6mm .243 65 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 ... Maximum average pressure (MAP) is 52,000psi. ... I suspect a 6mm ARC cartridge will chamber in a 6mm ... Another metric that we can use to evaluate the performance ...6mm .243 65 gr V-MAX® Item #22415 | 100/Box . 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 velocities.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) .60. 6mm ARC Ammo Up to 22% Off from Hornady, HSM Ammunition, Ammo, Inc. everyday on 10 Products at OpticsPlanet.com.6mm MAX is an AR15 sized wildcat based on a modded 350 Legend case. To shoot, you just swap barrels and get some 6MAX or 350 Legend mags. BCG remains standard 5.56. ... Looking at the two most successful "new" cartridges on the market, (6.5 Creedmoor and 300blk), one thing they have in common is that they used the same bolt …Launched in 2020, the cartridge continues to gain popularity. (Photo credit: Hornady) Hornady has the following to say about the cartridge: 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 and everything that smaller cartridges can’t.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 …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, …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. 6mm .243 65 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 ...Jan 23, 2024 · 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. 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 ...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 6mm MAX can launch an 87 gr Berger VLD at 3009 fps from a 24″ barrel. This produces 1749 lbs at the muzzle, 1504 lbs at 100 yards, 1093 lbs at 300 …Re: **6mm cartridges and corresponding barrel life**. 6mm-250 or 6-250 AI is a great little round that's been winning High Power XTC matches for a few decades. It's essentially a 6mm version of the 6.5CM. If you run Lapua 22-250 brass through an elliptical expander module up to 6mm the prep work is done.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 ...Apple’s latest release, the iPhone 14 Pro Max, is making waves in the tech world. With its impressive features and sleek design, it’s no surprise that many people are considering u...Because 6ARC is too similar to 6.5 Grendel to bother with it. 6mm MAX using the 5.56 bolt is very interesting to me, and we'll see how the bottlenecked rounds stack vs the parent straight-walled cartridges. The Grendel/ARC case taper does not help with stacking in AR mags, hopefully MAX does better.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 …Re: **6mm cartridges and corresponding barrel life**. 6mm-250 or 6-250 AI is a great little round that's been winning High Power XTC matches for a few decades. It's essentially a 6mm version of the 6.5CM. If you run Lapua 22-250 brass through an elliptical expander module up to 6mm the prep work is done.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 maximum cartridge overall length of 2.26″ (57.4mm) is identical to the max COAL of .223 Remington which means 6mm ARC is designed to be an AR cartridge. The case length of 1.49″ results in a lot of bullet space (.77″ or 3.16 calibers) which will allow loading projectiles with very long ogives and great external ballistic performance.The bullet diameter is 6mm, the same as any other 6mm centerfire cartridge like the 6mm Creedmoor, 6mm BR, 6mm Dasher, 6×47 Lapua and the .243 Winchester. The SLR in 6mm SLR stands for Super LR, or Super Long Range in full, hinting to the fact the it is meant to be the ultimate in long range capabilities for a 6mm cartridge, with it …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 Legend, and that case allows you to use a standard 5.56 bolt.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, …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.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 …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 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. In the mid-1990s Norma wanted to develop a 300-meter cartridge that was more accurate and had less recoil than the 308 Winchester. Using a heavy 6mm bullet, they experimented with two cases, the 6PPC and the 6mm BR Remington. The 6PPC was dropped because of its odd head size and limited powder capacity for heavy bullets.3. Factory ammo is not common. 4. Every once in awhile there is a Lapua brass shortage, but if you get 300 or 400 pieces you could be set for a really long time. 5. Energy on target is less making splash and point of impact harder to see compared to a really fast 6mm or a 6.5mm.6mm .243 65 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 ...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...Aug 21, 2022 · This cartridge is not a .223 or a variant there of. The 6mm MAX parent is the .350 legend and holds 35 grains of water . A .223 holds 28grns. It’s more than 3% , I’ll let you do the math. We load 55gr -100gr bullets all @2.300 and magazine feed without mods. we’ve spent 100’s of hours studying bullet lengths and ogive’s to achieve this. 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.