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 Reloading
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223 Remington:
Written by: Kim Lockhart, Copyright.
223 Remington:
 The 223 Remington was introduced to the public as a commercial cartridge by Remington in January 1964 chambered in their Remington model 700 bolt action rifle. One month later in February 1964 this same cartridge was officially standardized by the U.S. military as the 5.56mm ball cartridge M193 and is used in ar15's, m16's and m4 autoloading rifles. Several years later this cartridge was accepted by NATO as the 5.56x45 NATO cartridge. Many years of testing and development were required to produce this cartridge, the actual name .223 Remington was given to this cartridge in 1959, prior to 1959 this cartridge was known as the .222 Special. The one point I would like to stress here is, military 5.56x45mm NATO cartridge ball ammo is loaded differently to work in only military rifles which have different chamber and throat dimensions than the commercial .223 Remington versions. Military Ball Ammo can cause higher pressures in 223 Remington commercial sporting rifles with shorter free bore area inside the barrel. Military chamber specification rifles will fire either .223 Remington or 5.56x45 NATO cartridges with no problems.

 The 223 Remington is one of the top varmint and predator rounds in the United States. With so many variations of rifle action types, rifling twist rates, surplus ammo, range brass, bulk bullets, the .223 Remington will remain at the top of the sales charts for a very long time. With so many states allowing .22 center-fire rifles for big game hunting, Winchester ammunition now produces .223 Remington Deer and Hog loadings with 64 grain bullets in their Power Core, Power Max, Power Point and Razorback loads. These loads seem to work more than adequately out to 100 yards for thin skinned big game animals such as whitetail deer which overall adds to the versatility of 223 Remington chambered rifles.

 223 Remington rifles have had a variety of twist rates put inside their barrels to the point of total aggravation for some users trying to figure out what ammunition loadings are best suited for their rifle. Here is a quick guide for bullet weights and rifling twist rates.
1 in 14" rifling twist rate = 35 grain bullets to 50 grain bullets.
1 in 12" rifling twist rate = 35 grain bullets to 55 grain bullets.
1 in 10" rifling twist rate = 40 grain bullets to 60 grain bullets.
1 in 9" rifling twist rate = 50 grain bullets to 70 grain bullets.
1 in 8" rifling twist rate = 60 grain bullets to 80 grain bullets.
1 in 7" rifling twist rate = 70 grain bullets to 90 grain bullets.

 The 223 Remington is a light recoiling cartridge, easy to reload and fun to shoot, just remember to use only commercial 223 Remington ammunition not 5.56 ball ammo, if using ball ammo make sure your rifle has been altered to military specifications.

Rifle Accuracy: Barrel Twist Rates, Barrel Break-In, Scope Mounting.

223 Remington Reloading Specifications:
Bullet Diameter = .224".
Maximum Case Length = 1.760".
Trimmed Case Length = 1.750".
Primer Size = Small Rifle.
Maximum Cartridge Overall Length = 2.260".

Rifle Cartridge Reloading,
Part 1:
Cartridges, Equipment, How To, Black Powder, Recoil.
Rifle Cartridge Reloading, Accuracy,
Part 2:
Accuracy, Brass, Primers, Powder, Bullets, Testing, Run-Out.

Reloading Data:
 For the Deer and Varmint hunter hand-loading or reloading his or her own 223 Remington ammunition, Western Powders, Accurate 2520 rifle powder does an impressive job of launching 60 grain .224" diameter bullets at high velocity. Accurates online reloading data shows that a 60 grain .224" diameter Nosler Partition bullet using 23.0 grains of Accurate 2520 powder can be driven to a velocity of 2,856 feet per second loaded at a maximum cartridge overall length of 2.205" in the 223 Remington. This load does not top out until the 60 grain bullet is at 3,121 feet per second at a chamber pressure of 54,500 PSI. For the 60 grain bullet reload if you sighted your 223 Remington hunting rifle in dead on at 210 yards it would only be 2 inches high at 125 yards and only 4.8 inches low at 275 yards which would be an excellent deer and varmint load.

