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The Range
Gunsmithing & Repairs
Darn it--- short throat .223
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<blockquote data-quote="swampratt" data-source="post: 4204768" data-attributes="member: 15054"><p>[ATTACH=full]447351[/ATTACH]</p><p></p><p></p><p></p><p>Looks like the Wylde is actually fatter in some places than the 5.56.</p><p>Look at the .078" number this is the distance from case mouth to the rifling in the barrel where it becomes .224" diameter.</p><p>5.56 is at .070" and the .223 is at .040"</p><p></p><p>I seen another drawing of the Wylde chamber and is it nearly the same and adds transition of .0158" after case mouth.</p><p></p><p>[ATTACH=full]447352[/ATTACH]</p><p></p><p></p><p>Now I did measure my lead today on four 5.56 chambers with the cutter tool I purchased.</p><p>It just cuts the rifling lead not any chamber.</p><p></p><p>I measured from the nut to the back of the tool and found differences in lead.</p><p>My .223 Savage Axis rifles I have 2 of them both measure exactly the same 1.910" from the nut to the back of the tool.</p><p>The problem child barrel I am cutting on right now measures 2.030".</p><p>That is 0.12" difference. If I was to stick a bullet in and chase the lands that would contact the lands 0.12" sooner.</p><p></p><p>The decimal point is in the right place over 1/10 of an inch.</p><p></p><p>Now I measured my wifes stainless Freedom PSA 5.56 rifle.</p><p>1.865" .045" different than the Axis rifle.. that seems about on par with the drawings above which should be .030" in a perfect world.</p><p></p><p>Now my Stainless freedom rifle that has been shot a lot.</p><p>1.782" which is .128" different than the Axis.</p><p></p><p>Now i have a couple 5.56 Parkerized PSA rifles that do not get shot much.. probably less than 100 rounds through them.</p><p></p><p>1.920" and another at 1.928" Both of those the lead is closer than the Axis rifle.</p><p>10 thousandths and 18 thousandths closer to the lands on these two 5.56 rifles than my 2 Axis .223 rifles.</p><p></p><p>Not all barrels are cut the same as we know..</p><p>But this shows me why my long seated 2.278" 55 v-max will chamber in a couple AR's and not another.</p><p></p><p>The cutter tool below. It has a sleeve that fits and bottoms in the chamber and a cutter that only cuts rifling lead.</p><p>[ATTACH=full]447371[/ATTACH]</p></blockquote><p></p>
[QUOTE="swampratt, post: 4204768, member: 15054"] [ATTACH type="full"]447351[/ATTACH] Looks like the Wylde is actually fatter in some places than the 5.56. Look at the .078" number this is the distance from case mouth to the rifling in the barrel where it becomes .224" diameter. 5.56 is at .070" and the .223 is at .040" I seen another drawing of the Wylde chamber and is it nearly the same and adds transition of .0158" after case mouth. [ATTACH type="full"]447352[/ATTACH] Now I did measure my lead today on four 5.56 chambers with the cutter tool I purchased. It just cuts the rifling lead not any chamber. I measured from the nut to the back of the tool and found differences in lead. My .223 Savage Axis rifles I have 2 of them both measure exactly the same 1.910" from the nut to the back of the tool. The problem child barrel I am cutting on right now measures 2.030". That is 0.12" difference. If I was to stick a bullet in and chase the lands that would contact the lands 0.12" sooner. The decimal point is in the right place over 1/10 of an inch. Now I measured my wifes stainless Freedom PSA 5.56 rifle. 1.865" .045" different than the Axis rifle.. that seems about on par with the drawings above which should be .030" in a perfect world. Now my Stainless freedom rifle that has been shot a lot. 1.782" which is .128" different than the Axis. Now i have a couple 5.56 Parkerized PSA rifles that do not get shot much.. probably less than 100 rounds through them. 1.920" and another at 1.928" Both of those the lead is closer than the Axis rifle. 10 thousandths and 18 thousandths closer to the lands on these two 5.56 rifles than my 2 Axis .223 rifles. Not all barrels are cut the same as we know.. But this shows me why my long seated 2.278" 55 v-max will chamber in a couple AR's and not another. The cutter tool below. It has a sleeve that fits and bottoms in the chamber and a cutter that only cuts rifling lead. [ATTACH type="full"]447371[/ATTACH] [/QUOTE]
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