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.This is a very efficient and cost effective cartridge to shoot and reload. Ballistics of the 6mm/.223 or 6×45 cartridge when compared to the 22-250 shows that with an 85gr bullet the 6×45 will out perform the 22-250 from 300 to 600 yards due to the heavier bullet and better ballistic coefficients. Overall the 6mm/.223 a very fun cartridge.The maximum cartridge overall length of 2.26″ (57.4mm) is identical to the max COAL of .223 Remington which means 6mm ARC is designed to be an AR cartridge. The case length of 1.49″ results in a lot …6MM MAX. Drag Function: G1 Ballistic Coefficient: 0.427 Bullet Weight: 87 gr Initial Velocity: 3009 fps Sight Height : 1.5 in ... and cartridge. The two most important variables are the Initial Velocity and the Ballistic Coefficient. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. It is a great investment if you ...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.New Cartridge! The 6mm MAX. https://www.youtube.com/watch?v=UqfpMxci168. Based off a 350 Legend case. Posted: …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 Dasher Load Data. 6 & 6.5 Creedmoor Load Data(this article) 6BRX, 6BRA, and 6BR Load Data. 6 & 6.5×47 Lapua Load Data. 6XC Load Data. While I’d feel fortunate to know what load any of these top shooters are running, this set of data is the aggregate of well over 100 truly world-class shooters, so what a rich and unique data set … Long review of the 6mm Max vs. the 6 ARC for DMR competitions. We also discuss what you need to know about DMR style competitions. 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 …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 .....For the cartridges with larger case heads, you get the same amount of powder or less than the 6mm MAX. The end result is that the 6mm MAX (35 grs) allows for a .378 mil-spec bolt face with full lug integrity and powder to push the heavies at useful velocities. The 6mm MAX has unlocked the code on the .378 bolt face AR-15 cartridge. Long review of the 6mm Max vs. the 6 ARC for DMR competitions. We also discuss what you need to know about DMR style competitions. 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 maximum cartridge overall length of 2.26″ (57.4mm) is identical to the max COAL of .223 Remington which means 6mm ARC is designed to be an AR cartridge. The case length of 1.49″ results in a lot of bullet space (.77″ or 3.16 calibers) which will allow loading projectiles with very long ogives and great external ballistic performance.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...Apr 4, 2022 · The bullet diameter is 6mm, the same as any other 6mm centerfire cartridge like the 6mm Creedmoor, 6mm BR, 6mm Dasher, 6×47 Lapua and the .243 Winchester. The SLR in 6mm SLR stands for Super LR, or Super Long Range in full, hinting to the fact the it is meant to be the ultimate in long range capabilities for a 6mm cartridge, with it also ... The 6mm ARC falls between the .223 Remington/5.56 NATO and larger cartridges like the 6.5mm Creedmoor. It offers improved long-range performance compared to the .223 Remington while maintaining compatibility with the AR-15 platform. The 6.5mm Creedmoor uses the AR-10 platform, a heavier and, as mentioned, less …The 6mm ARC sent a 108-grain Hornady ELD-M across the western prairie. I watched it impact right behind the buck’s front leg. It humped up, took a couple of bounds, then toppled over in the fresh snow. The 6mm ARC (Advanced Rifle Cartridge) is at the forefront of modern cartridge design. It was created by Hornady to maximize the long …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 …The statistics shown above demonstrate the advanced speed capabilities of the 6mm ARC. Coming out of the muzzle, it maintains speeds around 2,750 to 2,800 fps. Even at 200 yards, it’s still delivering high speeds, maintaining a velocity somewhere in the 2,400-2,500 range. Once it reaches 500 yards, it has slowed but it’s still maintaining ...Mar 23, 2023 · 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 ... Target Sports USA. New Republic 9mm Luger Ammo 115 Grain FMJ - $11.03 box / $220.62 case - with AMMO+ membership.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) .Launched in 2020, the cartridge continues to gain popularity. (Photo credit: Hornady) Hornady has the following to say about the cartridge: 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 and everything that smaller cartridges can’t.