mm ». This is a list of firearm cartridges which have bullets of a caliber between 6 millimetres (0.236 in) and 6.99 millimetres (0.275 in). Length refers to the cartridge case length. OAL refers to the overall length of the cartridge. Measurements are in millimeters then inches, i.e. mm (in) . Jul 22, 2018. 907. 897. Mar 13, 2020. #1. I hadn't seen this posted here yet, but SAAMI added a 6mm Grendel derivative called the 6mm Advanced Rifle Cartridge or 6mm ARC to their newly accepted cartridges list. 6mm ARC introduction pdf. The case looks like the shoulder has been moved back, and the neck is a little shorter as compared to a ...The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is …The ability to run heavies at 3250fps or lightweights at 4400fps might just make this the most versatile 6mm on the planet. By the way, if you ask me about b...

Peak V02 max refers to the highest value of V02 attained on a particular exercise test. Max V02 refers to the highest value of V02 that is deemed attainable by an individual. Despi...One of our best finds at SHOT Show 24 was the 6mm Max cartridge! This round is something else, and in this video we interview Brian Cook, the creator of the ...SPG1 Tactical. 3.24K subscribers. Subscribed. 217. 6.7K views 2 months ago. One of our best finds at SHOT Show 24 was the 6mm Max cartridge! This round is something …Well, that would limit most hunting rifles to between 150 and 400-yards. But wait, there’s more. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. If you want to max things out, you need a bullet that will expand at lower velocities.The 6mm MAX is pressure tested to SAAMI standards of 55k psi. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full mass bolt carrier group. The 6mm MAX holds 35 grains of water capacity which ultimately determines the energy potential of the cartridge. In this case, 1750+Lbs of energy.HP ink cartridges are an essential component of any HP printer. Whether you’re a seasoned printer user or a beginner, knowing how to install these ink cartridges correctly is cruci...The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). 223/5.56. The 6mm ARC achieves substantially better ballistics than the 223/5.56. It delivers less drop, less wind deflection and the ability to shoot accurate groups at much greater distance (1000+ yds). 224 Valkyrie.The iPhone 11 Pro Max does not exactly roll off the tongue. At its annual iPhone launch event in Cupertino, California, today (Sept. 10) Apple unveiled its usual spate of new gadge...

Are you an avid gamer looking to take your gaming experience to the next level? Look no further than Free Fire Max for PC. Developed by Garena, Free Fire Max is the enhanced versio...The 6mm MAX is pressure tested to SAAMI standards of 55k psi. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full mass bolt carrier group. The 6mm MAX holds 35 grains of water capacity which ultimately determines the energy potential of the cartridge. In this case, 1750+Lbs of energy.Jun 3, 2020 · The 6mm ARC was designed around optimal use with a 108-grain bullet. In addition to making the cartridge useable with long, heavy-for-caliber bullets, Hornady also set maximum chamber pressure low at 52,000 pounds per square inch. This slows extraction and makes it much less violent, prolonging the bolt’s life. The 6mm MAX has unlocked the code on the .378 bolt face AR-15 cartridge. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full mass bolt carrier group. The 6mm MAX is pressure tested to SAAMI standards of 55k psi.As mentioned earlier, it offers a slight ballistic advantage over its Winchester rival. Remington chose the 7×57 Mauser cartridge as the parent case for its 6mm offering, which gives it a slightly greater powder capacity than the .308 based .243. It also provides a slightly longer cartridge neck, which most handloaders prefer, including this one.The Answer: 6mm Advanced Rifle Cartridge. After much R&D, Hornady’s engineers and staff produced the 6mm ARC (Advanced Rifle Cartridge), a short, fat, PPC-looking round that’s very deceiving ...

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Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 474,393.The .224 Valkyrie is the only factory-supported .22-caliber cartridge designed around VLD bullets. If a rifleman wants to be able to shoot long distances with absolute minimum recoil, this is the cartridge. The 90-grain Matchking bullet has a G1 ballistic coefficient (BC) of .563, and the 80.5- grain Berger has a G1 BC of .441.The 6mm MAX is not a competitive F-Open cartridge by any stretch of the imagination, but I wanted to see an actual real world test of accuracy in the hot south Texas switching winds at 500 yards. I used a 24” Bartlein barreled hunting rig. This is the same bolt rifle pictured on this web site. It has 2600 rounds of testing down range, and is ...Does it make a difference that 6mm Max uses standard AR15 bolts? Parent cartridge is 350 Legend. Seems pretty legit to me; all the performance charts show chamber pressures at or below 54k PSI. ETA: The video does mention that 6mm Max is going through SAAMI testing right now. Using the 5.56 bolt is a bonus, to what end, however?6mm .243 58 gr V-MAX®. With its combination of proven materials, innovative design and streamlined profile, the Hornady ® V-MAX ® represents the pinnacle of what a specialized varmint bullet can achieve, offering straight-line trajectories, enhanced accuracy, dramatic expansion and explosive fragmentation at a wide range of distances and ...Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 474,385.

