6.8 Ammo Vs 223 Ammo

Note that the 5.56 cannot be shot on a 223 chamber but the 223 chamber can be shot from a 556 due to the pressure difference. The 556 packs more pressure and gun powder, meaning that it travels faster and is more accurate. Although the 223 can be shot from the 5.56 chamber, it will attain a lower speed due to its lower pressure.

Joined Aug 26, 2008. 8,248 Posts. #4 · Apr 7, 2010. For a SHTF round, you will be better served by the 5.56 due to price and availability of ammo. 6.8spc is supposed to be a hard-hitting round but it sacrifices range. 5.56 offers accuracy out to 600 meters whereas the 6.8 starts to drop signifcantly past 250 meters.

8.6 BLACKOUT. 8.6 Blackout was developed by Kevin Brittingham and his team at Q. It is often referred to as 300 Blackouts big brother and its easy to see why. What 300BLK provided to the AR-15 platform, 8.6BLK does for AR-10's. The parent case being 6.5 Creedmoor, 8.6BLK is trimmed down and necked up for a .338 projectile.

The difference between 6.8 SPC and 5.56 is the bullet diameter each cartridge fires. The 6.8 SPC fires a heavier 0.277” diameter bullet while the 5.56 NATO.

The 6.8 SPC has a slightly shorter case length at 1.687" vs 1.76" for the 5.56. However, the 6.8 SPC is wider than the 5.56 with a base diameter of 0.422" and 0.377", respectively. The wider base and rim diameter requires a larger bolt when converting an AR-15 to fire 6.8 SPC.

Browning's Long Range Pro Hunter contribution to the 6.8 Western ammo lineup is a 175-grain Tipped GameKing at 2,835 fps. And in a more modern military sense, there's the 6.8 Remington SPC (2004), built off the elderly .30 Remington case and a (hopeful) AR alternative to the 5.56 NATO. It featured a 115-grain FMJ at a muzzle velocity of.

Well, it depends. Though the cartridges of both 5.56 and .223 are identical in their external dimensions, 5.56 is frequently loaded to higher pressures. Not all AR-15s are rated to handle the higher pressures of 5.56, as some are solely designed to use .223 Remington. The rules are: Firearms chambered in 5.56 can safely shoot both 5.56 and .223.

The 6.8 SPC round has the same energy at 250 yards as the M855 has at the muzzle. At 600 yards it has the same energy as a 7.62mm M43 at 275 yards, M193 at 250 yards and M855 at 375 yards. Since.

Feb 2, 2020.

AR Caliber Considerations .223 vs 6.8 vs .308. What's best for me?.

Federal American 223 vs Federal American 556 Ammo. Paul Harrell.

Quality 5.56 costs the same as quality 6.8 ammo. 5.56 has the edge for plinking ammo, if costs is an issue plink/train with 5.56 and hunt with 6.8×43. If you are looking to keep coyote pelts 6.8 may be too much, might want to consider a 204 ruger. Let me know if there any questions you have, I would love to help.

Good SD/LE ammo for 6.8 is very comparable price wise to the 5.56 ammo I buy. The 6.8 needs more range ammo like the S&B 110gr FMJ to hit the market, to help drive the price down to closer to .50 or .60 a round. Of course cheap range/plinking ammo will always be more with the 6.8 because of the availabity of all the 5.56 range ammo out there.

Nov 28, 2020.

Given similar modern projectiles, for close quarters terminal performance as it relates to self-defense, the 6.8 SPC is probably the better.

May 4, 2022.

In layman's terms, the 6.8mm has 50% more kinetic energy at 100-300 yards while the 5.56mm has that same energy at point-blank ranges only. (.

Feb 5, 2005.

I'm not Troy, but here it is: 6.8SPC is "less overbore" than 223 or 308, or 6.5 In other words, it has less powder capacity to bore area ratio.

Every day the world is making a lot more .223 Remington ammunition than they are 6.8 SPC. Another advantage of the 5.56 NATO is capacity. There are 10-, 20-, 30-, and even 40-round AR-15 magazines.

What Are The Best 6.8 SPC Ammo Options: Hornady 100-grain GMX Full Boar. American Eagle 90-grain Varmint & Predator. Hornady 120-grain SST Custom. Silver State Armory 90-grain BSB. American Eagle 115-grain FMJ. Sellier & Bellot 115-grain Match. For many, the 6.8 SPC II is better off eating home-cooked meals. Given the cartridge's—more.

In contrast, a longer throat will have lower accuracy but lower chamber pressure and higher velocity. The 5.56mm chamber has a leade distance that is 0.125" longer than the .223 Remington chamber. Now I'm sure you're thinking, "That isn't all that much difference", and I understand what you're thinking.

Energy. Furthermore, the muzzle energy of a .223 Remington round averages out to 1250 ft-lb, while a 7mm-08 Remington round averages out to about 2450 ft-lb. One way to think about this is as such: a foot-pound is a unit of energy equal to the amount of energy required to raise a weight of one pound a distance of one foot.

As such, the 223 Rem has a flatter trajectory out to 500 yards. Looking at our Ballistics Table below, we will compare the 308 Winchester 168 gr Match ammo vs the 223 Remington 69 gr ammo. Assuming a 200 yard zero, at the 400-yard line the 308 will have had a bullet drop of -21.6" while the 223 has only dropped -17.5".

That being said the round is ballistically superior to the 5.56 regarding energy relative to bullet weight. The 6.8 SPC delivers 44% more power than the 5.56 on.

Price Of .223 Ammo In Canada Canadian home costs fell sharply in August from July, whilst yr-over-12 months price gains slowed in addition, as fast-growing hobby costs endured to chill housing markets across the us of a. Federal American Eagle 223 Rem Military Grade, FMJ 55 Grain Box of 20 or $449.75 for 500 Rounds #AE223JX. $18.99. $0.04. buy from Al