5.56 maximum effective range

Maximum Effective Range (Point Target) 500 meters: Maximum Effective Range (Area Targets) 800 meters: Maximum Range: 3600 meters: M4A1 Carbine; Weight (Without Magazine) 6.36 pounds: Length ...

Nov 23, 2016 · From the data, the M4 Carbine with its 14.5″ barrel and 2,920 ft/s muzzle velocity meets our velocity threshold at 125 meters, while the M16A2 with its 20″ barrel and 3,150 ft/s muzzle velocity meets the threshold at 190 meters. In other words, the difference in velocity between the two rifles is enough to create a “gap” in performance ... The maximum effective point target range of an M4 carbine with M855 rounds is 500 m (547 yd), with a maximum effective area target range of 600 m (656 yd). These mark the greatest distances the rounds can be expected to accurately hit the target, not the ranges that they have terminal effectiveness against them. A 9mm Caliber will have an effective range of 100 meters. A 0.50 BMG will have an effective range of a mile (1600 meters) A 0.450 Bushmaster will have an effective range of 250 meters. It is best to keep in mind that the main goal is to shoot your AR-15 with precision.Next, from a solid shooting rest, zero your rifle to strike 3 inches high at 100 yards. Then fire two or three shots on paper at both 150 yards and 180 yards. That’s the peak trajectory distance (maximum ordinate) for most cartridges. If those land more than 4 inches high, re-zero 23/4 inches high at 100 yards and try again.300 Blackout Effective Range For 9" Barrel. From a 9-inch barrel, the 300 AAC Blackout 125 grain bullet has a maximum effective range of 440 meters. This is because the bullet drops 100 inches at 410 meters, drifts 41 inches at 470 meters, and has 291 foot-pounds of energy at 625 meters. Most 9" 300 blackout barrels can achieve this …The maximum effective range of an AR-15 varies depending on the caliber and specific model, but it is generally considered to be around 600-800 meters. Can I use a different caliber in my AR-15? Some AR-15s are designed to be compatible with multiple calibers, but it is important to check with the manufacturer to ensure safe and proper use.The effective range for 5.56 bullets, therefore, is between 400 and 500 yards. In this range, the bullet will have maximum effect on the target. Beyond this, expect less impact on the target you are aiming at. The long range makes this a good projectile for the battle field because soldiers can aim and drop targets who are far away with ...Feb 22, 2024 · A: The maximum effective range for deer hunting with a 5.56 cartridge depends on several factors, including the specific ammunition used, the shooter’s skill level, and environmental conditions. Generally, most hunters consider 300 yards to be the maximum practical range for a clean, ethical kill with a 5.56 cartridge on deer-sized game.

May 5, 2024 · The velocity range to look for in 5.56 ammo is generally between 3,000 to 3,300 feet per second for optimal performance. See 3,000+ New Gun Deals HERE What are some popular uses for 5.56 ammo? Aug 6, 2023 · 7.62 vs. 5.56: Effective Range. The effective shooting range of a 7.62 round is 200 yards and up to 400 yards if fired by a skilled shooter. The effective shooting range of a 5.56 round is 500 yards. 7.62 vs. 5.56: Bullet Variety. 7.62 ammunition is compatible with 120-grain to 125-grain bullets — the most popular being 122-grain and 123 ... While the 5.56 NATO round is often cited as having an effective range of around 300 meters for point targets, its maximum effective range for area targets can extend beyond 600 meters. The actual effective range can vary based on bullet weight, …The effective range of an AR-15 5.56 rifle typically varies between 400 to 600 yards, depending on factors like barrel length, ammunition type, and shooter skill. However, the weapon itself can technically shoot much farther, reaching distances of up to 3,000 yards, albeit with significantly reduced accuracy. The maximum range for an AR-15 in 5.56mm with a 20″ barrel is 3900 yards, and its effective range is 600 yards for accurate stopping power. There are several calibers the AR-15 can be chambered in, and each caliber will have a different effective range. Knowing the range of your rifle is critical information that will help you understand ...

