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My custom R25 rig

 
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  #8  
Old 10-28-2012, 08:49 AM
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Re: My custom R25 rig

178gr Hornady Superformance Match. Chronographed at an average of 2654fps from my rifle
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  #9  
Old 10-28-2012, 08:58 AM
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Re: My custom R25 rig

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Originally Posted by ijemerson View Post
178gr Hornady Superformance Match. Chronographed at an average of 2654fps from my rifle
OH be careful with that ammo in an auto loader, I have heard some bad things most notable from Gene at LMT saying they don't recommend it as being safe. I do love that AMAX bullet though very vice stuff. Where was the shoot at?
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  #10  
Old 10-28-2012, 09:03 AM
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Re: My custom R25 rig

I got slight high pressure signs but nothing crazy. Gerrardstown, Wv at Peacemaker national training center
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  #11  
Old 10-28-2012, 09:07 AM
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Re: My custom R25 rig

Oh it was the 178gr bthp with a bc of .53
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  #12  
Old 10-28-2012, 10:16 AM
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Re: My custom R25 rig

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Originally Posted by ijemerson View Post
I got slight high pressure signs but nothing crazy. Gerrardstown, Wv at Peacemaker national training center
Man that's scary to me, be safe and at least consider switching loads. Speed is not worth the safety factor. I have had good luck with the LR118 round from LC in my M1A they prints raged holes at 200M. That scope your running has a lot of internal adjustment (27 mils) so a small reduction in speed should not cause you to run out or drop.

Just remember that using a suppressor increases the gas volume in your barrel. The bullet still exits the barrel at the same point (crown). But it still increases the amount of time the gas is in the barrel and can. This results in more back pressure and more forceful operation of the bolt (the ips speed of your BCG increases). Which in turn may overload your weapons safety designs. You may be able to slow it down with a heaver buffer but I don't know if that will reduce chamber pressure, my guess would be no.

I suppose the whole reason I am mentioning this is every time you pull the trigger on that load it takes its tole in the from of stress on your Bolt. Real glad to see other AR shooters here and I want you to stay around here so be safe, and keep posting about that nice rifle.

Jon
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  #13  
Old 10-28-2012, 10:28 AM
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Re: My custom R25 rig

I'm no expert but I know there are more than a few 300 saum/wsm ar's out there so slight high pressure signs from 308win aren't too scary to me.
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  #14  
Old 10-28-2012, 01:35 PM
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Re: My custom R25 rig

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Originally Posted by ijemerson View Post
I'm no expert but I know there are more than a few 300 saum/wsm ar's out there so slight high pressure signs from 308win aren't too scary to me.
Those rifles have different gas port sizes, gas system lengths, buffer and spring weight combinations to account for the added volume of gas. I understand why you said that, but its not really comparable. Thanks for discussing this with me.

Good luck in your next match sounds like a real good time.

Jon

PS. I looked up that range you mentioned what a super place to live buy.
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