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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 WSM AR10
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<blockquote data-quote="bamban" data-source="post: 2509470" data-attributes="member: 17722"><p>The JP high pressure bolts are the key to success when dealing with these large frame ARs. One of the 308 barrels I chambered for a friend had similar issue, pin hole is way too large. Since it is a lefty, JP did not have a bolt for one before. I sent the bolt to be bushed and pin ground to match the 0.062 hole.</p><p></p><p>No more issues hence.</p><p></p><p>308s are easy to mitigate. I just chambered a 16.5 inch suppressed hunter for me using mid length gas system without adjustable block.</p><p></p><p>Never have messed with 300WSM, not familiar with its pressure curve. The curve must be wide. I am playing with QL to see if I can simply do a ratio between rifle gas length, hole, and the pressure between the 308 and 300WSM to determine what size hole I need for the 300WSM.</p><p></p><p>On the service rifle we are not allowed adjustable gas blocks, so for 308 I have to use the correct gas port size. In this case I use 2mm reamed hole.</p></blockquote><p></p>
[QUOTE="bamban, post: 2509470, member: 17722"] The JP high pressure bolts are the key to success when dealing with these large frame ARs. One of the 308 barrels I chambered for a friend had similar issue, pin hole is way too large. Since it is a lefty, JP did not have a bolt for one before. I sent the bolt to be bushed and pin ground to match the 0.062 hole. No more issues hence. 308s are easy to mitigate. I just chambered a 16.5 inch suppressed hunter for me using mid length gas system without adjustable block. Never have messed with 300WSM, not familiar with its pressure curve. The curve must be wide. I am playing with QL to see if I can simply do a ratio between rifle gas length, hole, and the pressure between the 308 and 300WSM to determine what size hole I need for the 300WSM. On the service rifle we are not allowed adjustable gas blocks, so for 308 I have to use the correct gas port size. In this case I use 2mm reamed hole. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 WSM AR10
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