The .308 and 5.56mm cartridges are both capable of great accuracy. The M118 and MK 262 are long range service loads for each cartridge respectively. Tyler Freel. 5.56 NATO. The story of the 5.56 NATO cartridge is similar in nature to the 7.62×51 NATO and was derived from the development of the .223 Remington.Aug 31, 2012 · The advertised maximum effective range of both the M14 with a 150 gr., 7.62 mm NATO cartridge and the M16’s 62 gr., 5.56 mm M855 NATO cartridge was 460 meters. This equal clas-sification is odd considering the dramatic difference in cartridges. “Effective” is the key word. In this instance, it denotes the maximum range a projectile is ... However, it has an effective range of about 600 yards and retains enough velocity to be used for 1,000-yard targets with a good rifle in the right hands. The standard twist rate for 5.56 NATO chambered rifles is 1:7. A barrel length of 16 inches is considered ideal for this ammo, however, a wide range of options are available out there. The 77gr. 5.56 round will still fragment at velocities less than 2100 fps. A much more realistic threshold for reliable fragmentation with the 75-77 grain OTM loads is 2,250 FPS. From your 10.5” barrel, this will give you …For 223 and 5.56, 500 yards is generally considered the maximum effective range as the bullet will drop below the recommended 220 ft-lbs of kinetic energy for combat effectiveness near this point. Furthermore, the 223/5.56 will drop below subsonic speeds around 700 yards, at which point its trajectory suffers even more.

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A 14.5" barrel will yield a muzzle velocity of approx. 2880 fps, muzzle energy of 1020 ft-lbs. A 12.5" barrel will yield a muzzle velocity of approx 2750 fps, muzzle energy of 925 ft-lbs. Punching this information into a handy ballistics calculator, we can see that a 55 gr. bullet from a 12.5" barrel has the same energy at 350 yards that a 9mm ... Feb 16, 2024 · A: Ammunition with higher ballistic coefficients and velocities can potentially extend the effective range of an AR-15 5.56 by reducing bullet drop and wind drift. Q: What is the maximum effective range of an AR-15 5.56? A: The effective range varies, but typically falls between 400 to 600 yards for an AR-15 5.56 rifle. The maximum effective range of an AR-15 varies depending on the caliber and specific model, but it is generally considered to be around 600-800 meters. Can I use a different caliber in my AR-15? Some AR-15s are designed to be compatible with multiple calibers, but it is important to check with the manufacturer to ensure safe and proper use.A 1-inch PVC pipe handles 58 gallons of water a minute at a peak velocity flow of about 18 feet per second. This is equivalent to 3,510 gallons per hour. A 1-inch PVC pipe allows f...The 77gr. 5.56 round will still fragment at velocities less than 2100 fps. A much more realistic threshold for reliable fragmentation with the 75-77 grain OTM loads is 2,250 FPS. From your 10.5” barrel, this will give you …

From the data, the M4 Carbine with its 14.5″ barrel and 2,920 ft/s muzzle velocity meets our velocity threshold at 125 meters, while the M16A2 with its 20″ barrel and 3,150 ft/s muzzle velocity meets the …A 5.56 tasked with hitting a target out to 800-yards can be done by a skilled shooter, but it’s much easier to use a caliber designed for that distance, like 6.5 Creedmoor. .223 Long Range Shooting Setup. For …Apr 29, 2022 ... Effective range of Knights Armament SR25 ECC? 38K ... Red dot on a fighting AR- Max effective range? ... 5.56 & .308 vs 5 gallon water jugs at 300 ...Sep 2, 2022 · According to the US Army Technical Manual, the 556 cartridge has a 547-yard range for individual or point targets with a carbine ( area target range is up to 650 yards). When used in a rifle, the individual or point targets range is up to 602 yards, and the area target is up to 875 yards. Time of flight is about 1 second per 300 yards for most subsonics, so at 300 yards the drop is about 16 feet. At 600 yards it's at least 64 feet. Without precision ammo, and a quality rangefinder subsonic shooting at over 300 yards not practical. A subsonic heavy low drag bullet however can be lethal at a mile or more.Primary function: Infantry weapon Manufacturer: Colt Manufacturing and Fabrique Nationale Manufacturing Inc. Length: 39.63 inches (100.66 centimeters) Weight, with 30 round magazine: 8.79 pounds (3.99 kilograms) Bore diameter: 5.56mm (.233 inches) Maximum effective range: Area target: 2,624.8 feet (800 meters) Point target: 1,804.5 …Maximum Effective Range (Point Target) 500 meters: Maximum Effective Range (Area Targets) 800 meters: Maximum Range: 3600 meters: M4A1 Carbine; Weight (Without Magazine) 6.36 pounds: Length ...In the Army, when I had to memorize ranges for maximum effective range, maximum distance etc It was about 3750 meters for the M4. Point target was only 550m however. .50 cal can go around 6750meters. The farthest I engaged with the M2 was about 2,000 meters. Still pretty damn fun.If a disabling condition prevents you from gainful employment, applying for Social Security disability benefits can help you make ends meet. Program eligibility is based on your wo...Realistically, the type of ammo you’re firing actually determines your 6.8 SPC rifle’s effective range for deer hunting. If it’s the Hornady 110gr GMX, it’s 140 yards; if it’s the Hornady 120gr SST, it’s 259 yards. We’ve said it before, and we’ll keep saying it until people get sick of hearing it: ammo selection matters!

