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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
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<blockquote data-quote="HNDLDR" data-source="post: 3066800" data-attributes="member: 81622"><p>It's not that the bolt gun architecture will safely handle more pressure. If you completely closed an adjustable gas block on an AR and ran it like a bolt gun it would handle the same pressure as a bolt gun.</p><p>Where you run into problems is the gas gun is taking pressure at a certain point of the barrel and venting it back to cycle the action. There is an ideal amount of pressure to do this well without over doing it. </p><p>If you change the position of the port in the barrel, change the powder burn rate, shoot heavier bullets, change the port size in the barrel all effect the amount of pressure getting back the action to cycle it.</p><p></p><p>I do not work for Hornady or any other ammunition or rifle manufacturer so I can't speak for them. I suspect the reason they may list two separate lists of data for gas guns is because any Homer Simpson can order parts from 8 different manufacturers on the inter webs. In less than a case of Duff beer in his garage he can build his dream AR rifle without a clue of how the system operates and how to balance the gas pressure to operate correctly. The manufacturers have to safely account for this as best they can. </p><p></p><p>It's a lawyer safe world we live in.</p></blockquote><p></p>
[QUOTE="HNDLDR, post: 3066800, member: 81622"] It’s not that the bolt gun architecture will safely handle more pressure. If you completely closed an adjustable gas block on an AR and ran it like a bolt gun it would handle the same pressure as a bolt gun. Where you run into problems is the gas gun is taking pressure at a certain point of the barrel and venting it back to cycle the action. There is an ideal amount of pressure to do this well without over doing it. If you change the position of the port in the barrel, change the powder burn rate, shoot heavier bullets, change the port size in the barrel all effect the amount of pressure getting back the action to cycle it. I do not work for Hornady or any other ammunition or rifle manufacturer so I can’t speak for them. I suspect the reason they may list two separate lists of data for gas guns is because any Homer Simpson can order parts from 8 different manufacturers on the inter webs. In less than a case of Duff beer in his garage he can build his dream AR rifle without a clue of how the system operates and how to balance the gas pressure to operate correctly. The manufacturers have to safely account for this as best they can. It’s a lawyer safe world we live in. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
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