Not sure how police will feel about that here in Australia. Therefore Armalite AR-10 rifles must use barrels designated for the Armalite AR-10 and vice versa. The AR-10 is longer to allow the larger bcg to make the distance. | Privacy Armalite use two different magazine types. The .308 is a little on the light side for moose and grizzly/brown bear, but it will work in a pinch with proper shot placement. The .308 uses a bullet of .308″ diameter, the .303 uses a bullet of .311″ diameter. But if we’re to be honest with each other, I think we can agree that the standard mil-spec trigger kind of sucks. Indeed, the typical .308 Winchester load still has as much or more energy remaining at 400-500 yards as the .223 Remington does at the muzzle. I want the .308 for the power but the .223 for the cost to run and lack of recoil. That being said, the advent of better quality bullets has made the .223 Remington a much more effective big game hunting than it used to be. That being said, not only does the .223 Rem have a flatter trajectory at short range, but it recoils a whole lot less than the .308 Winchester. The M855A1 load uses a lead free 62 grain bullet made from copper alloy with a steel penetrator. However, the .308 Winchester is by far the most widely used. Now as for receiver extension tubes… (this is mostly for ArmaLite rifles) There are 3, I say again… 3… I spell t h r e e different size receiver extension tubes. Not to be outdone Mega Arms also has their own version of the G2. 300 Blackout vs 308 The difference in size between .308 Winchester and 300 AAC Blackout is apparent. Before we get started, I have two administrative notes for you. Glad you enjoyed it Richard! 7.62×39 vs 308 vs 7.62x54R: Ammunition Selection. Indeed, the .223 Remington and .308 Winchester rank right up there with the .270 Winchester and .30-06 Springfield at the top of the list of the most popular centerfire rifle cartridges in the United States. The AR-10 has it's place too and the recoil can be tamed a bit more with the proper muzzle device and upgraded buffer w/ spring. This load had virtually the same ballistics as the original .30-06 Springfield load (150 grain bullet at 2,700 feet per second), but due to advances in powder technology, the 7.62x51mm cartridge achieved that same level of performance while using a much shorter case (51mm vs 63mm). Make sure you follow The Big Game Hunting Blog on Facebook, Instagram, Twitter, and YouTube. There are also a number of quality choices for match ammunition for both cartridges. It was a pleasurable and rewarding effort. Anything 308 related is massively bigger than AR-15. Both cartridges are also extremely accurate and have seen extensive use in the hands of military and police snipers and designated marksmen as well as competition shooters. When this site first started back in 2006 or so we mostly had to contend with three different 308 AR platforms. There are simply too many .308 AR/AR-10 brands and model variations for us to know every detail. .243 vs 308, anyone? The table below compares the 55gr Winchester Varmint X (.255 BC), 62gr Barnes TSX BT (.314 BC), and 64gr Winchester Deer Season XP (.282 BC) loads in .223 Remington to 150gr Winchester Deer Season XP (.392 BC), 168gr Barnes TTSX (.470 BC), and 180gr Winchester Power Point (.382 BC) loads in .308 Winchester, there is a pretty sizable difference in the ballistics and kinetic energy of each cartridge. The carbine receiver extension tubes are different. Each cartridge has also been used extensively by military forces all over the world, including the US Military and the armed forces of many other NATO members. AR-10 308 AR Compatibility Reference Guide – Note this page will be a work in progress. | The Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca, Amazon.com.au, and other Amazon stores worldwide.

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