What is the effective range of 5.56 ammo? The effective range of 5.56 ammo varies depending on factors such as barrel length and bullet design. On average, it is effective up to about 500 meters, but individual firearms may have different capabilities. 8. Are there any restrictions on purchasing 5.56 ammo?

According to the US Department of Defense, maximum effective range is the “the maximum distance at which a weapon may be expected to be accurate and achieve the desired effect.” To make …And LPVOs work great on 6mm, 6.5mm and 30 cal rifles too. 6X will allow you to make effective hits on a silhouette out to the realistic range of a 5.56. The devil is once you start shooting at things that are obscured or camouflaged, or are shooting in poor lighting, or need better than silhouette shooting precision.Sep 1, 2019 · So, the easy and safe metric for 'maximum effective range' is to just use the supersonic range of the projectile. --> 14.5" Fusion = 1125fps @ 725yd This is a fairly accurate 'maximum' range; very few shooters will be making hits with a 14.5" 62gr Fusion beyond 725yds, yet it is still within the realm of a skilled shooter. I’ve always stated my home-defense gun is a Mossberg 12 gauge loaded with 00 Buckshot, but the PDX offers more maneuverability than my Mossberg 500 and the power of 5.56mm, 7.62mm x 39mm, or a .300 BLK bullet. A gun like the Maxim Defense PDX is only 18.75" and can be chambered in the same caliber as any other AR at twice the PDX’s overall ...Sep 8, 2009. #4. Re: AR15 16" maximum effective range. A 16" AR can get you to 1K with a 1:8 or 1:7 twist barrel with the 75+ grain bullets (maybe 68 grain BTHP). I shoot 2- 16" AR's for competition, and they work fine to 600. One shoot we went to 800, but my slow load with a 60 grain V-max was key holing at 800.The M16-/M4-series weapons are 5.56-mm, magazine-fed, gas-operated, air-cooled, shoulder-fired weapons. This section describes the general characteristics (Table 2-1) and the components of the M16-/M4-series weapons. Table 2-2 (page 2-2) shows the characteristics of various accessories. CHARACTERISTIC. M16A1. M16A2/A3. For maximum velocity with 5.56x45mm NATO, a 20-inch barrel will give the most velocity possible out of a common barrel length rifle. For best accuracy, a heavy / bull barrel is preferred. Theoretically, a 22-inch barrel would be the best combination between somewhat manageable maneuverability and maximum velocity, but it's a non-standard length ...

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A-56. The machine gun can provide units with a self-defense capability against hostile low-flying, low- performance aircraft. These guns are employed in the air defense role as part of the unit ...I've used this resource for a long time - the Occupational Outlook Handbook, a service of the US Bureau of Statistics. I've used this resource for a long time - the Occupational Ou...When it comes to the .223 and a 5.56, most users will generally operate under 250 yards. We don’t really need to talk about the nuances of those cartridges at that range because at that range the following is possible with those cartridges: Stopping a defensive threat of any human size.The ammo is tipped with the V-Max projectile which includes a polymer tip covering a cavity. The polymer tip beats drag but get out of the way once the round hits a target. ... You give no numbers on effective range, energy retention and bullet drop. This is just a fluff article with no real information. May 4, 2022 4:58 am Reply 5 0 0 0 0 1.What is the effective range of 5.56 caliber ammunition? The effective range of 5.56 caliber ammunition can vary depending on the specific firearm and conditions, but it is generally effective up to several hundred yards. Is 5.56 caliber ammunition good for hunting?A solid option for shooting a short-barreled 223/5.56 to 200 yards. 50 yard zero. Pros: Very flat shooting. Point and shoot from 50 yards to 150 yards. And 200 yards is a small 3-inch holdover. Cons: None out to 200 yards. Round drops off after 225 yards from a 5.5” hold to a 9” hold at 250 and it just falls. 100 yard zeroShort barrel 11.5 and a heavy 77 bullet will probably give you around a 20 inch drop at 300 yds. If you’re fine with that then it’s ok. Heavy loaded 5.56 generally uses a slow-burning powder to get max velocity. So a short barrel isn't going to be doing you any favors. Can you make hits at 300yds, yes 100%.I’ve always stated my home-defense gun is a Mossberg 12 gauge loaded with 00 Buckshot, but the PDX offers more maneuverability than my Mossberg 500 and the power of 5.56mm, 7.62mm x 39mm, or a .300 BLK bullet. A gun like the Maxim Defense PDX is only 18.75" and can be chambered in the same caliber as any other AR at twice the PDX’s overall ...With the addition of clinometers fixed machine gun squads could set long ranges and deliver plunging fire or indirect fire at more than 2,500 m (2,730 yd). This indirect firing method exploits the maximal practical range, that is defined by the maximum range of a small-arms projectile while still maintaining the minimum kinetic energy required to put unprotected … ….

