The Rem has a slightly higher velocity typically. mm (in) When we talk about trajectory, we are only referring to elevation and how much a bullet will drop as it moves downrange. We have the Brass in stock along with Dies. The .243 when twisted right is a very capable long range round. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to … A bullet’s flight path has a characteristic arc with the bullet dropping in elevation over time. All of these categories including the categories outside of ballistics all go hand in hand and influence each other. If the area this mass is concentrated is smaller (smaller caliber) than the bullet will penetrate deeper because it is encountering less surface area of resistance. Match bullet. Bullet C is 200grains with a diameter of .2” while bullet B is 150grains with a diameter of .2”. All Rights Reserved. Where ballistic calculators are used we kept as many variables the same between rounds of the same cartridge. For that, they still have plenty of bullet energy. If you're a deer hunter who dearly loves his .243 Win. A bullet with a higher sectional density should have greater penetration than a bullet with a lower SD. The ballistic coefficient (BC) is either a term you pay a lot of attention to or it’s something you have never given a moment’s thought. Ruger introduced .300 PRC and 6.5 PRC chamberings for the Ruger Precision Rifle. The following ammunition cartridge ballistics information and chart can be used to approximately compare .22-250 Remington vs .243 Winchester ammo rounds. For casual target shooting or a little more serious, both of these cartridges have a lot of advantages. The .243 rounds have lower bullet energy consistently through the 500-yard mark, and like the velocity, they tend to bleed energy at a higher rate than the 6mm Creedmoor rounds. There is also a significant difference in … The 6.5CM is a viable big game cartridge. laker. Like all of the other categories we have looked at, the lightweight .243 rounds tend to throw off the comparison slightly when looking at averages, but we like having them to show the versatility of the .243 Win cartridge. The 58 and 55gr .243 rounds are extremely flat with only 6 and 7 inches of bullet drop while the remaining rounds fall to the 10 and 11-inch range. The 6mm ARC is basically the 6.5 Grendel necked down to hold a .243” bullet with the 30-degree shoulder pushed back a smidgen. A lot of this difference has to do with the bullet design used by the 6mm Creedmoor which makes them more aerodynamic. It’s not quite the same as the actual felt recoil that you feel, but increased recoil energy does correlate with increased felt recoil. So for a cartridge comparison, we can’t say there is an advantage for one over the other regarding sectional density. The 6mm CM had two rounds greater than .5 while none of the .243 rounds cracked the .4 mark. Who's the winner? Best Concealed Carry Insurance [Comparison Chart]. 243 ackley improved vs. 6mm ackley improved #4973691 02/23/11: Joined: Apr 2007. Second, it was chambered in the delightful Winchester Model 70 Featherweight, which was a major factor in the .243’s huge success. Lately have been shooting metal plates w/guys shooting 308 and 6X @ 2700 - 2800 fps. However, there is … It has a shorter case type, less body taper, and lower recoil. A lot goes into a bullet’s trajectory including bullet specs as well as environmental characteristics. As a caliber, the 6mm has the least number of commercial members. What are the 6mm Cartridges: We used the same sight height for all the rounds and used the bullet weight, muzzle velocity, and ballistic coefficient to generate the data. So, we gathered the short range trajectory data from the manufacturer where available, and also use a ballistic software to generate data as well. It’s also important to note that even at 700 yards, the 6mm CM rounds are still above 100 inches of bullet drop which is quite impressive given they are factory loads. We have the Brass in stock along with Dies. Without much momentum, you might only get a shallow wound which might drop the animal, but it could mean a long day of tracking. At 100, 300, and 500 yards the 6mm Creedmoor shows an average kinetic energy of 1849, 1387.25, and 1023.5 ft.lbs. Option 2 buy M700 ADL Walmart special, take it to a gunsmith with the #3 1:7 twist barrel I have installed cut to 20" with basic blueprint and chambered in .243 Win. 4 Expert Tips for Catching a Mess of Crappies in the Fall. More importantly, this round maintains the velocities to cause sufficient penetration and expansion, and it carries more than enough stopping power out to 300 yards which is excellent for a .243 hunting round at this weight. While both cartridges offer excellent accuracy, each have their advantages and disadvantages. Both have applications in the shooting and hunting world, and both are going to overlap a lot in those applications. Even 400 yards they can still bring them down with the proper shot placement. We don’t have any concerns with that. I would not build a 6mm Remington due to the fact of poor brass and dies are more expensive. For factory loads, both of these cartridges are excellent choices for target shooting. Some rounds even shoot differently out of different rifles. Jury is still out on whether the 6mm Creed is going to take off like it’s bigger brother. Tom Beckstrand and Neal Emery of Hornady highlight the 6MM Creedmoor ammo. For a round to take to the range, we like the 58gr Hornady Superformance Varmint V-Max. We see a similar trend when looking at the smaller sample size of the .243 Win rounds compared to our four 6mm CM rounds. As the bullets move out to the 200-yard range, we do see a slight difference between the cartridges when taking all of the rounds into account. 6.5 Creedmoor. With both of thee cartridges taking a .243 caliber bullet the difference is going to depend on the bullet weight. If you have two cartridges with similar specs, such as the 6mm Creedmoor vs the .243 Win, you can expect to see pretty similar sectional densities. Based on this data, the 6mm Creedmoor averages about 150 fps faster MV than the .243 Winchester with 95-100 grain hunting bullets. Below are the averages from our enlarged sample size for the .243 Win rounds. The 6mm Creed is anout .030 longer than the 6XC. Ballistics are very similar for the 6mm Creedmoor and .243 Winchester inside 500 yards, but the 6mm Creedmoor is much better suited for longer range shots since it can use those more aerodynamic bullets. Starting in 2017, shooters were... David Fortier talks with Jeff Hoffman of Black Hills Ammunition about the evolution of the .308 Win. To determine the powder charge, we used Nosler load data and went conservative with the grain weight since we are dealing with factory loads. Ll take a stab at accuracy for the sake of argument and a little less powder in Creedmoor... Sd is derived from a 24-inch barrel cartridge has become a hot commodity in the.243’s measures... Just going off numbers which is only half the story Hornady is claiming its ARC. Explicitly for long-run target shooting 6mms, and all are important factors for how well they can take down.. Vs.243 is a fine balance between speed and stability shooting applications you undoubtedly noticed that we covered this... 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