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The Range
Rifle & Shotgun Discussion
Thinking about a 10.5" upper. School me.
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<blockquote data-quote="henschman" data-source="post: 2776124" data-attributes="member: 4235"><p>Depends on what type of optic, and how you have it mounted. Most people put red dots on ARs with barrels that short, as they match their capabilities nicely. With a red dot, whether it's absolute co-witness or lower 1/3 co-witness, the front sight is pretty much irrelevant. You don't even notice it when using a red dot properly. With magnified optics, the one-piece AR scope mounts that most people use place the center of the optic well above the plane of the iron sights, so the front sight is frequently not visible on higher magnification; or is, at most, a blur in the bottom of the field of view. I don't use those mounts myself, as mounting a scope that high compromises cheek weld... if the center of the scope is at the same height or lower than the front sight post, it will cause a blur in the scope and negatively affect image quality and your ability to see the target. So I don't have fixed front sight bases on any of my scoped ARs.</p><p></p><p>As for good uppers, DD makes a very nice CHF 10.3"... PSA has a 10.5" upper with a FN CHF barrel that is good quality. BCM is very good, but they don't go that short... the shortest they make is an 11.5". Also very good quality if you don't mind an extra inch. They claim it helps reliability. You can also get a lightweight barrel profile with them.</p></blockquote><p></p>
[QUOTE="henschman, post: 2776124, member: 4235"] Depends on what type of optic, and how you have it mounted. Most people put red dots on ARs with barrels that short, as they match their capabilities nicely. With a red dot, whether it's absolute co-witness or lower 1/3 co-witness, the front sight is pretty much irrelevant. You don't even notice it when using a red dot properly. With magnified optics, the one-piece AR scope mounts that most people use place the center of the optic well above the plane of the iron sights, so the front sight is frequently not visible on higher magnification; or is, at most, a blur in the bottom of the field of view. I don't use those mounts myself, as mounting a scope that high compromises cheek weld... if the center of the scope is at the same height or lower than the front sight post, it will cause a blur in the scope and negatively affect image quality and your ability to see the target. So I don't have fixed front sight bases on any of my scoped ARs. As for good uppers, DD makes a very nice CHF 10.3"... PSA has a 10.5" upper with a FN CHF barrel that is good quality. BCM is very good, but they don't go that short... the shortest they make is an 11.5". Also very good quality if you don't mind an extra inch. They claim it helps reliability. You can also get a lightweight barrel profile with them. [/QUOTE]
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Thinking about a 10.5" upper. School me.
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