Sep 8, 2009. #4. Re: AR15 16" maximum effective range. A 16" AR can get you to 1K with a 1:8 or 1:7 twist barrel with the 75+ grain bullets (maybe 68 grain BTHP). I shoot 2- 16" AR's for competition, and they work fine to 600. One shoot we went to 800, but my slow load with a 60 grain V-max was key holing at 800.Aug 26, 2012 · If instead you use .223 Winchester ammo offered by Winchester, Remington, PMC or other companies, your velocity could be 100 fps lower than M193, as .223 is loaded to a lower pressure than 5.56 NATO. If you are using Wolf, Brown Bear or Silver Bear .223 ammo, your velocities could be 150 fps slower. That can reduce effective fragmentation ... Nov 10, 2019 · With that level of accuracy available, shooting at long range becomes practical because the adjustments made with the optic should track very closely to the ballistics charts or program being used. Rifle Specs: Barrel: 16” chrome-moly, R4 profile, 1:9 twist. Lower: Forged Rock River LAR-15. Upper: Forged Rock River A4. A 5.56 AR can shoot quite far, depending on the rifle and the ammunition used. Most AR-15s are chambered for 5.56x45mm NATO, which has a maximum effective range of around 500 meters (1,640 feet). But with the right rifle and ammunition, a 5.56 AR can shoot much farther than that. Shortcuts.Carpet washers are an essential tool for keeping carpets clean and looking their best. Vax carpet washers are a popular choice for many homeowners, as they offer powerful cleaning ...A 9mm Caliber will have an effective range of 100 meters. A 0.50 BMG will have an effective range of a mile (1600 meters) A 0.450 Bushmaster will have an effective range of 250 meters. It is best to keep in mind that …6.5 Grendel Effective Range. In theory 6.5 Grendel ammunition is capable of delivering that much energy at ranges beyond 3,500 yards. Of course, determining the 6.5 Grendel’s effective range solely according to how much energy it can transfer would be to ignore the “expected to be accurate” criterion of the Army’s definition of ...For 223 and 5.56, 500 yards is generally considered the maximum effective range as the bullet will drop below the recommended 220 ft-lbs of kinetic energy for combat effectiveness near this point. Furthermore, the 223/5.56 will drop below subsonic speeds around 700 yards, at which point its trajectory suffers even more. M16A2 Rifle. Manufacturer: Colt, FNH USA. Services: USN, USMC, US Army, USAF. Caliber: 5.56x45. Length: 39.63 inches. Weight, with 30 round magazine: 8.79 lbs. Maximum effective range: 550 meters ... Oct 30, 2009. #19/55. We were taught in bootcamp that the maximum range of the M16A2 is 3534 meters. Max effective range for an area target is 800 meters, and max effective range for a point target is 550 meters. Never really tested any of those for myself, though, but I wasn't gonna waive the BS flag at my DIs, lol. 5.56 maximum effective range, Realistically, the type of ammo you’re firing actually determines your 6.8 SPC rifle’s effective range for deer hunting. If it’s the Hornady 110gr GMX, it’s 140 yards; if it’s the Hornady 120gr SST, it’s 259 yards. We’ve said it before, and we’ll keep saying it until people get sick of hearing it: ammo selection matters!, May 12, 2014 · In the Army, when I had to memorize ranges for maximum effective range, maximum distance etc It was about 3750 meters for the M4. Point target was only 550m however. .50 cal can go around 6750meters. The farthest I engaged with the M2 was about 2,000 meters. Still pretty damn fun. , According to the US Department of Defense, maximum effective range is the “the maximum distance at which a weapon may be expected to be accurate and achieve the desired effect.” To make sense of the above data, the 5.56 is practical for engaging a single target at 602 yards when fired through a 20” barrel., 11.5 2872 2738 45/95 10/75. MV: Muzzle Velocity (feet per second). Frag: Maximum range, in yards, for rounds to fragment. First value is the range bullets are at 2700 fps, the second value is the range where the bullet is at 2500 fps. Fragmentation ranges assume 59.6 degrees