223 ammo (or any subsonic rifle ammo in general) is what you will be shooting it out of. The first question you need to answer about subsonic. Pigtail Gas Tube – Attempts at Reliable Cycling Reducing noise is good for yourself and makes good neighbors, thus the impetus of the Hearing Protection Act and why suppressors are in common use and readily available to shooters in Europe. Where subsonic ammo comes into play is taking this down even more and getting rid of the secondary supersonic crack from the bullet. A good suppressor can get that down to 135 dB, below the impact noise threshold the Navy beat into my head years ago from NAVOSH 5100.19. With a typical 16-inch barreled AR-15/M16 delivering a 167 dB sound pressure level at the muzzle (depending on environmental conditions) with M193 55-gr FMJBT round, we are already exceeding the 140 dB impact noise threshold for hearing conservation. While we may only be talking 2-3 dB improvement changing from supersonic to subsonic ammo, remember that the decibel scale is logarithmic, so every 3 dB change represents doubling or halving the energy of the reference. A typical “can” (slang for suppressor) may have a 32 dB rating (maybe even 38 or more if it has a wet rating as well, where the suppressor/silencer is designed to be oiled before shooting). It’s a segment of the shooting community that talks in dB (decibels) and how much average noise reduction they’re achieving. 223 or 5.56 ammo often comes from the NFA community-those shooters and collectors who are using a suppressor (although the term silencer is even used in the industry, it’s an inaccurate term for what it does) and are looking for that much more of an edge to be even quieter. Like many things ammo, there are almost as many opinions as there are varieties of ammo and the ammo that is apparently out there in the market is vaporware. Electronic Bookĭownload the Reloading Handbook as an Apple® iBook or get it on your Kindle®.I occasionally see requests for. Purchase this hard-bound book and get reloading results. This invaluable resource has over 1000 pages of data on all Hornady bullets. Reloading data is available as low as 99¢ per cartridge or purchase a subscription and receive new data before the next edition of the book is printed. Plus you can save favorites, add notes and more. Like the bound and eBook versions, the Hornady® Reloading App provides all the information needed to successfully reload a variety of rifle and handgun cartridges. Learn More about Obsolete reloading data Handbook ErrataĮrrata pages are available for several past publications of our Handbook of Cartridge Reloading.Ĭheck out the Handbook Errata Three ways to get the Hornady Handbook of Cartridge Reloading. Obsolete reloading data that has been retired from our Handbook of Cartridge Reloading is available. Find information from previous Handbook editions, with reloading data for seldom-used cartridges that Hornady will no longer be developing. 45-70 Government (Ruger #1) 410gr Sub-X īasic Pistol Data Basic Rifle Data Load Data Sources Obsolete reloading data.45-70 Government (Trap Door) 410gr Sub-X.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. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. Below you’ll find some basic data for each cartridge to help get you started. Reloading data is available as low as 99¢ per cartridge or as a subscription for $19.99. Plus, you can save favorites, add notes and more. Like the bound and eBook versions, the Hornady Reloading App provides all the information needed to successfully reload a variety of rifle and handgun cartridges. Hornady develops and publishes reloading data for the Handbook of Cartridge Reloading and makes it available in three ways: the traditional hardcover book, an e-book on Apple iBook or on your Kindle, and on the Hornady Reloading App.
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