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Thread: 6.5 Creedmoor with N110 - has someone done this?

  1. #1
    Boolit Master
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    6.5 Creedmoor with N110 - has someone done this?

    Hey guys,
    Im transforming .308 Winchester cases into 6.5 Creedmoor.
    After the swagging process I want to do some fire forming to print out the edges.

    Therefore I want to try a pet load with N110 and some 140gr. copper platted bullets from H&N (Germany).

    The problem is, H&N says that you shall not go over 1400fps, what would mean I had to go with about 12gr. of N110.
    This would fill my case only for round about 30%.

    Quickload says with 12gr. of N110:
    1439fps
    11983psi

    I never had such a reduced load.
    Will this be safe?
    "In lead we trust!"

  2. #2
    Boolit Master

    Rcmaveric's Avatar
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    Its fine. May or may not be accurate. Try a few shots at 50 yards. I shoot the 260 Rem that is very similar to the Creedmoor. My velocities are around 1500 to 1600 fps.

    N110 is fast riffle powder up there with 2400. I use 2400 for target loads. Small charges get wonky with slow powders and are fine with faster powders.

    Did you anneal those cases after resizing them? If not i recommend it to relieve stress and anneal the hardness induced from working the brass. I split a lot of case necks making grendel brass till i etarted annealing. Also anneal again after the fire form. Then your set for a while. Dont forget to trim. Brass flows.

    Also keep in mind your quickloads prediction could have a plus or minus. My .270 always shoots 100 fps faster and my .260 Rem shoots 50 fps slower than Quickloads predicts. Atleast its consistent.
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  3. #3
    Boolit Master
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    Thank you sir, I appreciate it.

    I will do as you adviced.
    I just started with swagging, with a .284 Win. neck sizing die which I borrowed from a friend, still waiting for the 6.5 CM dies to be delivered.
    I thought it might be a good thing to swag in two steps.

    Unfortunately the .284 die is somewhat to long, the shoulder stands above like .15", almost untouched from the start in .308 Win.
    Now Im thinking about to get me a .284 Win die on my own and cut it down somewhat above .1" or so.

    Before I swag more, I will anneal the brass like you mentioned.

    How do you short the brass that much?
    Im having a RCBS trim pro here, but shorten those cases for .15" or almost .2" scares me a bit.

    Cheers from Germany,
    Jo
    "In lead we trust!"

  4. #4
    Boolit Master

    Rcmaveric's Avatar
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    If you have a trimmer set it up to trim to the published Min brass length. I use the Lee handheld trimmer.

    I am not familiar with the .284 Win. I would really wait till you got the Creedmoor die. To move your shoulder back that far you would need to shave the shell holder or bottom of the die.

    Most cartridges based on the .308 cases have the same headspace and shoulders. Just different neck diameter. The 6.5 Creedmoor has different dimensions and has more powder capacity.

    Sent from my SM-G950U using Tapatalk
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  5. #5
    Boolit Master
    swheeler's Avatar
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    Quote Originally Posted by Rcmaveric View Post
    If you have a trimmer set it up to trim to the published Min brass length. I use the Lee handheld trimmer.

    I am not familiar with the .284 Win. I would really wait till you got the Creedmoor die. To move your shoulder back that far you would need to shave the shell holder or bottom of the die.

    Most cartridges based on the .308 cases have the same headspace and shoulders. Just different neck diameter. The 6.5 Creedmoor has different dimensions and has more powder capacity.

    Sent from my SM-G950U using Tapatalk
    I think you meant to say "less" powder capacity than the whole 308 family of cartridges. 243-260-7-08 and 308 all hold more water. The parent case for the Creedmoor was the 30TC, that die would get the 308 shoulder pushed back within about .020 of 6.5CM location, may help. I like this little 6.5 CM cartridge, haven't shot anything but paper and one coyote with it though.
    Hell, I was there!

  6. #6
    Boolit Master

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    Hmm your right. The .260 Rem does hold a little bit more.

    Sent from my SM-G950U using Tapatalk
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  7. #7
    Boolit Master
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    I have made CM brass out of 22-250. Works real well, easy to do. The downside is a slightly shorter neck. I run the brass into a LEE 6.5 CM sizing die after I anneal the brass. Can be done without the anneal, expect to see a few split necks. Fireform and you are ready to go.

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BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
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