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1-d.gif - 1035 Bytes243 Winchester: Winchester Model 70 Rifles, Rifles & Accuracy, Reloading,
Rifles & Ballistics, Hornady, Winchester, Remington, Hunting & Ballistics.
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Ballistics
Gunsmithing
Reloading
Shooting
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243 Winchester Reloading:

243 Winchester Reloading Specifications:
Bullet Diameter = .243".
Maximum Case Length = 2.045".
Trimmed Case Length = 2.035".
Primer Size = Large Rifle.
Maximum Cartridge Overall Length = 2.710".

Reloading Guide:
Centerfire Rifle Cartridges
Reloading Equipment Guide
Procedure Guide.
Accuracy
Brass
Primers
Powder
Bullets
Load Testing
Run-Out

Load Data:
 For the Antelope, Hog, Blacktail, Whitetail or Mule Deer hunter hand-loading or reloading his or her own 243 Winchester ammunition, Accurates Magpro rifle powder does an impressive job of launching 100 grain .243" diameter bullets at high velocity. Accurates online reloading data shows that a 100 grain .243 diameter Sierra Boat-Tail Gameking bullet using 45.2 grains of Magpro powder can be driven to a velocity of 2,861 feet per second, loaded at a maximum length of 2.650". This load does not top out until the 100 grain bullet is at 3,107 feet per second in the 243 Winchester at a chamber pressure of 59,880 PSI.

 For the 100 grain bullet reload if you sighted your 243 Winchester deer rifle in dead on at 225 yards it would only be 2 inches high at 150 yards and only 2.9 inches low at 275 yards which would be an excellent deer load, this load still produces enough bullet energy at 350 yards to take deer with a remaining bullet energy of 1,235 foot pounds.

243 Winchester Load Data:
Test Powder Used = Accurate Magpro.
Test Bullet Used = Sierra / Type = Boat-Tail Spire Point / Brand = Gameking / Diameter = .243".
Test Primer Used = Remington 9 1/2.
Test Case Used = Winchester.
Test Case Trimmed Length = 2.035".
Loaded Cartridge Overall Length = 2.650".
Test Barrel Length = 24".
Test Barrel Twist Rate = 1 in 10".
Sierra
Bullet
Weight
Grains
Sierra
Bullet
Sectional
Density
Sierra
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.
100 .242 .430 45.2 2,861 50.2 3,107 59,880
Short Range Ballistics Chart 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.
Deer 100 .430 3,107 2,143 0 - 2.7" - 5.8"
Long Range Ballistics Chart For Above Load:
Range: 100 yds. 200 yds. 300 yds. 400 yds. 500 yds. 600 yds. 700 yds.
Velocity Fps. 2,881 2,667 2,463 2,268 2,082 1,904 1,737
Energy Ft.Lbs. 1,843 1,580 1,347 1,142 962 805 670
Trajectory: + 1.4" 0 - 6.3" - 18.2" - 37.0" - 63.8" - 100.3"
Maximum Effective Range For Thin Skinned Big Game: 350 Yards.
Maximum Effective Range For Predators And Varmints: 700 Yards.

Online Reloading Data References:
Hodgdon Reloading Data Center: The reloading data information displayed on this site, including ballistic data, was derived from tightly controlled laboratory conditions, by ballisticians and expert handloaders. Lists pressure test results as well. Data for Hodgdon Rifle Powder, IMR Rifle Powder & Winchester Rifle Powder.

Accurate Reloading Data Center: The reloading data information displayed on this site, including ballistic data, was derived from tightly controlled laboratory conditions, by ballisticians and expert handloaders. Lists pressure test results as well. Accurate is an exclusive brand of Western Powders Incorporated.

Ramshot Reloading Data Center: The reloading data information displayed on this site, including ballistic data, was derived from tightly controlled laboratory conditions, by ballisticians and expert handloaders. Lists pressure test results as well. Ramshot is an exclusive brand of Western Powders Incorporated.











Centerfire Rifle Caliber Ballistics - .17" - .20" - .22" - .24" - .25" - .26" - .27" - .28" - .30" - .31" - .32" - .33" - .35" - .37" - .41" - .43" - .45" - .51".
223 Rem., 243 Win., 25-06 Rem., 6.5 x 55mm, 270 Win., 7mm Rem. Mag., 30-30 Win., 308 Win., 30-06, 300 Win. Mag..
Reloading - Equipment - How To - Accuracy - Brass - Primers - Powder - Bullets - Load Testing - Run-Out.
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 Rem., 257 Wby. Mag., 6.5 x 55mm, 260 Rem., 6.5mm Rem. Mag., 264 Win. Mag., 6.8 Rem.SPC, 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 Government.