Peak V02 max refers to the highest value of V02 attained on a particular exercise test. Max V02 refers to the highest value of V02 that is deemed attainable by an individual. Despi...The 6BRA is another cartridge quickly growing in popularity that is a wildcat based on the 6mm Norma BR case. Like the 6BRX, there were 11 shooters using this cartridge, including two in the top 10 in the PRS. The 6BRA is basically a 6mm BR Ackley Improved (nicknamed 6BRA for short), which means the shoulder was changed from 30° …12 Nov 2017 ... No foxes here but given it's under light, you'd be shooting at maybe 250yds max? If that's the case, a 6BR would be fine. You'd be talking a .....The 6mm MAX is pressure tested to SAAMI standards of 55k psi. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full mass bolt carrier group. The 6mm MAX holds 35 grains of water capacity which ultimately determines the energy potential of the cartridge. In this case, 1750+Lbs of energy.The 6mm MAX AR Cartridge is an impressive addition to the Sons Of Liberty Gunworks portfolio. Boasting the power to handle up to 55k psi chamber pressures, the virile cartridge yields a compelling 1750lbs of energy. Impressively capable, it maintains being supersonic past 1000 yards on a standard AR platform, a milestone for the industry.The 6mm Creedmoor is a ballistically talented. cartridge offering long range precision and. wind-bucking abilities. Patrick used a Ruger. Precision Rifle chambered in 6mm CM to. snipe this Montana prairie dog at 564 yards in a. moderate breeze. The 6.5 Creedmoor (CM), created from a .30 Thompson/Center parent case, was released in 2008. The 6mm ARC has a standard muzzle velocity of just over 2,700 fps and a pretty flat trajectory for long-range shots. Of course, all of this varies depending on the ammo you’re shooting, but we can also easily compare it to the more popular 6.5 Grendel. The 6mm ARC and 6.5 Grendel are very similar calibers. Both are comparable in overall ... When it comes to choosing a real estate agency, there are numerous options available in the market. However, one name that often stands out is RE/MAX. With its extensive network of...Sep 21, 2019. #1. Hi everyone, I was wondering if any of you can provide advice/experience on a good 6mm AR15 cartridge. I plan on building a competition upper with a 18"-20" barrel for my lightweight AR15 which I use for 3 gunning. In terms of usage requirements in order of priority: 1) can be reliably loaded in normal AR15 magazines up to 10 ...Cartridges like 6mm Creedmoor and 6×47 Lapua offer much of the ballistic performance compared with 6.5mm cartridges, but with much less recoil. 6mm Creedmoor in particular is very popular, but barrel life is not so good (can be as little as 800 rounds) and recoil could be improved. ... 2.505” max cartridge overall length (COAL) with binder ...

I think we will see this cartridge go mainstream in PRS/NRL-style competition in 2020.”. — Vu Pham. The new 6GT Cartridge Was Tested in Three (3) Tactical Rifles: Rifle 1: Vu’s 6GT 1.0. Builder: GA Precision. Action: Left Hand GAP Templar (large firing pin) Barrel: Bartlein 7.7 Twist finished at 26″ with a 419 Hellfire Brake.

The 6.5mm Creedmoor (6.5×48mm), designated 6.5 Creedmoor by SAAMI, 6.5 Creedmoor by the C.I.P. or 6.5 CM or 6.5 CRDMR for short, is a centerfire rifle cartridge introduced by Hornady in 2007. It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at …Factory Ammunition. Remington now list only one load for the .244/6mm, the 100 grain Core-Lokt at an advertised 3100fps for a realistic 3030fps in 22” barrels. This load is not suitable for the twist rate of the original .244 rifles, suited only to rifles stamped 6mm Remington or custom rifles with the appropriate twist rate.The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. Yes it is designed to run in AR15-platform rifles. You’ll need a new barrel, bolt, and mags. If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel.Tested, selected and fielded by a specialized group within the U.S. DoD for its multipurpose combat rifle program, the versatile 6mm ARC does much of what larger cartridges can …What the 6mm MAX is, is essentially the 6mm ARC with platform reliability. The biggest difference that you are going to find is the parent case. It is based on .350 …Well, that would limit most hunting rifles to between 150 and 400-yards. But wait, there’s more. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. If you want to max things out, you need a bullet that will expand at lower velocities.The 6mm MAX is pressure tested to SAAMI standards of 55k psi. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full mass bolt carrier group. The 6mm MAX holds 35 grains of water capacity which ultimately determines the energy potential of the cartridge.

