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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
rebarrelling a ruger 77
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<blockquote data-quote="AZShooter" data-source="post: 783545" data-attributes="member: 5219"><p>Have had many Rugers rebarreled. All are the older tang safety M77s. Barrel shank is Ruger is 1" (.998") diameter 16 TPI shank length .690" long. There is no cut for extractor on this design. It is one of the easier machining jobs. </p><p></p><p>The Remington takeoffs can be easily machined to fit as the shank is 1.1". </p><p></p><p>My gunsmith charges approx. $150 to install a barrel. I finally got around to learning how and now do all my chambering and installations myself with an old 50s Sheldon lathe. </p><p></p><p>----------------------</p><p></p><p>The minimum twist for a 6mm 115 gr bullet generally is 1 in 7.5 I tried the 115 DTACs in a 30" 1 in 7.5 6mm-284 with poor results. Read where the 115 Berger VLD might come apart with the higher velocities of the 6mm-284. Here is what one guy said: </p><p></p><p>"Forget the 115 bergers, the d-tacs are the only 115 that will hold together as far as I know."</p><p></p><p> When the 105 Berger hybrid came out I moved to it and never looked back. I had read the hybrids were not seating depth sensitive so I seated it to fit and feed from my SA Rem 700 with a Wyatt's mag box. Jump to rifling is .065" and it shoots inch groups at 500M. </p><p></p><p>Have the next barrel ready and it is a 1 in 8 twist as I won't even consider any 115s. That Berger hybrid has a BC that is higher than Berger's older 115 VLD!!! So why bother? </p><p></p><p> Berger115 Match VLD Target G1.545 G7 .279 </p><p>Berger 105 hybrid target G1 .547 G7 .278</p></blockquote><p></p>
[QUOTE="AZShooter, post: 783545, member: 5219"] Have had many Rugers rebarreled. All are the older tang safety M77s. Barrel shank is Ruger is 1” (.998”) diameter 16 TPI shank length .690” long. There is no cut for extractor on this design. It is one of the easier machining jobs. The Remington takeoffs can be easily machined to fit as the shank is 1.1". My gunsmith charges approx. $150 to install a barrel. I finally got around to learning how and now do all my chambering and installations myself with an old 50s Sheldon lathe. ---------------------- The minimum twist for a 6mm 115 gr bullet generally is 1 in 7.5 I tried the 115 DTACs in a 30" 1 in 7.5 6mm-284 with poor results. Read where the 115 Berger VLD might come apart with the higher velocities of the 6mm-284. Here is what one guy said: "Forget the 115 bergers, the d-tacs are the only 115 that will hold together as far as I know." When the 105 Berger hybrid came out I moved to it and never looked back. I had read the hybrids were not seating depth sensitive so I seated it to fit and feed from my SA Rem 700 with a Wyatt's mag box. Jump to rifling is .065" and it shoots inch groups at 500M. Have the next barrel ready and it is a 1 in 8 twist as I won't even consider any 115s. That Berger hybrid has a BC that is higher than Berger's older 115 VLD!!! So why bother? Berger115 Match VLD Target G1.545 G7 .279 Berger 105 hybrid target G1 .547 G7 .278 [/QUOTE]
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rebarrelling a ruger 77
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