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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Rebarreling my Ruger M77
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<blockquote data-quote="AZShooter" data-source="post: 1240003" data-attributes="member: 5219"><p>First off I also own an old Ruger chambered in 284. I would say a new barrel should improve accuracy as the old Rugers barrels have a reputation of not being that accurate. </p><p></p><p>I use Rem takeoffs and have had excellent results with minimal expense. My first two barrels were 7 Rem mag takeoffs with 3/4" removed from chamber end, rethreaded and chambered to 284 win. My third barrel is a rethreaded and rechambered Rem 7-08. I only had to face off the bolt recess, turn down the rem diameter to 1" and rethread, the reamer cleaned the old chamber up nicely. Just saying..... this could be an inexpensive alternative. Use the difference in cost to make a reamer to your specs. </p><p></p><p></p><p></p><p>Another consideration for the new barrel is who's brass will you be using? </p><p></p><p></p><p>If you are using Winchester brass it would work better if you turned the necks for more consistent neck tension and resultant bullet release. Use a reamer with a slightly tighter neck dimension to help extend brass life. I am using a .315 neck. I bought 800 pieces back when Win announced they would be discontinuing production. I knew I couldn't rely on their "yearly production runs". </p><p></p><p>If I were to begin now I would buy bullets.com's specially made 284 Win Norma brass or use 6.5-284 Lapua brass and neck it up. The reamer would be a no turn neck as Lapua cases are very consistent in neck wall thickness. </p><p></p><p>IMO either way you really should consider the reamer's dimensions and including the distance to lands and throat angle. IMO 1.5 degree throat angle works well. Talk with your gunsmith about the dimensions of the reamer they will use or buy your own. </p><p></p><p>As for powder: I am using RL-17 these days with H4350 as the alternative. H4350 fits well and is an extreme powder. </p><p></p><p>Finally: Look into extending the length of your magazine box. My gunsmith, Joe Reid at Harry Lawson Co, Tucson, has done this to three of my Ruger M77 tang safety rifles. I had him lengthen my SA Ruger tang safety box to 3.1" for a useable OAL of 3.050". Should you decide to have Lawson lengthen your mag box I would be willing to let you use my reamer with Joe doing the work. The reamer is set so a 168 VLD engages the rifling with an OAL of 3.050". PM me if interested. </p><p></p><p>Good luck. Let us know your results when the rifle is complete.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1240003, member: 5219"] First off I also own an old Ruger chambered in 284. I would say a new barrel should improve accuracy as the old Rugers barrels have a reputation of not being that accurate. I use Rem takeoffs and have had excellent results with minimal expense. My first two barrels were 7 Rem mag takeoffs with 3/4" removed from chamber end, rethreaded and chambered to 284 win. My third barrel is a rethreaded and rechambered Rem 7-08. I only had to face off the bolt recess, turn down the rem diameter to 1" and rethread, the reamer cleaned the old chamber up nicely. Just saying..... this could be an inexpensive alternative. Use the difference in cost to make a reamer to your specs. Another consideration for the new barrel is who's brass will you be using? If you are using Winchester brass it would work better if you turned the necks for more consistent neck tension and resultant bullet release. Use a reamer with a slightly tighter neck dimension to help extend brass life. I am using a .315 neck. I bought 800 pieces back when Win announced they would be discontinuing production. I knew I couldn't rely on their "yearly production runs". If I were to begin now I would buy bullets.com's specially made 284 Win Norma brass or use 6.5-284 Lapua brass and neck it up. The reamer would be a no turn neck as Lapua cases are very consistent in neck wall thickness. IMO either way you really should consider the reamer's dimensions and including the distance to lands and throat angle. IMO 1.5 degree throat angle works well. Talk with your gunsmith about the dimensions of the reamer they will use or buy your own. As for powder: I am using RL-17 these days with H4350 as the alternative. H4350 fits well and is an extreme powder. Finally: Look into extending the length of your magazine box. My gunsmith, Joe Reid at Harry Lawson Co, Tucson, has done this to three of my Ruger M77 tang safety rifles. I had him lengthen my SA Ruger tang safety box to 3.1" for a useable OAL of 3.050". Should you decide to have Lawson lengthen your mag box I would be willing to let you use my reamer with Joe doing the work. The reamer is set so a 168 VLD engages the rifling with an OAL of 3.050". PM me if interested. Good luck. Let us know your results when the rifle is complete. [/QUOTE]
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Rebarreling my Ruger M77
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