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Thread: Barrel cut down question

  1. #1
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    Barrel cut down question


    So my 16 LWH in 6.5 Creedmoor has been claimed by my wife. I was going to buy another 10 FCP-SR in 6.5 Creedmoor 20" barrel but I have a Howa HB .308 that's a tack driver. It has a 20" barrel but since it'll be a 500 yard and under gun I'm thinking of cutting down the barrel to 18" and threading it. I'd like the weight savings but I'd hate to throw off the barrel harmonics (if that's possible) and effect accuracy. I've seen the barrel cutting velocity tests but the don't talk about accuracy.

    I think I'm over thinking it and it might only change POI but I'm hoping some folks have done something similar in the past.

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  2. #2
    trentcwwilson
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    I haven't seen the "new" 10 FCP-SR in 6.5CM, only 308. And I just so happen to have one in the 24" model. I'm averaging .787" @ 200 yards with 44.6gr (max) Varget and 185gr Berger Juggernauts. Once I get my SPT brake for it, it'll be a tack driver. Definitely look into the 10 FCP-SR.

  3. #3
    trentcwwilson
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    Oh, and if you thread it for a brake, look into SPT. Their design gained 20fps over an A2 birdcage on their 10" M4 they built. Lord knows what it'd do to a 308 and twice the barrel.

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  4. #4
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    Definitely putting on a brake and a can if the hearing protection act ever gets out of committee.

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  5. #5
    trentcwwilson
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    Again, and no this isn't a pitch for them. Look onto SPT. Best brake and suppressors I've found so far. They're doing with 2 baffles that SilencerCo and other big names do with 4. And it's all stainless. That means you can use Hoppes (it eats raw aluminum).

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  6. #6
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    Not familiar with SPT and my googler skills didn't help much. What should I search for?

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  7. #7
    trentcwwilson
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    Southern Precision Tooling
    Maryville, Tennessee.

    I have a video of their HuDu AR brake on Youtube. Full auto rated, although my rifle isn't. They have a meeting with the Army, Navy, Air Force, and Marines later this month. Their brake is grabbing attention from a LOT of people. Blacksword Tactical in Knoxville, TN has a pending order of 4k for their ARs. They cannot keep them in stock. Youtube video can be found by searching SPT HuDu. Please excuse my piss poor trigger finger. My fingers don't work as well as they used to.

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  8. #8
    trentcwwilson
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    Last time I checked, 308 brakes were 165+ tax and 308 cans were 495+ tax and ATF BS.

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  9. #9
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    Hard to pick out exactly what your question is. You would really like to have the 6.5, but the 308 you have will suffice since it is so good. But nervous about chopping off the barrel on a shouldered barrel.

    Unless you do your own lathe work - good reason to be nervous. If it does not work with the altered barrel harmonics in your attempt to mount a brake - hiring a smith to replace a shouldered barrel will run you about what buying the Savage 10 in 6.5 now. Only experience needed is about the most basic experience of a savage shooter - nut barrels will cost less due to design characteristics and resulting savings on smith and lathe work, right?

    While it's nice to see your wife confiscate the 16 LWH - that kind of opens the door to get another LWH. Wish I could, maybe someday they will build it with the bolt on the correct side.

  10. #10
    trentcwwilson
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    Quote Originally Posted by Burr View Post
    Hard to pick out exactly what your question is. You would really like to have the 6.5, but the 308 you have will suffice since it is so good. But nervous about chopping off the barrel on a shouldered barrel.

    Unless you do your own lathe work - good reason to be nervous. If it does not work with the altered barrel harmonics in your attempt to mount a brake - hiring a smith to replace a shouldered barrel will run you about what buying the Savage 10 in 6.5 now. Only experience needed is about the most basic experience of a savage shooter - nut barrels will cost less due to design characteristics and resulting savings on smith and lathe work, right?

    While it's nice to see your wife confiscate the 16 LWH - that kind of opens the door to get another LWH. Wish I could, maybe someday they will build it with the bolt on the correct side.
    Ah, lefty troubles.

  11. #11
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    If the Howa is that good, I wouldn't cut it, especially if you're only talking 2 inches. Probably wouldn't hurt anything but why take the chance. Thread it for a brake or can? Sure.

  12. #12
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    Quote Originally Posted by gbflyer View Post
    If the Howa is that good, I wouldn't cut it, especially if you're only talking 2 inches. Probably wouldn't hurt anything but why take the chance. Thread it for a brake or can? Sure.
    That's what I've decided to do. For the reason you mentioned and the cost compared to the weight savings. Now I just need to find a good gunsmith in Middle TN

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  13. #13
    trentcwwilson
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    I can give you the name of one in East TN. Him and the machinist that owns the shop are the best I've met so far.

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  14. #14
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    Quote Originally Posted by trentcwwilson View Post
    I can give you the name of one in East TN. Him and the machinist that owns the shop are the best I've met so far.

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    Please send it to me. I wouldn't mind the drive if I know they do good work

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  15. #15
    trentcwwilson
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    Quote Originally Posted by Boondoggle View Post
    Please send it to me. I wouldn't mind the drive if I know they do good work

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    Do visit them. You'll get to try out their brakes (which you'll most likely buy for every rifle you own, including ARs) and the 260 Dingo. Modified 6.5-06 throwing a 95 grain V-Max at 3975fps.

    Andy Welshan is the gunsmith, Norm Griffitts is the master machinist. Well, one of them. DeWayne Payne is the handloading specialist.