Fahrenheit (and 29.92 "/Hg), higher tempertures will …, Effective Range of 5.56. The effective range of the 5.56×45, a military/NATO cartridge, is a critical factor in its tactical deployment and operational capabilities, as detailed in the US Army Technical Manual 9-1005-319-10.. When assessing the effectiveness of a cartridge in military operations, the range plays a pivotal role in determining its usability in various …, While the 5.56 NATO round is often cited as having an effective range of around 300 meters for point targets, its maximum effective range for area targets can extend beyond 600 meters. The actual effective range can vary based on bullet weight, …, The fact is that standard 5.56 ammunition — “ball” ammunition with a traditional lead core — can pierce “bullet proof” body armor just as easily as M855, a fact we have conclusively proven through our own testing. So can commonly available .308 Winchester ammunition, one of the most popular “hunting” cartridges in the world., I'm finishing up a build for a semi-long range setup. It's 5.56 in a 20" barrel. I'm looking for some ammo recommendations for something mainly just for target purposes from 100 yards +. ... terminally effective 5.56 loads at any range. It’s an amazing load in the sense that you can ring steel with it out past 1000 yards, ethically hunt small ..., Just Google rifle wound vs pistol wound. 5 56 is a rifle cartridge traveling at double the speed. 5.56 is likely to stop any moving human in one center mass shot. 9mm is about half as likely to do so. ... Classis Firearms did a comparison on 9mm v .45. not quite the same as your question but the info is good for effective range on the 9. https ..., Carpet washers are an essential tool for keeping carpets clean and looking their best. Vax carpet washers are a popular choice for many homeowners, as they offer powerful cleaning ..., May 5, 2024 · What is the effective range of NATO 5.56 ammo? The effective range of NATO 5.56 ammo is approximately 400-600 meters. Is NATO 5.56 ammo interchangeable with .223 ammo? While these cartridges are very similar, there are slight differences and it is not recommended to use them interchangeably. What firearms are compatible with NATO 5.56 ammo? , If you're using XM193 type ammo, then with a 16" barrel, you gain about 15 yards fragmentation range (105ish vs 90 for 14.5" barrel). If you're using M855 type ammo, you have an approx 90 yard frag range with a 16" vs 65y with am M4. This may be of some use to you. The 14.5" M4 is effective past 360 meters., Which means the angle of impact is the deciding factor for penetration and damage to the target. There has been an ongoing debate about the effectiveness of the M855 ammo over a short and long range. While technically, the bullet has an effective range of 450-600 metres, the lethality and penetration capabilities begin to degrade at just 300 ..., M16A2 Rifle. Manufacturer: Colt, FNH USA. Services: USN, USMC, US Army, USAF. Caliber: 5.56x45. Length: 39.63 inches. Weight, with 30 round magazine: 8.79 lbs. Maximum effective range: 550 meters ..., 300 Blackout Effective Range For 9" Barrel. From a 9-inch barrel, the 300 AAC Blackout 125 grain bullet has a maximum effective range of 440 meters. This is because the bullet drops 100 inches at 410 meters, drifts 41 inches at 470 meters, and has 291 foot-pounds of energy at 625 meters. Most 9" 300 blackout barrels can achieve this …, 5.56 NATO beats 6.5 Grendel when it comes to bullet drop within 500 yards. It falls about 10% less. 5.56 NATO's max effective range is about 450 yards, although its only lethal up to 300 yards. 6.5 Grendel's max effective range is about 800 yards. It can be used to hunt up to 500 yards., However, it has an effective range of about 600 yards and retains enough velocity to be used for 1,000-yard targets with a good rifle in the right hands. The standard twist rate for 5.56 NATO chambered rifles is 1:7. A barrel length of 16 inches is considered ideal for this ammo, however, a wide range of options are available out there. , The heavier duty 7.62 NATO is still used in the military due to the extra power and range it offers. An M14 hard at work in Afghanistan. When comparing the 5.56 M885A1 load and the 7.62 NATO M80 round, we see the big differences upfront. 