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223 Remington:
Centerfire Rifle Cartridges
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 223 Remington is one of the top varmint and predator rounds in the United States. The 223 Remington is a light recoiling cartridge, easy to reload and fun to shoot and 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" caliber centerfire rifle cartridges 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 Rifle Barrel Specifications:
Bore Twist Rate - 223 Remington rifles have had a variety of twist rates put inside their barrels, here is a quick guide for bullet weights that are compatible with 223 Rem. rifle 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.
Bore Groove Diameter - .224"

223 Remington Cartridge Case Dimensions:
Neck Diameter - .253".
Shoulder Diameter - .354".
Base Diameter - .376".
Rim Diameter - .378".

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".

223 Remington Reloading Data:
 For the Predator 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 Predator load.
223 Remington / Reloading

223 Remington Factory Ammunition:
 The below table will give rifle cartridge manufacturer, bullet weight measured in grains, bullet velocity measured in feet per second, bullet energy measured in foot pounds and rifle recoil energy measured in foot pounds based on a fully loaded and scoped 8.5 pound, 24" barrel length rifle.

Centerfire Rifle Cartridge /
Cartridge Manufacturer;
BH=Black Hills, F=Federal,
H=Hornady, N=Nosler,
R=Remington, W=Winchester
Bullet
Weight
Grains
Bullet
Ballistic
Coefficient
Bullet
Muzzle
Velocity
Fps.
Bullet
Muzzle
Energy
Ft. lbs.
Rifle
Recoil
Energy
Ft. lbs.
223 Remington / H 35 .177 4,000 1,243 2.30
223 Remington / BH 36 .149 3,750 1,124 2.24
223 Remington / H 40 .200 3,800 1,282 2.66
223 Remington / F 43 .151 3,600 1,237 2.72
223 Remington / W 45 .185 3,600 1,295 2.86
223 Remington / W 50 .238 3,410 1,291 3.15
223 Remington / N 52 .220 3,250 1,219 3.12
223 Remington / H 53 .290 3,465 1,413 3.44
223 Remington / H 55 .245 3,275 1,310 3.42
223 Remington / H 60 .264 3,090 1,272 3.59
223 Remington / F 62 .307 3,020 1,255 3.64
223 Remington / W 64 .257 3,020 1,296 3.78
223 Remington / BH 68 .355 2,850 1,227 3.79
223 Remington / R 69 .336 3,000 1,379 4.24
223 Remington / H 75 .395 2,930 1,429 4.56
223 Remington / F 77 .372 2,720 1,265 4.30
223 Remington / Hunting & Ballistics

223 Remington And Predator Hunting:
Predators Include: Bobcat, Cougar And Coyote.
These animals can be somewhat small and offer about an two inch target zone, for a correct rifle sight-in, a one inch mid-range is required for minimum bullet trajectory effect.
For this size animal, I prefer 360 foot pounds of bullet energy.

223 Remington Hunting Ammunition:
Ammuntion: Winchester 223 Remington Power Point 64 Grain.
Bullet Diameter: .224 Inch.
Bullet Weight: 64 Grains.
Bullet Ballistic Coeffecient: .257.
Rifle Barrel Length: 24 Inches.
Rifle scope mounted 1.8 inches above bore center-line.
Rifle bullet trajectory set at 1 inch mid-range rise.
Rifle true zero is 172 Yards.
Maximum point blank range is 195 yards.
Note: (FPS. = Feet Per Second.) (IN. = Inches.) (FT. LBS. = Foot Pounds.)
Range
Muzzle
100 yds.
200 yds.
300 yds.
400 yds.
500 yds.
Bullet Velocity / FPS.:
3,020
2,656
2,320
2,009
1,729
1,474
Bullet Trajectory / IN.:
- 1.8"
+ 1.0"
- 1.2"
- 9.9"
- 27.3"
- 56.4"
Bullet Energy / FT. LBS.:
1,296
1,003
765
574
423
309
Predators:
+
+
+
+
+
+

223 Remington And Varmint Hunting:
Varmints Include: Crows, Groundhogs, Foxes, Ground Squirrels And Prarie Dogs. These animals can be very small and offer about an inch target zone, for a correct rifle sight-in, a 1/2 inch mid-range is required for minimum bullet trajectory effect.
For this size animal, I prefer 100 foot pounds of bullet energy.

223 Remington Hunting Ammunition:
Ammuntion: Hornady 223 Remington Superformace 35 Grain.
Bullet Diameter: .224 Inch.
Bullet Weight: 35 Grains.
Bullet Ballistic Coeffecient: .177.
Rifle Barrel Length: 24 Inches.
Rifle scope mounted 1.8 inches above bore center-line.
Rifle bullet trajectory set at 1/2 inch mid-range rise.
Rifle true zero is 175 Yards.
Maximum point blank range is 196 yards.
Note: (FPS. = Feet Per Second.) (IN. = Inches.) (FT. LBS. = Foot Pounds.)
Range
Muzzle
100 yds.
200 yds.
300 yds.
400 yds.
500 yds.
Bullet Velocity / FPS.:
4,000
3,353
2,796
2,302
1,861
1,483
Bullet Trajectory / IN.:
- 1.8"
+ 0.4"
- 0.6"
- 6.1"
- 18.2"
- 40.6"
Bullet Energy / FT. LBS.:
1,243
874
607
412
269
171
Predators:
+
+
+
+
+
+

Directory:
Rifles
Rifle Ammunition
Rifle Dies
Rifle Brass
Rifle Bullets
Remington Arms Company, Inc., Remington 870, Remington Model 700, 17 Remington, 222 Remington, 223 Remington, 22-250 Remington, 6mm Remington, 25-06 Remington, 260 Remington, 6.5mm Remington Magnum, 6.8mm Remington SPC, 280 Remington, 7mm Remington Magnum.
Centerfire Rifle Cartridges, 17 Rem., 204 Ruger, 22 Hornet, 222 Rem., 223 Rem., 22-250 Rem., 220 Swift, 223 WSSM, 243 Win., 6mm Rem., 243 WSSM,
240 Wby. Mag., 250 Sav., 257 Roberts, 25 WSSM, 25-06, 257 Wby. Mag., 6.5 x 55mm, 260 Rem., 6.5mm Rem. Mag., 264 Win. Mag., 6.8 Rem., 270 Win.,
270 WSM, 270 Wby. Mag., 280 Rem.,7mm Rem. Mag., 7mm WSM, 30-30 Win., 308 Win., 30-06, 300 Win. Mag., 300 WSM, 300 Wby. Mag., 325 WSM,
340 Wby. Mag., 357 Mag., 44 Mag., 45-70.