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The first major difference is the case length with the 6mm Rem being the longer of the two. The 243 has a case length of 2.045” while the 6mm Rem measures 2.233” long. This trend continues with overall length as the 243 has a maximum overall length of 2.7098” compared to 2.825” for the 6mm round. Are you a TV and movie enthusiast looking for your next streaming service? Look no further than HBO Max. With a vast library of content ranging from classic movies to original seri...The dosage of Mucinex Fast-Max for adults and children over age 12 is 20 milliliters of liquid or two caplets every four hours, according to the Mucinex website. Children under the...Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 474,393.When it comes to selling or buying a property, one of the most important considerations is the realtor commission rates. For those looking to work with RE/MAX realtors, understandi...The 6mm Creedmoor is a short action cartridge. Its case holds 50 grains of water, compared to 54 grains of water for the .243 Winchester and 47 grains for the 6mm Lapua. The rim diameter is the usual .473". The case head diameter is .470" and the body diameter behind the shoulder is .462", so there is very little body taper to ease extraction.The HSM 6mm-ARC V-MAX 75 Grain is a testament to innovation in ammunition technology. The 6mm Advanced Rifle Cartridge is renowned for its outstanding long-range capabilities, making it a favorite among precision shooters. The 75 Grain V-MAX bullet is engineered for accuracy, boasting a polymer tip and streamlined design that ensures flat ...Jul 22, 2018. 907. 897. Mar 13, 2020. #1. I hadn't seen this posted here yet, but SAAMI added a 6mm Grendel derivative called the 6mm Advanced Rifle Cartridge or 6mm ARC to their newly accepted cartridges list. 6mm ARC introduction pdf. The case looks like the shoulder has been moved back, and the neck is a little shorter as compared to a ...Sherman Max is a new case design that offers more capacity and performance than the standard SAUM case for the 6mm and 6.5mm cartridges. It is ideal for medium length …6mm dasher maximum cartridge / minimum chamber unless otherwise noted all diameters -.008 cartridge noted: b = basic = reference dimension = headspace dimension * dimensions are to intersections of lines ... title: 6mm dasher author: ptrsn\zachary.aaron (zach-desktop) created date: 9/1/2021 1:37:33 pm ... ….

The 6mm ARC also performs better in wind. In a 10-mph crosswind the 6mm ARC 108-grain bullet drifts 10.9 inches at 400 yards. The .223 75-grain bullet, by contrast, drifts more than 15 inches at that range, and the ARC’s advantage becomes more pronounced at longer ranges. The .223 does have advantages, though.The cartridge is also known as the 6mm-223 Remington or 6mm/223. History. Soon after the release of the .223 Remington as a commercial cartridge, shooters began experimenting with the cartridge in an attempt to improve its performance. Several of these experimenters necked up the .223 Remington to 6mm as the .243 inches (6.17 mm) …Sep 17, 2023 · The main thing I like about the 6mm Max for a military consideration is the compactness of the cartridge stack, while still bringing 8-10grs more powder under 65-75gr bullet weights when compared with the 5.56x45. The 6mm Creedmoor is a short action cartridge. Its case holds 50 grains of water, compared to 54 grains of water for the .243 Winchester and 47 grains for the 6mm Lapua. The rim diameter is the usual .473". The case head diameter is .470" and the body diameter behind the shoulder is .462", so there is very little body taper to ease extraction. The 6×45mm is a rimless, bottlenecked cartridge based on the .223 Remington or 5.56 NATO cartridge necked up to .243 (6mm). The cartridge is also known as the 6mm-223 Remington or 6mm/223 . History [ edit ] 6mm PPC Cartridge Guide. Developed by Louis Palmisano and Ferris Pindell (left and right in photo), the 6PPC is the “King of the Hill” in short-range benchrest competition, the most accurate cartridge ever invented. It completely dominates 100- and 200-yard Group BR Shooting. If you want to win in that game, you pretty much have to shoot a ...Sent from my SM-G970U using Tapatalk. If 6mm MAX brings 6ARC type performance to a rifle using a 5.56 bolt, that's a pretty big deal. I've been shooting and loading 6.5 Grendel for nearly 20 years and 6mm MAX has my attention in a way 6ARC never did. Scout Rider for the Mongol Hordes.1.13K subscribers. 