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 ...8.6mm Blackout (8.6×43 mm), also sometimes referred to as 8.6 BLK, is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber ...When it comes to printing, having the right ink cartridge is essential for maximum efficiency. Installing a new ink cartridge can be a tricky task, but with the right instructions ...This 6mm wildcat based on the common .223 Rem offers excellent accuracy and very low recoil — something very important in the cross-the-course discipline. In addition, Ron’s 95gr load with Reloder 15 delivered an ES of just 4 fps over ten shots. That exceptionally low ES helps achieve minimal vertical dispersion at 600 yards.Varmint shooters can utilize a wide range of 6mm bullets from 50 to 90 grains, but we think the 6PPC does best with bullets under 80 grains. The 58gr and 65gr V-Max shoot great from a 1:14" twist barrel, but Varminters may find a 1:12" barrel more versatile, as this can handle the heavier Varmint and hunting bullets, such as the 75gr V-Max. Javascript is required. Please enable javascript before you are allowed to see this page. indicates maximum load — use with caution rifl e data 6mm ceedr moor 10 905g - rainb ullets sectional densit y: 242210 6. 0˚. dai meter: 0.2430.257" ˚By Nahid July 31, 2023. The 6mm creedmoor and the 6mm arc are two popular cartridges known for their long-range shooting capabilities. When it comes to the 6mm creedmoor versus the 6mm arc, both cartridges offer impressive ballistic performance and accuracy. The 6mm creedmoor, originally developed for competitive shooting, has gained …6mm sherman max. It's already improved and rich has the reamer in stock. I will build one for my best friend one for me and one my nephew. ... but I don't see the point of taking an overbore cartridge and adding another 4% capacity to it, that'll only equate to maybe another 1-2% velocity increase before pressure signs. I have two friends ...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.He should have just cut to the chase and picked the best coyote cartridge of all time — the 22-250 Ackley Improved. 22-250 Ackley Improved has an ideal balance between recoil, MV, long range reach, terminal performance, and potential pelt damage. Standard 22-250 Remington chambers can easily be reamed open to fit the Ackley version.Sep 17, 2023 · 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. 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.Thus far 6mm Max has been flawless for coyote hunting when 6 arc wasn't. ... I think on cartridge v cartridge this might have a better chance with military/LE sales. If an orgaization was looking to switch away from 5 56, the magazines are actually interchangeable ...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 …6 XC. 6 XC is a 6mm cartridge initially developed by modifying a .250 Savage case to optimize for match competition shooting. The 6 XC stands for "across the course" and was initially a wildcat caliber, but is now commercially available and a popular choice around the world for long range target shooting and hunting. About Norma.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 ...
Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. It will a produce a line graph showing the bullet drop and flight path of the bullet.. Low taper curly
We talk about the 6mm Max cartridge from BC Precision Ballistics, the build specs for the General Purpose division, and the new Broadsword rifle from Sons of …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 ...In the mid-1990s Norma wanted to develop a 300-meter cartridge that was more accurate and had less recoil than the 308 Winchester. Using a heavy 6mm bullet, they experimented with two cases, the 6PPC and the 6mm BR Remington. The 6PPC was dropped because of its odd head size and limited powder capacity for heavy bullets.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.Re: **6mm cartridges and corresponding barrel life**. 6mm-250 or 6-250 AI is a great little round that's been winning High Power XTC matches for a few decades. It's essentially a 6mm version of the 6.5CM. If you run Lapua 22-250 brass through an elliptical expander module up to 6mm the prep work is done.SAAMI New Cartridge & Chamber Maximum Average Pressure (MAP)* = 52,000 psi Instrumental Velocity**: 108-gr @ 2,700 fps Crusher pressure limits not established. (** - Velocity based on a 24” Test %arrel) * Refer to ANSI/SAAMI Z299.4 for pressure guideline interpretation description.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 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.In the mid-1990s Norma wanted to develop a 300-meter cartridge that was more accurate and had less recoil than the 308 Winchester. Using a heavy 6mm bullet, they experimented with two cases, the 6PPC and the 6mm BR Remington. The 6PPC was dropped because of its odd head size and limited powder capacity for heavy bullets.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 ...The 6mm MAX can launch an 87 gr Berger VLD at 3009 fps from a 24″ barrel. This produces 1749 lbs at the muzzle, 1504 lbs at 100 yards, 1093 lbs at 300 …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.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, …Javascript is required. Please enable javascript before you are allowed to see this page.The length of the 6mm GT also helps it to feed better. Measured from the base to the shoulder junction, the 6mm GT is .100 inches longer than the Dasher, and the neck length of the 6mm GT is .050 inches longer. All in all, this makes the 6mm GT brass .150 inches longer than the Dasher, further improving feed reliability..