.223 and .224 question???

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I'm looking at reloading .223. But I can't find .223 projectiles. I can find .224 but I would like to know if you can use .224 in .223 case. please forgive the n00b question :confused:
 
I think the .1 difference is to ensure it properly engages the rifling in the barrel. But yeah, it really threw me off when I started loading 223.
 
The difference is small, but it is there.

Sierra, for instance, sells its Varminter line in both .223 and .224. The fact that both sizes are selling is an indication that: a) there are a lot of gullible people out there or b) there's a difference in performance. Now, to be sure, both are correct, but I'd go with (b) if I had to make a decision.

Where are you looking for bullets?
 
I asked the same question also.



  • .172" - .17 HMR
  • .223" - .22 Short, Long, Long Rifle
  • .224" - .22 WMR, .222 Remington, .223 Remington, .22-250 Varminter, .223 WSSM
  • .243" - .243 Winchester, 6mm Remington, .243 WSSM, .240 Wby. Mag.
  • .257" - .25-06, .257 Wby. Mag.
  • .264" - 6.5x55, .260 Remington, .264 Win. Mag.
  • .277" - .270 Winchester, .270 WSM, .270 Wby. Mag.
  • .284" - 7mm-08 Remington, 7x57 Mauser, .280 Remington, 7mm Mag. (all)
  • .308" - .30 Carbine, .30-30, .300 Savage, .308 Winchester, .30-06, .300 Mag. (all)
  • .311" - 7.62x39 Soviet, .303 British
  • .321" - .32 Winchester Special
  • .323" - 8x57JS Mauser
  • .338" - .338-57 O'Connor, .338 Mag. (all), .340 Wby. Mag.
  • .358" - .357 Magnum, .35 Remington, .35 Whelen, .350 Rem. Mag.
  • .375" - .375 Mag. (all), .378 Wby. Mag.
  • .416" - .416 Rigby, .416 Rem. Mag., .416 Wby. Mag.
  • .429" - .44 Rem. Mag., .444 Marlin
  • .458" - .45-70, .450 Marlin, .458 Win. Mag., .460 Wby. Mag.
 
The difference is small, but it is there.

Sierra, for instance, sells its Varminter line in both .223 and .224. The fact that both sizes are selling is an indication that: a) there are a lot of gullible people out there or b) there's a difference in performance. Now, to be sure, both are correct, but I'd go with (b) if I had to make a decision.

Where are you looking for bullets?

No. They sell the two sizes because some of the older 22 center fire rifles were made with a .223 diameter bore rather than the industry standard .224 bore size that is common now. Mostly this shows up in 22 Hornets, but there are others. They shoot better with the correct size bullets. Sometimes. Some of the older guns shoot just fine with 'wrong' sized bullets. And to add to the joy, the .22 Savage High Power uses a .227"or .228" bullet. What happiness!
CZ still put .223" barrels on their Hornets, and as far as I know, nobody factory loads .223" dia bullets for them. It does not seem to bother CZ. Ruger made a bunch of their guns with barrels smaller than the standard diameter too, Mini30's with .308" barrels instead of .313 or so that the 7.62x39 is supposed to have.


Stevebot, the difference is .001" (one one thousandth of an inch), not .1 (one tenth of an inch).

So, to the OP, buy the .224 dia bullets to reload your .223 Remington cartridge. And do some reading through the various sources of info on cartridges, and you will find that there are huge variations in what the cartridge is called, vs. what size bullet it actually takes. Like the .303 British, which takes a .311 inch bullet, and almost all the 30 and 300 calibers taking .308" bullets (but not all of them, IIRC).
But your reloading manual should have that info. You have a reloading manual, right? :)

Cheers
Trev
 
If you check out the load data in a recognized source they'll give you the actual bullet diameter for the cartridge. Being noob is okay, just take the time to read a good manual (or two) go slow, don't take any chances or make any assumptions and ask questions when you have them.

Good luck, have fun!
 
Even the 225Winchester uses the 224 bullet. The name of a cartridge is just a name. it only has a vague relationship to dimensions.

if you study the history of the names, there is usually a rational for it, but to a newbie, ignore the name and look in the book.
 
hate that! why name it .303 in the 1st place?!?!?

.303" is the land diameter. The groove/bullet diameter is .311". This is the same reason that .30 calibre bullets are actually .308" or .270 bullets are actually .277".

Metric calibre designations also typically use land diameter. For example, 7mm works out to .276", but bullets are .284".
 
.303" is the land diameter. The groove/bullet diameter is .311". This is the same reason that .30 calibre bullets are actually .308" or .270 bullets are actually .277".

Metric calibre designations also typically use land diameter. For example, 7mm works out to .276", but bullets are .284".

thank you! learn something new everyday
 
trevj - Quite right and thanks for catching that. I was too close the the trees to notice the obvious forest.
 
I asked the same question also.



  • .172" - .17 HMR
  • .223" - .22 Short, Long, Long Rifle
  • .224" - .22 WMR, .222 Remington, .223 Remington, .22-250 Varminter, .223 WSSM
  • .243" - .243 Winchester, 6mm Remington, .243 WSSM, .240 Wby. Mag.
  • .257" - .25-06, .257 Wby. Mag.
  • .264" - 6.5x55, .260 Remington, .264 Win. Mag.
  • .277" - .270 Winchester, .270 WSM, .270 Wby. Mag.
  • .284" - 7mm-08 Remington, 7x57 Mauser, .280 Remington, 7mm Mag. (all)
  • .308" - .30 Carbine, .30-30, .300 Savage, .308 Winchester, .30-06, .300 Mag. (all)
  • .311" - 7.62x39 Soviet, .303 British
  • .321" - .32 Winchester Special
  • .323" - 8x57JS Mauser
  • .338" - .338-57 O'Connor, .338 Mag. (all), .340 Wby. Mag.
  • .358" - .357 Magnum, .35 Remington, .35 Whelen, .350 Rem. Mag.
  • .375" - .375 Mag. (all), .378 Wby. Mag.
  • .416" - .416 Rigby, .416 Rem. Mag., .416 Wby. Mag.
  • .429" - .44 Rem. Mag., .444 Marlin
  • .458" - .45-70, .450 Marlin, .458 Win. Mag., .460 Wby. Mag.

You're missing quite a few sizes. To name just a few the ones that come instantly to mind is the .204 Ruger (204), .22 Savage (.228), .348 Winchester (.348), .44-40 (.427)
 
hate that! why name it .303 in the 1st place?!?!?

A lot of cartridges are named by their bore diameter, and others by their groove diameter. Some don't even come close (.38 Special is .357). And many are named for several other reasons. Like the year they were made (30-06), or the grains of black powder (30-30). Some should be slugged to check the true groove diameter as is the case with many older military guns (like ones chambered for the 7.62x54R). Confusing to many newbies.
 
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