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Rifles, Reloading, Optics, Equipment
Reloading
Dirty ar15 brass, too dirty?
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<blockquote data-quote="QuietTexan" data-source="post: 2396768" data-attributes="member: 116181"><p>I was going to say this too, first glance they don't look bad at all for a direct inpingment action. They look downright sparkly compared to what comes out of my ARs.</p><p></p><p>I'd be more worried that you seem to be getting a consistent gouge midway up the neck, is there a burr in the chamber?</p><p></p><p>And what's the goal you're working towards? Functionality, precision, SD/ES? Overgassing can be as bad as being undergassed, a perfectly tuned AR is much better to shoot than a poorly tuned one, but depending on your goal here you might have some compromises to make.</p><p></p><p>For example one of my 300 BLKs will chew up brass and blast me in the face with oil it's so overgassed, but it cycles every single time. No problems with stripping a round or locking back, it's for subs so any velocity loss from the bolt unlocking early doesn't matter, it has a can so it's going to be dirty no matter what, not that I've ever tried to run to failure but if I'm hog hunting with it I can clean it out with brake cleaner and relube with the quart of motor oil that's always in the Mule if I need to.</p><p></p><p>So I'm fine with my compromises. But defiantly not an ideal setup for accuracy and precision, which I feel like is more where you're going. So parts changes might be your best bet, and an adjustable gas block would go a long way towards dialing in your tuning.</p><p></p><p></p><p>TBH I don't know the specs on all your various parts, but yes spring rate and buffer weight affect tuning. Differently than port size/block and full auto carriers, but just like JB said they're part of the equation. If you don't know what the spring is, or if you only have one buffer it might be time to buy a few more parts. I have 4 buffers and three springs rates to use to tune in loads with, if you're serious about AR shooting they don't cost a ton relatively speaking, and they're a lot easier to mess with than gas blocks and barrel ports.</p><p></p><p>Sprinco was the big name in springs back when I paid more attention to ARs. The buffers are all BCM but only because I bought them all from the same place at the same time to avoid any spec differences between manufacturers and get the right weight gaps since they're for tuning. </p><p>[URL unfurl="true"]https://www.sprinco.com/ar-buffer.html[/URL]</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2396768, member: 116181"] I was going to say this too, first glance they don't look bad at all for a direct inpingment action. They look downright sparkly compared to what comes out of my ARs. I'd be more worried that you seem to be getting a consistent gouge midway up the neck, is there a burr in the chamber? And what's the goal you're working towards? Functionality, precision, SD/ES? Overgassing can be as bad as being undergassed, a perfectly tuned AR is much better to shoot than a poorly tuned one, but depending on your goal here you might have some compromises to make. For example one of my 300 BLKs will chew up brass and blast me in the face with oil it's so overgassed, but it cycles every single time. No problems with stripping a round or locking back, it's for subs so any velocity loss from the bolt unlocking early doesn't matter, it has a can so it's going to be dirty no matter what, not that I've ever tried to run to failure but if I'm hog hunting with it I can clean it out with brake cleaner and relube with the quart of motor oil that's always in the Mule if I need to. So I'm fine with my compromises. But defiantly not an ideal setup for accuracy and precision, which I feel like is more where you're going. So parts changes might be your best bet, and an adjustable gas block would go a long way towards dialing in your tuning. TBH I don't know the specs on all your various parts, but yes spring rate and buffer weight affect tuning. Differently than port size/block and full auto carriers, but just like JB said they're part of the equation. If you don't know what the spring is, or if you only have one buffer it might be time to buy a few more parts. I have 4 buffers and three springs rates to use to tune in loads with, if you're serious about AR shooting they don't cost a ton relatively speaking, and they're a lot easier to mess with than gas blocks and barrel ports. Sprinco was the big name in springs back when I paid more attention to ARs. The buffers are all BCM but only because I bought them all from the same place at the same time to avoid any spec differences between manufacturers and get the right weight gaps since they're for tuning. [URL unfurl="true"]https://www.sprinco.com/ar-buffer.html[/URL] [/QUOTE]
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Dirty ar15 brass, too dirty?
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