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The Range
Rifle & Shotgun Discussion
AR short stroke issue!!
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<blockquote data-quote="ColtDogg" data-source="post: 2663494" data-attributes="member: 2862"><p>To me it sounds like the gas port is to small and needs to be opened up. I ran across this a few times on 300 BLKout. I had to open them up a bit and use a 9mm spring with sub-sonic ammo. Then on some of the 5.56 guns I had to open them up to .093. </p><p></p><p>This is what I found on the other page with 7.62X39mm::: (This is not from me.)</p><p></p><p> </p><p></p><p></p><p>Few variables like: load you're running, buffer, recoil spring (rifle or carbine)....but a good starting point with something like Tula and a carbine buffer and spring on a mid-length gas system is around 0.095"......some systems end up around 0.100" to 0.114"....</p></blockquote><p></p>
[QUOTE="ColtDogg, post: 2663494, member: 2862"] To me it sounds like the gas port is to small and needs to be opened up. I ran across this a few times on 300 BLKout. I had to open them up a bit and use a 9mm spring with sub-sonic ammo. Then on some of the 5.56 guns I had to open them up to .093. This is what I found on the other page with 7.62X39mm::: (This is not from me.) Few variables like: load you're running, buffer, recoil spring (rifle or carbine)....but a good starting point with something like Tula and a carbine buffer and spring on a mid-length gas system is around 0.095"......some systems end up around 0.100" to 0.114".... [/QUOTE]
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AR short stroke issue!!
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