300blackoutarrifle.com 300 Blackout AR Rifle - Development

Title: 300 Blackout AR Rifle - Development
Keywords: 300 Blackout, 300 AAC, 300 Blackout retailers,300 AAC Blackout, 300 Blackout Ammo, 300 Blackout rifles, 300 round, supressed AR, 300 Blackout Suppressed
Description: Site for the 300 Blackout AR rifle cartridge for answering questions building a rifle to fire the 300 AAC Blackout and how it evoilved into a better round than the 5.56
300blackoutarrifle.com is ranked 19389135 in the world (amongst the 40 million domains). A low-numbered rank means that this website gets lots of visitors. This site is relatively popular among users in the united states. It gets 50% of its traffic from the united states .This site is estimated to be worth $5,732. This site has a low Pagerank(0/10). It has 1 backlinks. 300blackoutarrifle.com has 43% seo score.

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Alexa Rank: 19389135
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300blackoutarrifle.com Traffic & Earnings

Purchase/Sale Value: $5,732
Daily Revenue: $15
Monthly Revenue $471
Yearly Revenue: $5,732
Daily Unique Visitors 1,445
Monthly Unique Visitors: 43,350
Yearly Unique Visitors: 527,425

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300blackoutarrifle.com Keywords accounting

Keyword Count Percentage
300 Blackout 5 0.61%
300 AAC 4 0.28%
300 Blackout retailers 0 0.00%
300 AAC Blackout 4 0.65%
300 Blackout Ammo 0 0.00%
300 Blackout rifles 0 0.00%
300 round 0 0.00%
supressed AR 0 0.00%
300 Blackout Suppressed 0 0.00%

