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Rifles, Reloading, Optics, Equipment
Gunsmithing
New Member in need of AR-15 Guru.
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<blockquote data-quote="SBruce" data-source="post: 338840" data-attributes="member: 21068"><p>The carrier did fall when using the "table top" method, not alot but it did move.</p><p>I changed out the gas rings anyway and the bolt feels quite a bit tighter now.</p><p> </p><p>Ammo seems to cycle more reliably now, but bolt still won't lock back on empty mag unless I pull it back by hand.</p><p> </p><p>Tube and key clearance mic's out at .005" (key is .180 and tube is .175) </p><p>I ordered another tube from Bushmaster anyway, don't know when it will show up though. Plan to replace it and try again.</p><p> </p><p>I also ordered a JP Enterprises "low mass buffer" weighs about 1/2 of what my buffer is. I'll try the buffer and maybe even a new gas block from JP if the new tube doesn't do the trick. </p><p> </p><p>Cam pin seems very free, but if it's binding up inside the receiver that will probably be a gunsmith fix I am assuming? Am also assuming that if it needs another bolt and/or carrier, that will be a smith issue too due to headspace issues?</p><p> </p><p>Thanks again Chad</p></blockquote><p></p>
[QUOTE="SBruce, post: 338840, member: 21068"] The carrier did fall when using the "table top" method, not alot but it did move. I changed out the gas rings anyway and the bolt feels quite a bit tighter now. Ammo seems to cycle more reliably now, but bolt still won't lock back on empty mag unless I pull it back by hand. Tube and key clearance mic's out at .005" (key is .180 and tube is .175) I ordered another tube from Bushmaster anyway, don't know when it will show up though. Plan to replace it and try again. I also ordered a JP Enterprises "low mass buffer" weighs about 1/2 of what my buffer is. I'll try the buffer and maybe even a new gas block from JP if the new tube doesn't do the trick. Cam pin seems very free, but if it's binding up inside the receiver that will probably be a gunsmith fix I am assuming? Am also assuming that if it needs another bolt and/or carrier, that will be a smith issue too due to headspace issues? Thanks again Chad [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
New Member in need of AR-15 Guru.
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