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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Is lapping the upper face worth the trouble?
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<blockquote data-quote="crazymonkey" data-source="post: 3059287" data-attributes="member: 125421"><p>The rifle will probably shoot OK but the bore alignment to the c/l of the upper will be off in what ever direction it pulls the barrel and you are going to counter with scope adjustment to correct. Here's a picture of the lapping tool notice the large dia is to lap the upper face while the smaller dia is inside the upper bore . This address the perpendicular form the bore to the face . It's probably not for everyone but if your going to build why not make it as accurate as possible?</p></blockquote><p></p>
[QUOTE="crazymonkey, post: 3059287, member: 125421"] The rifle will probably shoot OK but the bore alignment to the c/l of the upper will be off in what ever direction it pulls the barrel and you are going to counter with scope adjustment to correct. Here's a picture of the lapping tool notice the large dia is to lap the upper face while the smaller dia is inside the upper bore . This address the perpendicular form the bore to the face . It's probably not for everyone but if your going to build why not make it as accurate as possible? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Is lapping the upper face worth the trouble?
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