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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Interesting read on ar-15 barrels
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<blockquote data-quote="budlight" data-source="post: 2701154" data-attributes="member: 2939"><p>I just got done watching a video from a barrel maker and he was on the big hole size side of the fence. All I can say is that if you are buying off the shelf relatively low pressure .223 rounds only, there is some validity to using bigger gas port diameter and or the use of adjustable gas blocks. I don't like adjustables because I've had them fail out in the field. Then you have to muck with them. I prefer simple is better. Light weight micro or smaller gas blocks using high temp red silicone around the gas tube before inserting and pining. Also tape and spray high temp header paint on the barrel the size of the length of the gas block. Drill or grind two small indentations where the gas block allen locking screws go. You don't want leaks or movement of the gas block in the future. I've had all kinds of things go wrong in the past before I took the time to follow the rule of the 7 P's. Military term! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p></p><p>Reasons for going with rifle length gas systems and save your BCG etc.</p><p></p><p></p><p>[ATTACH=full]423158[/ATTACH]</p><p></p><p>[ATTACH=full]423160[/ATTACH]</p></blockquote><p></p>
[QUOTE="budlight, post: 2701154, member: 2939"] I just got done watching a video from a barrel maker and he was on the big hole size side of the fence. All I can say is that if you are buying off the shelf relatively low pressure .223 rounds only, there is some validity to using bigger gas port diameter and or the use of adjustable gas blocks. I don't like adjustables because I've had them fail out in the field. Then you have to muck with them. I prefer simple is better. Light weight micro or smaller gas blocks using high temp red silicone around the gas tube before inserting and pining. Also tape and spray high temp header paint on the barrel the size of the length of the gas block. Drill or grind two small indentations where the gas block allen locking screws go. You don't want leaks or movement of the gas block in the future. I've had all kinds of things go wrong in the past before I took the time to follow the rule of the 7 P's. Military term! :) Reasons for going with rifle length gas systems and save your BCG etc. [ATTACH type="full" alt="223plot.gif"]423158[/ATTACH] [ATTACH type="full" alt="pressure-time.gif"]423160[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Interesting read on ar-15 barrels
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