brutus1776's latest activity
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Bbrutus1776 replied to the thread AR Tuning question.Thanks The bcg I put in is also a bcm albeit with about 25k rounds on it. What the port size need to be to not wear out rings fast in...
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Bbrutus1776 replied to the thread AR Tuning question.Yes.
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Bbrutus1776 replied to the thread AR Tuning question.Is it actually possible to wear out gas rings in less than 2000 rounds on a brand new bcm bcg? My main training gun’s bcm bcg has over...
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Bbrutus1776 replied to the thread AR Tuning question.Yes. I only replace the whole carrier assembly.
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Bbrutus1776 replied to the thread AR Tuning question.Will check in the morning… I did check the bolt out of the spr several months ago, and stood the weight of carrier fine. Ammo is pmc...
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Bbrutus1776 replied to the thread AR Tuning question.The plot thickens. Shot it today. Had lock back on first 2 mags. Stopped getting lock back. Finally opened the gas all the way. Was...
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Bbrutus1776 replied to the thread AR Tuning question.Update: Couldn’t take it. Pulled buffer weight. It’s an h1. I disassembled and took out one weight and put in a wooden dowel. First 1...
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Bbrutus1776 replied to the thread AR Tuning question.Right on. I did have a lock back prob after a couple thousand rounds on an spr with bartlein barrel with the same SA gas block system. I...
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Bbrutus1776 replied to the thread AR Tuning question.I guess I should check the rings, but I changed the bolt out to a new bcm with the new barrel. There’s less than 2000 rounds on this...
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Bbrutus1776 replied to the thread AR Tuning question.10-4. Thanks everyone. I can’t remember for sure but I had the gas turned down from say 18 clicks on the SA arms block (full open) to...
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BFWIW, I "had" been running an SCS15-H2 on my 300 Blackout with a 10.5" barrel with AC591 brake + OCL Hydrogen L 7.62 can. I built a 2nd...
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Bbrutus1776 replied to the thread AR Tuning question.Yes, I went through the entire gas block adjustments 2 clicks at a time with 1 round magazines. Finally with the stock spring on jp scs...
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Bbrutus1776 replied to the thread AR Tuning question.I haven’t weighed the buffer it’s self but it’s whatever comes in a stock bcm lower.
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Bbrutus1776 replied to the thread AR Tuning question.Yes, I did that Saturday when I was trying to tune this thing. The bcm device runs fine but the sjc has the “no lock back on last...
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Bbrutus1776 replied to the thread AR Tuning question.Thanks guys. I had a buddy verify gas port alignment with a scope. It’s dead nuts. Might mess with the weights on an SCS before pulling...