    Southern Precision Tooling
    Maryville, TN
    865-977-6168

    If I remember correctly, removal of barrel, threading, and reinstall was 65 plus tax.

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  16. #16
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    Quote Originally Posted by trentcwwilson View Post
    Do visit them. You'll get to try out their brakes (which you'll most likely buy for every rifle you own, including ARs) and the 260 Dingo. Modified 6.5-06 throwing a 95 grain V-Max at 3975fps.

    Andy Welshan is the gunsmith, Norm Griffitts is the master machinist. Well, one of them. DeWayne Payne is the handloading specialist.

    Southern Precision Tooling
    Maryville, TN
    865-977-6168

    If I remember correctly, removal of barrel, threading, and reinstall was 65 plus tax.

    Sent from my SM-G900R4 using Tapatalk
    That seems to me like a very fair rate for the job.

  17. #17
    trentcwwilson
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    Quote Originally Posted by gbflyer View Post
    That seems to me like a very fair rate for the job.
    Fair is an understatement. That's not just chuck it on a lathe and cut threads. They take the word PRECISION seriously. They center your barrel on the lands, not the OD of your barrel. For 65 bucks, I'm amazed they're making money. Then again, 1600 for the Dingo isn't exactly cheap....

  18. #18
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    Quote Originally Posted by trentcwwilson View Post
    Do visit them. You'll get to try out their brakes (which you'll most likely buy for every rifle you own, including ARs) and the 260 Dingo. Modified 6.5-06 throwing a 95 grain V-Max at 3975fps.

    Andy Welshan is the gunsmith, Norm Griffitts is the master machinist. Well, one of them. DeWayne Payne is the handloading specialist.

    Southern Precision Tooling
    Maryville, TN
    865-977-6168

    If I remember correctly, removal of barrel, threading, and reinstall was 65 plus tax.

    Sent from my SM-G900R4 using Tapatalk
    Called them Friday and they said $85 which I said was outrageous:) Going to ship them the barreled action since it'll only be around $20 round trip. I was going to go with the Fat Bastard II brake but assuming they make a .308 brake I'll take a look at that.


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  19. #19
    trentcwwilson
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    Quote Originally Posted by Boondoggle View Post
    Called them Friday and they said $85 which I said was outrageous:) Going to ship them the barreled action since it'll only be around $20 round trip. I was going to go with the Fat Bastard II brake but assuming they make a .308 brake I'll take a look at that.


    Sent from my iPad using Tapatalk
    The Fat Bastard is good for one thing. Pissing off the people next to you. Have one for a 300 Ultra. Not for the recoil, for when some a**hole is unleashing his AR at the benchrest range and is spraying me with brass.


  20. #20
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    Quote Originally Posted by trentcwwilson View Post
    The Fat Bastard is good for one thing. Pissing off the people next to you. Have one for a 300 Ultra. Not for the recoil, for when some a**hole is unleashing his AR at the benchrest range and is spraying me with brass.

    Ha! That's funny. I like the 2nd gen since I can take it off and on at will. I had a Savage Scout and didn't understand the $hi##y looks I would get until I was next to a guy with a LRP and brake and he was blowing my doors off. I'd keep it off at the range and put it back on when hunting.


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  21. #21
    trentcwwilson
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    Quote Originally Posted by Boondoggle View Post
    Ha! That's funny. I like the 2nd gen since I can take it off and on at will. I had a Savage Scout and didn't understand the $hi##y looks I would get until I was next to a guy with a LRP and brake and he was blowing my doors off. I'd keep it off at the range and put it back on when hunting.


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    The SPT brake can jar teeth as well. It's not bad on 308, but their 260 Dingo, oh boy....59gr Reloder 22, 4k fps, whole lot of pressure, it's definitely a beast. Their 308 HuDu brake requires 2 forms of hearing protection. Plugs and muffs. The muff also help keep your hat on if it's an SBR like the one SPT uses. They called it the WarPig, it's now the Warhog now that it's full auto.

  22. #22
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    Woo the Dingo sounds like a flat shooter to a mile. Any idea on a price for the Hudu in .308?

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  23. #23
    trentcwwilson
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    Quote Originally Posted by Boondoggle View Post
    Woo the Dingo sounds like a flat shooter to a mile. Any idea on a price for the Hudu in .308?

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    165 plus tax, comes to 180 something. Shocking, but worth it. Their bolt brakes ate downright scary when it comes to reduced recoil. The 260 Dingo has the same recoil as a 300WM, but with that brake, 8 year old are shooting it and they can't even hold the gun up by themselves. As far as the 260 is concerned, it's been tested to 700 with the 95gr loads at 3975. 9" of drop. Shoots flat to 425. The Vortex ballistic calculator shows with those numbers and the BC of that bullet. He has some 140gr at roughly 3400-3500. Haven't put those in my gun yet.Let me run the 140s through the calc.
    Quote Originally Posted by Boondoggle View Post
    Woo the Dingo sounds like a flat shooter to a mile. Any idea on a price for the Hudu in .308?

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  24. #24
    trentcwwilson
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    Here's the load with JLK's 140gr with a .630 G1 BC. Slower, but produces WAY better groups. The 95gr V-Max were designed as coyote hunting loads. So speed and explosiveness were the aim. Boy did they surpass that mark....2 425yd shots resulted in removal of lungs and vertibrae. Wound cavities so large you could fit a closed fist in them.

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