.223 SUBSONIC HANDLOADS PDF
.223 SUBSONIC HANDLOADS UPDATE

Having a high BC bullet at subsonic does not benefit the shooter at all. greetings given to Remington’s 223, when it was unveiled as the 5.56mm in the AR-15/M16 rifle. Subsonic 223 Reloading Data R primed casings with the 55gr LEE boolit for. BC (ballistic coefficient) is for supersonic flight, and does not matter at subsonic speeds. This allows the 75 grain HP flat base to be more stable and have the potential to be more accurate at subsonic speeds than a BTHP design that makes the bullet longer, requiring more twist rate to stabilize it. The 75 grain Sierra HP flat base is a much shorter bullet than a similar weight BTHP bullet, or a 100+ grain SP or HP bullet. In a given 243 Win twist rate (like a 1:10″ barrel twist) and slow subsonic speeds, a shorter, flat base bullet is more stable than a longer BTHP match bullet is. Sorry I dont have any subsonic loads for the Hornet. I cant seem to get Trail Boss in my area so thats why I went with Unique. 224 inch COAL: 2.200 inches: Be Alert: Publisher cannot be responsible for errors in published load data. I know that they are larger in water capacity than the 22 hornet so you should use a much smaller charge, especially for subsonic. Bullet length is a major factor in how stable a bullet is in a certain twist rate. .223 Remington Subsonic Loads (Hodgdon data) Warning Case: Winchester Twist: 1:12 inches Barrel: 24 inches Trim: 1.750 inches Primer: Winchester SR, Small Rifle Diameter. 243″ bullet to fully stabilize at subsonic speeds in a given twist rate, bullet stability becomes a huge factor for it to stabilize and shoot well.

Why use a 75 grain HP bullet? Most 243 Win barrels will have a 1:10″ twist barrel, with some having a 1:9″ twist or faster. This is with new Winchester nickel brass and Barnes 72 grain HP bullet. 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.New!! By request, I recently developed a 243 Winchester SUBSONIC round shooting the 72 grain Barnes HP at 1030 fps in 22″ barrel. 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.

.223 SUBSONIC HANDLOADS PDF

6.5 Creedmoor 130gr CX PDF 6.5 PRC 130gr CX PDF 6. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. We got supersonic loads from subsonic data, and I’m shooting a 14.5” barrel. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. 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. Now, the interesting part: these clearly were not subsonic. Accuracy was surprisingly good at about an inch. 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 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.

.223 SUBSONIC HANDLOADS UPDATE

There were enough people wanting an update on my post yesterday that I wanted to give a follow-up and results. In contrast, a typical rifle that fires a. If you’re interested in using reddit for self-promotion check out our Official Spam Policy. 223 caliber cartridge has a rifle twist rate of one turn in 9 inches, which is a relatively moderate twist rate. 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. 223 ammo 24391 Views 5 Replies 4 Participants Last post by Matchking Man, Jump to Latest Matchking Man Discussion starter To accomplish this, you need to get some extremely fast burning powder like titewad or tight group shotgun powder. Remember, if you post a picture, make sure to provides some context.

.223 subsonic handloads