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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Issue with short stroking
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<blockquote data-quote="trophyhusband" data-source="post: 895573" data-attributes="member: 70376"><p>What is a "DD upper"?</p><p></p><p>Would pushing the forward assist button between shots ensure the bolt is locking up the same every time?</p><p></p><p>The gun is an off the shelf carbine with a 16 inch barrel chambered in .223/5.56.</p><p></p><p>The brass is LC once fired in this rifle, all trimmed to the same length. </p><p></p><p>Every powder charge is weighed on a balance scale.</p><p></p><p>The first pic is what I shot using the lower receiver with the rifle buffer and Timney trigger. There are only seven hole because 3 of the ten rounds I loaded got jammed and dented. Some of those seven rounds were chambered by pulling the charging handle and letting it go. Some rounds chambered as a result of the gun cycling properly, and there were a couple at the end of the string that cycled properly but I pulled the charge handle back just a little just to make sure a round chambered and then used the forward assist button.</p><p></p><p>The second pic is what I shot today using the lower with a carbine buffer and stock trigger. Everything cycled normally. Every shot felt good and even though the trigger pull was much harder, it didn't seem like that was throwing me off.</p><p></p><p>As you can see, there's a huge difference between the two.</p></blockquote><p></p>
[QUOTE="trophyhusband, post: 895573, member: 70376"] What is a "DD upper"? Would pushing the forward assist button between shots ensure the bolt is locking up the same every time? The gun is an off the shelf carbine with a 16 inch barrel chambered in .223/5.56. The brass is LC once fired in this rifle, all trimmed to the same length. Every powder charge is weighed on a balance scale. The first pic is what I shot using the lower receiver with the rifle buffer and Timney trigger. There are only seven hole because 3 of the ten rounds I loaded got jammed and dented. Some of those seven rounds were chambered by pulling the charging handle and letting it go. Some rounds chambered as a result of the gun cycling properly, and there were a couple at the end of the string that cycled properly but I pulled the charge handle back just a little just to make sure a round chambered and then used the forward assist button. The second pic is what I shot today using the lower with a carbine buffer and stock trigger. Everything cycled normally. Every shot felt good and even though the trigger pull was much harder, it didn't seem like that was throwing me off. As you can see, there's a huge difference between the two. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Issue with short stroking
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