Ruger M77 Mark II Target .308 - Should I Cut and Thread it?

thaHooligan

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I had this same rifle about 18 years ago, but in .204 and ended up selling it. I regretted it every since then. This one recently popped up on here for sale so I HAD to have it. Also this one is in .308 which is even better for me now, I really love the .308 round and I can reload for it. I took it out to test some factory ammo and once again, the Federal Fusion's beat out the Hornady Black, Remington Tipped and Winchester Super X. I didn't make a full video, just a quick 1 minute short with my phone. It has a 26" barrel that I'd possibly like to get cut down to maybe 18 or 20 inches and threaded for a suppressor, but I don't want the accuracy to go to sheet. What do you guys think? I've never had a barrel cut before. Any recommendations on who could do it?

 

PanhandleGlocker

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Hard to find much info about this rifle, probably since it's so old, but one site I found said it is 1:10".

If it’s 1:10 then Cut it down to 20”.

My Ruger RPR in .308 is 1:10 and it’s a 20” barrel.
 

Jcann

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There is no way anyone can tell you if accuracy will go to sheet as you put it but you’ll loose about 100fps or more.

Some may tell you a short barrel makes for a stiffer barrel, which it does but it doesn’t necessarily make for a more accurate barrel. If it did we should see a lot of short barrel AR’s shooting tiny groups.
 

PanhandleGlocker

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There is no way anyone can tell you if accuracy will go to sheet as you put it but you’ll loose about 100fps or more.

Some may tell you a short barrel makes for a stiffer barrel, which it does but it doesn’t necessarily make for a more accurate barrel. If it did we should see a lot of short barrel AR’s shooting tiny groups.

To both things I made bold it would depend on caliber and twist rate in my opinion.
 

PanhandleGlocker

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How so? Please enlighten me to that which informed your opinion.

Here’s a test MDT did with an 88” barrel in 308. How Long is Too Long For a Rifle Barrel? MDT Builds an 88-Inch-Long .308 to Find Out

I was just voicing my opinion on what I think it would do. It may be right. It may be wrong. Sorry I’m not as OpERatOr as you.

But to your article you posted; longer barrel apparently doesn’t make it more accurate. Over 1” group at 100 yards? Not that great.

And from a reloading perspective we all know that more FPS isn’t always equal to more accuracy.
 

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