14K views 6 months ago. ...more. We have a look at the new Sons of Liberty Gun Works receivers chambered in 6mm MAX! 2A Fulfillment Pro …In general, cartridges under 2.8″ in overall length are considered short action. Cartridges between 2.8″ and 3.6″ are long action, and cartridges over 3.6″ require a magnum action. However, there are many exceptions such as the 6.5 PRC, which is considered a short-action cartridge despite its 2.955″ length. The problem with that ...The 6mm GT is a fairly new cartridge without much load data in the major loading manuals; however, the cartridge designers, George Gardner of GA Precision and Tom Jacobs of Vapor Trail Bullets, have published a loading formula, which is a great place to start. Taken straight from GA Precision's website. Efficient Case Design: Optimized … 6mm max cartridge, The 6mm MAX is pressure tested to SAAMI standards of 55k psi. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt face, and a full …, 24 Dec 2008 ... Well, it's not always about wringing the absolute maximum velocity out of a particular bullet, for one thing. If that's what you enjoy, have at ..., The 6mm ARC has a standard muzzle velocity of just over 2,700 fps and a pretty flat trajectory for long-range shots. Of course, all of this varies depending on the ammo you’re shooting, but we can also easily compare it to the more popular 6.5 Grendel. The 6mm ARC and 6.5 Grendel are very similar calibers. Both are comparable in overall ... , The 6mm ARC was designed around optimal use with a 108-grain bullet. In addition to making the cartridge useable with long, heavy-for-caliber bullets, Hornady also set maximum chamber pressure low at 52,000 pounds per square inch. This slows extraction and makes it much less violent, prolonging the bolt’s life., The first commercial 6mm was the Lee-Navy of 1895 (left), but it was not very successful. Today's crop of 6mms consists of (l. to r.): .240 Weatherby, 6mm Remington, .243 Winchester and .243 WSSM. To make a long story short, the .243 Winchester went on to become an extremely successful cartridge while the .244 languished., This limited the cartridge’s ability to stabilize longer, heavier bullets. In 1963 Remington renamed the .244 Rem. the 6 mm Rem. and introduced it in the new Model 700 bolt-action rifle with a 1-in-9-inch twist rate. With 85- to 100-grain bullets, the .243 Win. is an excellent whitetail cartridge., The .240 Weatherbycase has minimum taper and holds 65 grains of water while its .243 counterparts, the .243 Winchester and 6mm Remington, hold considerably less – 54 and 55 grains respectively. While this 6-mm sizzler registers high velocities, .243 bullets are not heavy and hence recoil is light making the rifle a real pleasure to shoot., 60. 6mm ARC Ammo Up to 22% Off from Hornady, HSM Ammunition, Ammo, Inc. everyday on 10 Products at OpticsPlanet.com., While designed for gas rifles, like the AR-15, 6mm ARC has quickly been adopted by shooters as a bolt-action cartridge also. Other 6mm cartridges are super popular with long-range bolt rifle shooters, such as 6 GT, 6 BRA, 6 XC, 6 BR, and 6 Creedmoor. 6mm ARC is another in that same vain of low-recoil 6mm cartridges that perform amazingly well ..., They are available from most vendors in diameters from 1/8 inch to 1 inch and length from 1 inch to > 3 feet. A first choice for OEM’s that need high power density/temp. inside a small envelope. Backer Hotwatt manufactures a wide range of Cartridge heaters for a variety of applications. The size, sheath, leads, terminals, wattage and voltage ..., Javascript is required. Please enable javascript before you are allowed to see this page., 90gr ELD-M 6mm Max (source: Precision Ballistics Reload Data) 24” Bartlein test barrel H4895 27.0gr 2819fps 53,536psi CFE223 30.5gr 2944fps 53,000psi ... The demos where they are getting 20” 5.56 velocity out of a 10.5” 6mm Max kinda sells the cartridge for military applications, although there was pretty insane flame emanating …, 50 Rnd Box-6mm Max 85gr Speer BTSP. $75.00. 50 Rnd Box-6mm Max 85gr Speer BTSP BC Precision Ballistics. $75.00 Loading. 6mm Max Brass. $75.00 6mm Max Brass ..., Modern inkjet printers offer high print quality while still providing fast print times. But an inkjet printer is only as good as the ink cartridges inside, and when one or more of ..., 6mm GT — New Cartridge with Multi-Discipline Potential. Story by Mike McCasland, Texas Precision. The 6mm GT began garnering attention within PRS circles in early 2019. It promised to shoot 105-110gr 6mm bullets at 2950-3000 FPS, yet not suffer from mag-feed issues sometimes found with 6mmBR variants such as the 6 Dasher, …, 26 Nov 2023 ... ... cartridge - The 6mm ARC ... 