223 Remington Load Data And Ballistics Table
Test Powder Used = Accurate 2520.
Test Bullet Used = Nosler - Partition - .224" Diameter.
Test Primer Used = Winchester - WSR.
Test Case Used = Winchester - 223 Remington.
Test Case Trimmed Length = 1.750".
Loaded Cartridge Overall Length = 2.205".
Test Barrel Length = 24".
Test Barrel Twist Rate = 1 in 12".
Nosler
Bullet
Weight
Grains
Nosler
Bullet
Sectional
Density
Nosler
Bullet
Ballistic
Coefficient
Powder
Start
Load
Grains
Start
Load
Velocity
Fps.
Powder
Maximum
Load
Grains
Maximum
Load
Velocity
Fps.
Maximum
Load
Pressure
P.S.I.
60 .171 .228 23.0 2,856 25.6 3,121 54,500
Short Range Ballistics Table For Above Load:
Recommended
Cartridge
Usage:
Bullet
Weight
Grains
Bullet
Ballistic
Coefficient
Muzzle
Velocity
Fps.
Muzzle
Energy
Ft. Lbs.
Rifle
Zero
100 Yds.
Bullet
Drop
200 Yds.
Bullet
Drop
250 Yds.
Predator 60 .228 3,121 1,296 0 - 3.3" - 7.3"
Long Range Ballistics Table For Above Load:
Bullet 100 yds. 200 yds. 300 yds. 400 yds. 500 yds. 600 yds. 700 yds.
Velocity Fps. 2,704 2,323 1,974 1,660 1,390 1,179 1,041
Energy Ft.lbs. 974 719 519 367 258 185 144
Trajectory + 1.7" 0 - 8.2" - 25.3" - 55.3" - 103.3" - 176.4"
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Factory Ammunition Ballistics:
 The below 223 Remington rifle ballistics table will give rifle cartridge bullet weight measured in grains, velocity measured in feet per second, energy measured in foot pounds, trajectory measured in inches and rifle recoil energy measured in foot pounds based on a fully loaded and scoped 8.5 pound, 24" barrel length rifle with scope mounted 1.5" above bore centerline.
Rifle Ballistics Table Compiled By: Kim Lockhart, Copyright.
223 Remington Factory Ammunition Ballistics Table
Centerfire Rifle Cartridge /
Cartridge Manufacturer;
BH=Black Hills, F=Federal,
H=Hornady, N=Nosler,
R=Remington, W=Winchester
Bullet
Weight
Grains
Bullet
Ballistic
Coefficient
Muzzle
Velocity
Fps.
Muzzle
Energy
Ft. lbs.
Recoil
Energy
Ft. lbs.
Rifle
Zero
100 Yds.
Bullet
Drop
200 Yds.
Bullet
Drop
300 Yds.
Bullet
Drop
400 Yds.
Bullet
Drop
500 Yds.
223 Remington / H 35 .177 4,000 1,243 2.30 0 - 1.6" - 7.8" - 20.6" - 43.6"
223 Remington / BH 36 .149 3,750 1,124 2.24 0 - 2.3" - 10.7" - 29.2" - 64.6"
223 Remington / H 40 .200 3,800 1,282 2.66 0 - 1.8" - 8.3" - 21.2" - 43.6"
223 Remington / F 43 .151 3,600 1,237 2.72 0 - 2.7" - 11.9" - 32.0" - 70.4"
223 Remington / W 45 .185 3,600 1,295 2.86 0 - 2.3" - 10.1" - 26.0" - 54.3"
223 Remington / W 50 .238 3,410 1,291 3.15 0 - 2.4" - 10.1" - 24.8" - 49.1"
223 Remington / N 52 .220 3,250 1,219 3.12 0 - 3.0" - 12.0" - 29.5" - 59.2"
223 Remington / H 53 .290 3,465 1,413 3.44 0 - 2.1" - 8.8" - 21.2" - 40.9"
223 Remington / H 55 .245 3,275 1,310 3.42 0 - 2.8" - 11.1" - 27.0" - 53.0"
223 Remington / H 60 .264 3,090 1,272 3.59 0 - 3.2" - 12.5" - 29.8" - 57.9"
223 Remington / F 62 .307 3,020 1,255 3.64 0 - 3.2" - 12.4" - 29.1" - 55.4"
223 Remington / W 64 .257 3,020 1,296 3.78 0 - 3.5" - 13.5" - 32.1" - 62.6"
223 Remington / BH 68 .355 2,850 1,227 3.79 0 - 3.7" - 13.7" - 31.5" - 58.9"
223 Remington / R 69 .336 3,000 1,379 4.24 0 - 3.2" - 12.2" - 28.4" - 53.5"
223 Remington / H 75 .395 2,930 1,429 4.56 0 - 3.3" - 12.3" - 28.2" - 52.3"
223 Remington / F 77 .372 2,720 1,265 4.30 0 - 4.2" - 15.2" - 34.6" - 64.3"
223 Remington Varmint Hunting Ballistics Table
Varmint Hunting:
