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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel erosion?
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<blockquote data-quote="mudygmc" data-source="post: 1665459" data-attributes="member: 57931"><p>I appreciate the info. I looked at my oldest 223 ar15 last night. The barrel has between 17-18,000 rounds through it now. Nothing crazy hot 90% has been 55gr at 3,000fps or 68s slower don't remember the speed. I was religious on cleaning the rifle after ever use. The accuracy is still there with quality ammo. 1/2-5/8 on a good day. It was a 1/4 rifle in its prime. The bore wasn't what I was expecting. There was fire cracking for 8-10in. The lands were virtually smooth for 1.5-2in. Bore is smooth and shinny. Not much pitting or cracks further down. The gas port surprised me. It was almost perfect yet. Slight radious but not eroded much if any. This was my first time ever looking down this barrel. Are more mild cartridges more forgiving towards barrel wear vs more hot rodded loads. This rifle has shot steel and paper for days. And the amount of time in dog towns is weeks. But after a good cleaning 5-10 fouling shots the 55gr vmax are still at .5moa. The pics I've seen of had port erosion I assume has to be from crazy amount of rapid fire shooting or is it back to a hot load or a combo. Like i said i hear stories of barrels sjooting out. Just trying to get a feel for what is going on. I know each is different and my 223 might be a fluke. Just wondering if there is some common guidelines to what happens. I will keep studying and taking notes on my barrels. Especially the magnums I push hot. I'm glad I finally purchased a bore scope. Just wish I understood it a bit more.</p><p></p><p>Adam</p></blockquote><p></p>
[QUOTE="mudygmc, post: 1665459, member: 57931"] I appreciate the info. I looked at my oldest 223 ar15 last night. The barrel has between 17-18,000 rounds through it now. Nothing crazy hot 90% has been 55gr at 3,000fps or 68s slower don't remember the speed. I was religious on cleaning the rifle after ever use. The accuracy is still there with quality ammo. 1/2-5/8 on a good day. It was a 1/4 rifle in its prime. The bore wasn't what I was expecting. There was fire cracking for 8-10in. The lands were virtually smooth for 1.5-2in. Bore is smooth and shinny. Not much pitting or cracks further down. The gas port surprised me. It was almost perfect yet. Slight radious but not eroded much if any. This was my first time ever looking down this barrel. Are more mild cartridges more forgiving towards barrel wear vs more hot rodded loads. This rifle has shot steel and paper for days. And the amount of time in dog towns is weeks. But after a good cleaning 5-10 fouling shots the 55gr vmax are still at .5moa. The pics I've seen of had port erosion I assume has to be from crazy amount of rapid fire shooting or is it back to a hot load or a combo. Like i said i hear stories of barrels sjooting out. Just trying to get a feel for what is going on. I know each is different and my 223 might be a fluke. Just wondering if there is some common guidelines to what happens. I will keep studying and taking notes on my barrels. Especially the magnums I push hot. I'm glad I finally purchased a bore scope. Just wish I understood it a bit more. Adam [/QUOTE]
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Barrel erosion?
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