6mm ARC: The Best All-Around Cartridge You Probably Need ... 6mm MAX vs. 6mm ARC: What's the difference ..., New Cartridge! The 6mm MAX. https://www.youtube.com/watch?v=UqfpMxci168. Based off a 350 Legend case. Posted: …, Are you an avid gamer looking to take your gaming experience to the next level? Look no further than Free Fire Max for PC. Developed by Garena, Free Fire Max is the enhanced versio..., 6mm Max Reviewed By Ray Helms On His X-Ring Channel. By BCPadmin. Read more. 0. BCPadmin; Mar 12 2023. BC Precision Ballistics Obtains Trademark for 6mm MAX® ..., The Answer: 6mm Advanced Rifle Cartridge. After much R&D, Hornady’s engineers and staff produced the 6mm ARC (Advanced Rifle Cartridge), a short, fat, PPC-looking round that’s very deceiving ..., Oct 22, 2023 · 6mm MAX is a new cartridge based on the straight-walled 350 Legend parent case. It allows shooters to pair the ballistic superiority of the 6mm bullet with the same bolt and gas system components of small frame 5.56 rifles. The 6mm MAX will utilize a different barrel and requires new magazines based on the 350 Legend cartridge. , Well, that would limit most hunting rifles to between 150 and 400-yards. But wait, there’s more. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. If you want to max things out, you need a bullet that will expand at lower velocities., 6mm MAX is an exciting new intermediate cartridge that combines AR15 small frame weight and portability with AR10 large frame performance. Developed by BC Precision Ballistics and championed by Sons of Liberty Gun Works, the 6mm MAX can move projectiles from 55gr to 105gr at incredible velocities while maintaining low pressures and higher ..., 6mm dasher maximum cartridge / minimum chamber unless otherwise noted all diameters -.008 cartridge noted: b = basic = reference dimension = headspace dimension * dimensions are to intersections of lines ... title: 6mm dasher author: ptrsn\zachary.aaron (zach-desktop) created date: 9/1/2021 1:37:33 pm ..., The 6mm MAX has unlocked the code on the .378 bolt face AR-15 cartridge. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt …, Shortly thereafter, the cartridge was taking off in popularity and it generated enough demand that Hornady began offering it as a standard cartridge in 2017 as the 6mm Creedmoor. Cartridge Breakdown. As originally designed, 6 CM starts as a necked down 6.5 Creedmoor case stuffed with 43.2 grains of H4831SC pushing a Hornady 105 AMAX. …, Pressure Testing 6mm MAX. Energetic Materials Research and Testing Center. With months of planning, ... Cartridge cases were supplied by BCPB primer with CCI #41 primers. Various bullets weights and types from various manufacturers were tested with a range of propellants. Bullet weights tested were 55, 58, 65, 70, 75, 77, 80, 87, 90, …, Other 6mm cartridges are super popular with long-range bolt rifle shooters, such as 6 GT, 6 BRA, 6 XC, 6 BR, and 6 Creedmoor. 6mm ARC is another in that same vain of low-recoil 6mm cartridges that perform amazingly well at long range. ... The 58gr V-MAX moving at ~3,600 FPS will put down a lot of prairie dogs at some long ranges. …, The 6mm MAX AR Cartridge is an impressive addition to the Sons Of Liberty Gunworks portfolio. Boasting the power to handle up to 55k psi chamber pressures, the virile cartridge yields a compelling 1750lbs of energy. Impressively capable, it maintains being supersonic past 1000 yards on a standard AR platform, a milestone for the industry., SPG1 Tactical. 3.24K subscribers. Subscribed. 217. 6.7K views 2 months ago. One of our best finds at SHOT Show 24 was the 6mm Max cartridge! This round is something …, Sep 16, 2023 · 6mm MAX (is SAAMI) designed by Brian with BC Precision ballistics. Being marketed through Sons of Liberty Gun works. Partnering with Starline for brass. supposed to be available to the public in november 2023. uses standard 223/5.56 bolt face (only needs a barrel change) 350 legend is the parent cartridge. Geared towards PRS. , The 6mm MAX has unlocked the code on the .378 bolt face AR-15 cartridge. It is a brand new cartridge designed for the unmodified mil-spec .378 bolt …, 6mm Max is being loaded to 55k PSI chamber pressure and should do well for competitive shooting with 100/103gr bullets. For hunting, 6.5 Grendel is generally your best bet in an AR15, although 350 Legend is apparently legal for hunting in all 50 states, so there's that. Posted: 1/27/2024 5:02:47 PM EDT.