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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Building AR for long range
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<blockquote data-quote="sierracharlie338" data-source="post: 2172884" data-attributes="member: 64849"><p>Lapping the receiver where the barrel extension meets the receiver is one way (tool can be found at Brownells). Bedding the barrel extension to the receiver is another trick(not the same as bolt gun bedding). I have found watching your torque specs is way more importanter as long as you use quality components.</p><p>I have a rock river "long range" set up. It has an 20 inch, 8 twist but 75s seem to be it's threshold for heavies. If you are planning on shooting 77+ I'd go with a 7 twist.</p></blockquote><p></p>
[QUOTE="sierracharlie338, post: 2172884, member: 64849"] Lapping the receiver where the barrel extension meets the receiver is one way (tool can be found at Brownells). Bedding the barrel extension to the receiver is another trick(not the same as bolt gun bedding). I have found watching your torque specs is way more importanter as long as you use quality components. I have a rock river “long range” set up. It has an 20 inch, 8 twist but 75s seem to be it’s threshold for heavies. If you are planning on shooting 77+ I’d go with a 7 twist. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Building AR for long range
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