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300 Blackout AR Rifle - Development 300 Blackout AR Rifle Development Performance Ammo/ Retailers Your 300 Blackout Rifle Moving the AR Forward Contact Us Evolution of the Combat Rifle and How the 300 AAC Blackout Fits There was a time when men would stand in neat rows and blast volley after volley into each other at a 100 paces. The rifles and equipment developed for it reflected the tactics and techniques that were prevalent for the period. Likewise, the 5.56 was meant for fighting communist from the jungles of Vietnam to snows of Siberia in maneuver warfare by state-sponsored soldiers. The 5.56x45 55gr NATO round was developed for a combat situation that is no longer based on present reality. Today's battlefield is a conglomerate of religious fanatics, state-sponsored terrorism, non-state soldiers, and an all encompassing battlefield. The popularity of the AR platform for self-defense and sporting purposes by the civilian population has driven the evolution over the last decade. News trickling back from the desert wars had highlighted the weaknesses of both the rifle and the round it shoots. While the AR style rifle is a good design there is some definite room for improvement. Unfortunately the 5.56x45 is at its heart a varmint round that is ill-suited for anything else. The low-recoil and excellent range just cannot outshine the poor battlefield performance. There is nothing more disheartening to see than to have someone you have just shot four times stare at you with a confused look on their face instead of just dying. I hate the 5.56. While the military was busy telling us how effective the round was they were busy trying to fix the problems with the round itself using new production techniques and materials and introducing them into the supply chain as an improved combat round. The prolonged shooting of sustained firefights had also caused some issues in the Direct-Gas Impingement firing system causing failure-to-function issues. The need to use lubricant in an M-4 rifle also is problematic in dust-filled areas. The dust in many parts of Iraq was closer to talcum powder or moon-dust than sand. The stuff was getting into everything and gummed up everything is touched that had lube on it. While an AK had little problems with it the AR rifles were much less forgiving The AK47 round in comparison is just nasty when it hits people. The damage that round inflicts is monumentally more effective than what we are presently carrying. The 7.62x39 has some issues with long range shooting but outside of marksmen, snipers, and the Marine Corps nobody really trains to shoot anything outside of the AK47 range anyway. I believe the average shot in Iraq was around 100-150 yards. So the trick is developing a round that uses AK battlefield performance while maintaining the long range ballistics of the 5.56 in the AR platform that everyone knows and loves already. So far the 300 Blackout, 6.5 Grendel, and 6.8 SPC rounds have come the closest to delivering. I went with the 300 out of simplicity. I just change barrels or at most an upper receiver. I can still use all the same magazines and bolt carrier groups. The others require more change and when i find an empty mag somewhere i don't want to wonder if it has a follower for a 5.56 or something else in it. Development of the 300 AAC Blackout Cartridge The 300 AAC Blackout is a continuation of the 300 Whisper cartridge and a few other calibers that were developed to solve a particular set of problems. The 5.56x45 cartridge used by the military has been proven to have poor battlefield performance that has been magnified by the shorter M-4 style barrels currently used by the US warfighters. The problem is that the 55 grain green-tip round was never designed for the shorter barreled M-4 but for a longer 20 inch barrel that allowed for a more complete power burn. The round itself is also stemmed in a battlefield doctrine that simply does not reflect the realities of today's battlefield and fanatic non state soldiers. The 300 AAC Blackout allows you to shoot a .30 caliber round out of a 5.56 caliber case. This means you can use a stock bolt, magazines, and lower receiver and keep a full magazine of rounds. The only change needed to chamber and fire the 300 Blackout over a stock round is to simply change the barrel. Once the new upper receiver is complete you have a more compatible rifle with more capabilities without sacrificing anything. Designing the Crusader Bolt System why the NP3 Bolt Carrier System Crusader bolt system was designed ..... by David Roberts, 2013 The Crusader Bolt was designed after some serious problems were observed after my decade in Iraq and Afghanistan. I slowly came to realize that my observations were being seen by many service-members and contractors throughout the desert campaigns. The AR weapons platform was originally designed by Eugene Stoner in the late 1950's and has been refined and tweaked ever since. The basic design uses the hot high-pressure gases to escape through a hole in the barrel. This gas is trapped by a gas block (also usually a front site base) and travels into the upper receiver through the shiny gas tube located just above the barrel. This hot gas is under the same high pressure that is pushing the projectile down the barrel. The gas is directed into the gas key on top of the Bolt Carrier Group. As those hot gases push against the gas key the entire Bolt Carrier Group is pushed to the rear. At this point the bolt is locked into the barrel by the locking lugs on the front of the bolt. As the carrier group is pushed to the rear the entire bolt rotates to unlock the bolt and allow the weapon to cycle to the rear. This cycling must be done with enough force to recock the hammer and move the bolt to the rear sufficiently to allow the bolt to pick up the next cartridge waiting at the top of the magazine. That cartridge is pushed into the feed-ramps by the forward motion of the Bolt Carrier Group with enough force to slam the round into the chamber fully and lock the bolt into place. Unlike the AK-47 or other piston driven firearms the AR-15 style rifle uses these hot carbon rich gases to cycle the weapon without it being vented outside the rifle. This tends to cause carbon to become deposited along the bolt and bolt carrier. Under normal circumstances and routine maintenance this isn't a problem. Proper cleaning and lubrication ensures care-free service as long as quality ammunition and rifle maintenance is up to date. The problem began to present itself in the desert environment and high operations tempo in Iraq. The lubrication that is necessary for weapon operation had a nasty habit of attracting and holding the talcum fine dust located in the south and western portions of Iraq. This dust increased the likelihood of a weapons malfunction by increasing friction and causing the hot gases to vent along the bolt surfaces that needed to remain relatively clean to seal them in for operation. Prolonged firefights sometimes lasting hours would deposit large amounts of carbon which was then baked on by the high temperatures of multiple rounds being shot in a short amount of time. That is the crux of the problem. The bolt was designed half a century ago with a rough finish to hold lubrication. This finish is considered "mil-spec" which is a set of minimum standards set by a nameless government bureaucracy which takes things like cost and vendor capabilities into consideration. Once these standards are in place is takes an act of congress to get them to be changed.... most times literally. So what we have is a design with some real issues that are going unresolved because of a rigid adherence to minimum standards by a military that wont admit there even is a problem because by admitting changes are needed would be admitting that the gear being used is less than perfect. Anyone who has ever had to depend on a rifle to survive doesn't want to ever hear that it is faulty. That is where our design comes into existence. When researching the possible coatings that we could use I looked at every possible material and coating on the market that would shed carbon and increase the lubrication of the Bolt Carrier Group without requiring an excessive amount of a liquid lubricant that would attract and hold dirt and carbon. I finally settled on Robar's NP3 coating because it did everything I was looking for. The Nickle Boron was a close second but after reviewing the hard data from the testing it was clear that NP3 was a superior coating for hardness and reducing friction. That was when we started testing the coating. I decided to repeat the conditions seen in an intense firefight by firing a full combat load as quickly as I could pull the trigger and change magazines. I stripped the Bolt Carrier Group of any lubrication at all and ran the weapon system dry using M855 military ammo. Then I pulled the still smoking bolt apart and cleaned it using only a tooth brush and some water. The rifle did not jam or malfunction in any way even after getting so hot I couldn't touch it anymore and smoke started coming off the barrel where the grease between the barrel nut and barrel starts to melt and cook off. The end result was a Bolt Carrier Group that can be dropped into any AR-15 style rifle. Semi-Automatic civilian rifle or Military issue that will dramatically increase reliability while decreasing the maintenance needed to have a reliable rifle that you can depend on. David Roberts, owner of Tennessee Arms Company, LLC Former USMC Force Recon Marine and Security Contractor Iraq 2004-2008, Afghanistan 2008-2012 300-blk.pdf File Size: 6934 kb File Type: pdfDownload File 300aacblackout06oct2010.pdf File Size: 8042 kb File Type: pdfDownload File aac-ar-manual.pdf File Size: 1558 kb File Type: pdfDownload File info-300aacupper-oct18.pdf File Size: 261 kb File Type: pdfDownload File ?

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