It does make me slightly nervous as far as squibs, but given our known velocity at 3.1 is high, I think I’ll be ok. No way I’m getting 60 fps more out of a barrel 10 inches shorter. This is why I can’t imagine the data from Hodgdon is out of a 24” barrel. We got supersonic loads from subsonic data, and I’m shooting a 14.5” barrel. Gun didn’t even begin to cycle as expected. I was shocked at how relatively good the SD was given the case fill. The speed of sound given my environmental factors is 1,106. The very best subsonic 223 load for any of these rifles is a. Now, the interesting part: these clearly were not subsonic. 951 Subsonic loads for 222 Rem/ 223 Remington I have perfected casting NOE 37 grain Plain. Accuracy was surprisingly good at about an inch. 951 Subsonic loads for 222 Rem/ 223 Remington I have perfected casting NOE 37 grain Plain. I shot three at 25 yards without a suppressor to make sure they were flying straight and I wouldn’t get a baffle strike. The very best subsonic 223 load for any of these rifles is a. The specific subsonic loads document does not list barrel length. They say it’s out of a 24” barrel, but I’m thinking that’s a generic number for the rifle data and is not accurate for this load. This is published load data on Hodgdon’s website. Quick info: 3.1 gr Titegroup under 55 gr FMJ 2.200” OAL.
#Loading subsonic 223 update
There were enough people wanting an update on my post yesterday that I wanted to give a follow-up and results. If you’re interested in using reddit for self-promotion check out our Official Spam Policy. Other Subreddits you may be interested in: This unfortunately includes reloading components like brass, and projectiles. Due to reddit policies all posts selling, trading, or buying ammunition are forbidden. If you'd like to post reloading equipment for sale, for trade, or a request for something you'd like to buy please put, , or respectively, at the beginning of your title. R/Reloading discord join us for supplies and helpful conversation: Https://discord.gg/reloading Posts titled " Help! New Reloader." will have less responses than a post titled like "Questions about crimp for. Please make sure you title is relevant to the specific question you are asking. Yet for subsonic use stability should always be test fired.Remember, if you post a picture, make sure to provides some context. There are of cource exceptions but if the formula shows SG below 2 then the bullet is probably not even worth testing. Charge weight in grams and grains as well as muzzle velocity in meters and feet per second. Atomic 00429 Rifle Subsonic 223 Rem 77 gr Hollow Point Boat. However experience has shown that when using abovementioned calculator SG:s higher than 2 are usually stable for subsonic speeds at least for short ranges. 223 subsonic ammo that cycles Remington Subsonic Loads (Hodgdon data) reloading data with 3.
For more accurate stability calculation you actually need to use different approximation formula and consider dynamic stability also.
It's just for estimating gyroscopic stability factor for supersonic speeds. You can use this calculator to estimate which bullets would be stable: So use of some kind of lubricant is recommended. Yeah, that's pretty short but not short enough that jacket bullets wouldn't slow down in the barrel. It's easier to get low velocity spread with lead bullets but those are not usually as accurate as jacketed ones.Īs HJu suggested 22 lr. Don't even consider using jacket bullets with long barrel but if your barrel is short you could do with coatings like moly etc. However muzzle velocity variation is going to be the problem with jacketed bullets. N32C is probably the best powder there is for that purpose. A 22lr rimfire rifle is a much more usefull idea in this caliber class. The listed maximum loads should never be exceeded.223 Remington. Avoin Keskustelu > Ballistiikka ja jälleenlataus All the rifle loads on these pages are pressure tested according to the C.I.P.
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