9310 or C158

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Red Dawn

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Just curious What do prefer or run in your everyday AR the carpenter 158 or the 9310 bolt. Is there a difference in them if your running semi auto. Anyone ever had a failure out of one. What are your thoughts. Thanks
 

Shemp

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Isn't 158 carpenter mil spec?
 

chance

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That looks nice. I read that S7 is the metal used in jack hammer bits. What are you running it in ? Carbine or Mid
Mid 14.5. It was surprisingly gassy with my specwar. Ive already modded a gas block to cut gas down, but I figured inwould put this in it and tune the rifle to run both suppressend and unsuppressed. In its current gas port size its suppressed only
 
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Red Dawn

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Mid 14.5. It was surprisingly gassy with my specwar. Ive already modded a gas block to cut gas down, but I figured inwould put this in it and tune the rifle to run both suppressend and unsuppressed. In its current gas port size its suppressed only
Did you reduce the port size on the block. You’d think a mid would’ve helped some even if the gas port is larger
 

chance

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Did you reduce the port size on the block. You’d think a mid would’ve helped some even if the gas port is larger
I drilled and tapped the port in the gas block between the gas tube and barrel, then drilled stainless dog nose set screws with various port sizes. Went from 0.077” on the barrel to 0.055 or 0.052 I forget at the moment.
 
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Red Dawn

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I drilled and tapped the port in the gas block between the gas tube and barrel, then drilled stainless dog nose set screws with various port sizes. Went from 0.077” on the barrel to 0.055 or 0.052 I forget at the moment.

Wow that’s a significant reduction for mid and it’s still gassy. This is 556 right
 

Red Dawn

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I picked a 9310 on the 6.5G from Lehigh Defense and like it a lot no issues I’m thinking about grabbing a Toolecraft with a 9310 bolt as well in nitride coat
 

chance

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Wow that’s a significant reduction for mid and it’s still gassy. This is 556 right
Oh its way less gassy now. Ive got it tuned down to the point it wont fully cycle unsuppressed. It shoots great. I just want to open it up a bit then hopefully use the adjustments on the bolt when I run it suppressed
 
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Jake

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Oh its way less gassy now. Ive got it tuned down to the point it wont fully cycle unsuppressed. It shoots great. I just want to open it up a bit then hopefully use the adjustments on the bolt when I run it suppressed

I believe @Leshaire had that same Bootleg BCG. Of I remember correctly he had some issues out of it. I could be wrong though?
 
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Leshaire

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I believe @Leshaire had that same Bootleg BCG. Of I remember correctly he had some issues out of it. I could be wrong though?
I sure did. Ejection direction didn't change one single inch across three settings and it was failing to fully eject every time and then on the fully closed setting it ran exactly like it already runs, perfect patterns and perfect reliability lol.

My trial wasn't a fair one though since I have that reduced gas port barrel. But I was hoping I could even finer tune with the bootleg. I just didn't see or feel any difference across the three first settings.

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Red Dawn

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Well I just ordered a Toolcraft C158 for a pistol build.