 A rifle chambered for the 223 Remington cartridge is a good choice for varmint hunting when the correct ammunition is selected, the 35 grain bullet loading of Hornadys offers a very flat trajectory with good down-range bullet energy for hunting varmints such as crows, groundhogs, ground squirrels and prarie dogs. The below ballistics table was derived from a rifle barrel length of 24" with scope mounted 1.5" above bore centerline.
Rifle Ballistics Table Compiled By: Kim Lockhart, Copyright.
Hornady, Superformance, 223 Remington Ammunition:
Bullet Diameter:
.224".
Bullet Weight: 35 Grains.
Bullet Ballistic Coefficient: .177.
Bullet Muzzle Velocity: 4,000 Feet Per Second.
Bullet Muzzle Energy: 1,243 Foot Pounds.
Rifle Zero: 50 Yards.
Bullet 50
Yards
100
Yards
150
Yards
200
Yards
250
Yards
300
Yards
350
Yards
400
Yards
450
Yards
500
Yards
Velocity / Feet Per Second 3,663 3,353 3,065 2,796 2,542 2,302 2,075 1,861 1,663 1,483
Energy / Foot Pounds 1,043 874 730 607 502 412 334 269 215 171
Trajectory / Inches 0 + 0.8 + 0.9 0 - 1.9 - 5.3 - 10.2 - 17.2 - 26.8 - 39.4
223 Remington Predator Hunting Ballistics Table
Predator Hunting:
 A rifle chambered for the 223 Remington cartridge is a good choice for predator hunting when the correct ammunition is selected, the 53 grain bullet loading of Hornadys offers a flat trajectory with good down-range bullet energy for hunting predators such as bobcat, cougar, coyote and fox. The below ballistics table was derived from a rifle barrel length of 24", with scope mounted 1.5" above bore centerline.
Rifle Ballistics Table Compiled By: Kim Lockhart, Copyright.
Hornady, Superformance, 223 Remington Ammunition:
Bullet Diameter:
.224".
Bullet Weight: 53 Grains.
Bullet Ballistic Coefficient: .290.
Bullet Muzzle Velocity: 3,465 Feet Per Second.
Bullet Muzzle Energy: 1,413 Foot Pounds.
Rifle Zero: 50 Yards.
Bullet 50
Yards
100
Yards
150
Yards
200
Yards
250
Yards
300
Yards
350
Yards
400
Yards
450
Yards
500
Yards
Velocity / Feet Per Second 3,281 3,106 2,938 2,776 2,620 2,470 2,324 2,183 2,047 1,916
Energy / Foot Pounds 1,267 1,135 1,016 907 808 718 636 561 493 432
Trajectory / Inches 0 + 0.7 + 0.5 - 0.8 - 3.1 - 6.7 - 11.8 - 18.5 - 26.9 - 37.5
223 Remington Deer Hunting Ballistics Table
Deer Hunting:
 A rifle chambered for the 223 Remington cartridge is capable of deer hunting when the correct ammunition is selected, the 64 grain bullet loading of Winchesters offers a good trajectory with good down-range bullet energy for various larger animals such as antelope, blacktail deer, hogs, javelina, mule deer, whitetail deer and wild pigs. The below ballistics table was derived from a rifle barrel length of 24", with scope mounted 1.5" above bore centerline.
Rifle Ballistics Table Compiled By: Kim Lockhart, Copyright.
Winchester, Power Point, 223 Remington Ammunition:
Bullet Diameter:
.224".
Bullet Weight: 64 Grains.
Bullet Ballistic Coefficient: .257.
Bullet Muzzle Velocity: 3,020 Feet Per Second.
Bullet Muzzle Energy: 1,296 Foot Pounds.
Rifle Zero: 50 Yards.
Bullet 50
Yards
100
Yards
150
Yards
200
Yards
250
Yards
300
Yards
350
Yards
400
Yards
450
Yards
500
Yards
Velocity / Feet Per Second 2,834 2,656 2,485 2,320 2,162 2,009 1,864 1,725 1,595 1,474
Energy / Foot Pounds 1,141 1,003 878 765 664 574 494 423 362 309
Trajectory / Inches 0 + 0.4 - 0.4 - 2.7 - 6.5 - 12.2 - 20.1 - 30.5 - 43.8 - 60.5
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