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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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<blockquote data-quote="Masczek" data-source="post: 3029057" data-attributes="member: 100797"><p>No worries about getting slightly off topic, I'll touch on the port size since it was something I wasn't thinking much on when I started. My first prototype barrels both where drilled with a "slightly" larger gas ports (.114") because I was using adjustable gas blocks. Once I tested them out I obviously had dial the gas down since it was way too much. The problem I ran into was the gas blocks I was using didn't have enough "fine" adjustment in them, one click was either too much gas or not enough to cycle reliably. I was surprised that changing the buffer weight didn't help get it where I wanted it either. But once I got the gas port size dialed in, it was a lot easier to fine tune the gas system with the adjustable gas block. And since I was messing with the gas port size, I decided to make it work with a standard 3.5 oz carbine buffer.</p></blockquote><p></p>
[QUOTE="Masczek, post: 3029057, member: 100797"] No worries about getting slightly off topic, I'll touch on the port size since it was something I wasn't thinking much on when I started. My first prototype barrels both where drilled with a "slightly" larger gas ports (.114") because I was using adjustable gas blocks. Once I tested them out I obviously had dial the gas down since it was way too much. The problem I ran into was the gas blocks I was using didn't have enough "fine" adjustment in them, one click was either too much gas or not enough to cycle reliably. I was surprised that changing the buffer weight didn't help get it where I wanted it either. But once I got the gas port size dialed in, it was a lot easier to fine tune the gas system with the adjustable gas block. And since I was messing with the gas port size, I decided to make it work with a standard 3.5 oz carbine buffer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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