7.62 retains over 1,700 foot-pounds of energy at 500-yards versus 5.56 which hits 950 foot-pounds at 500 …, All-Purpose Barrels: 16-inch & 14.5-inch. Far and away the most popular barrel length for an AR-15 is 16″. This medium length offers very capable ballistics, with a maximum range exceeding 500 yards, and in some cases quite a bit further, although that will depend upon factors beyond barrel length. Despite their considerable range, 16 ..., Jul 27, 2022 ... Comments568 ; The .45 acp Ruger LC Carbine | It Keeps Getting Better. Colion Noir · 277K views ; What Is The Effective Range Of 5.56?, MANNING & NAPIER PRO-BLEND MAXIMUM TERM SERIES CLASS R- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies Stocks, The new AXTS SPR is a 5.56mm rifle designed for extreme long-range shooting. The author was able to engage targets out to 1,286 yards without missing a …, What is the effective range of a 5.56 caliber rifle? The effective range is generally around 400-600 meters, depending on the specific rifle and ammunition used. What is the muzzle velocity of a 5.56 caliber bullet? Muzzle velocity can vary, but it is typically around 3,000-3,200 feet per second., M16A2 Rifle. Manufacturer: Colt, FNH USA. Services: USN, USMC, US Army, USAF. Caliber: 5.56x45. Length: 39.63 inches. Weight, with 30 round magazine: 8.79 lbs. Maximum effective range: 550 meters ..., The maximum effective range of 5.56 x 45mm ammunition is around 800-1,000 meters in skilled hands. Is 5.56 x 45mm ammunition suitable for long-range shooting? While it can be used for long-range shooting, 5.56 x 45mm ammunition is best suited for intermediate ranges., Brex is one of the newest fintech startups, and it offers a unique rewards program. Check out how to maximize Brex Rewards points here! We may be compensated when you click on prod..., The M16-/M4-series weapons are 5.56-mm, magazine-fed, gas-operated, air-cooled, shoulder-fired weapons. This section describes the general characteristics (Table 2-1) and the components of the M16-/M4-series weapons. Table 2-2 (page 2-2) shows the characteristics of various accessories. CHARACTERISTIC. M16A1. M16A2/A3., 7.62x39 Muzzle Velocity (fps) Muzzle velocity is how fast the bullet leaves the barrel, measured in Feet-Per-Second (fps). Many factors contribute to muzzle velocity, including the barrel length, bullet weight, and amount of propellant. So, a bolt action rifle with a 24-inch barrel could produce higher muzzle velocities than a semi-automatic ..., The effective range of an AR-15 5.56 rifle typically varies between 400 to 600 yards, depending on factors like barrel length, ammunition type, and shooter skill. …, The maximum range for an AR-15 in 5.56mm with a 20″ barrel is 3900 yards, and its effective range is 600 yards for accurate stopping power. There are several calibers the AR-15 can be chambered in, and each caliber will have a different effective range. Knowing the range of your rifle is critical information that will help you understand ..., The hotter loads in the 5.56 result in higher pressure levels of approximately 58,000 psi. For comparison, .223 cartridges are loaded to approximately 55,000 psi. Because of the difference in powder load and throat length, you should never use 5.56 NATO cartridges in a barrel designed for .223 Remington., That all has an impact on effective range. First, a 55 gr M193 style round fired from an 18” Mini 14 has a velocity right around 3000 fps. When zeroed at 275 yards, it will have a max mid range trajectory of 5” high at 155 yards and will be 5” low at 325 yards., The widespread popularity of the AR-15 platform made the .223/5.56 caliber insanely popular across the country. 308 vs 556: Cartridge Specs. 308 556; Bullet Diameter: 7.80 mm (0.308 in) ... This will help us understand the accuracy and maximum effective range characteristics..308. 24”barrel/BC 0.408/150 gr FMJ Boat-tail 24”barrel/BC 0.489 ...