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Thread: 223: Another powder question.

  1. #1

    223: Another powder question.

    Have just tried N140 with some reloads which Cyres kindly helped out with whilst I wait to sort my reloading kit. N140 worked well with the 69g TMKs producing 0.6 inch 3 shot group off wobbly sticks at max load of 25.6gr. There were just some slight signs of reaching the max pressure such as very slight cratering of one of the primers but no ejector marks on the casing at all, so I may try another load wound back 0.1 or 0.2 grains to be on the safe side. It didn't fare so well with the 60g Vmax though even though the load was lightly compressed as I failed to better a 0.9 inch group at any load between 25 and 26gr. The rifle's twist is 1/8 but it shoots factory 50 grain Accutip really well over 200yds, with moa groups, so I know it will stabilise a lighter bullet weight well. It also shoots Hornady 55g factory at sub moa.

    I'm thinking of sticking with the N140 for heavier bullet loads (69g and upwards) but what do others use for 50 to 60gr? I'd like to stick with VV powders as they work out cheaper than something like Varget and seem very clean burning too plus both my local stockists keep plenty of VV in stock. Is there anything to chose between N130 and N133 for these bullet weights?

    I'm far more concerned with accuracy than velocity by the way. I'd rather be sure of hitting what I aim at every time than missing at high velocity!
    Last edited by ChesterP; 12-03-2016 at 12:28.

  2. #2
    Just looked at Richard Lee's manual and N-140 is not mentioned for anything lighter than 55grn bullets. N-120, N-130, N-133 and N-135 are all mentioned for bullets down to 40grn but not for anything lighter than 40grn.
    The Nosler manual does not mention N-140 at all for .223, but it shows no load data for bullets heavier than 60grn.
    Last edited by JTO; 12-03-2016 at 12:51.

  3. #3
    I get really good results with 140 and 55gr vmax

  4. #4
    Quote Originally Posted by JTO View Post
    Just looked at Richard Lee's manual and N-140 is not mentioned for anything lighter than 55grn bullets. N-120, N-130, N-133 and N-135 are all mentioned for bullets down to 40grn but not for anything lighter than 40grn.
    I wasn't using it with 55gr bullets or lighter though JTO. I was using it with 60 and 69gr bullets. The question was which do folk prefer (and why) for 60g and below where N140 isn't (generally) as suited?

    Sle....what load are you using with 55Vmax out of interest? (usual caveats applying, different rifle, different casings etc etc).

  5. #5
    Quote Originally Posted by ChesterP View Post
    I wasn't using it with 55gr bullets or lighter though JTO. I was using it with 60 and 69gr bullets. The question was which do folk prefer (and why) for 60g and below where N140 isn't (generally) as suited?

    Sle....what load are you using with 55Vmax out of interest? (usual caveats applying, different rifle, different casings etc etc).

    Sorry! I thought your question was about loads of N-140 for '50-60grn' bullets.
    Richard Lee mentions N-135 for up to 80grn bullets in .223.

  6. #6
    Quote Originally Posted by JTO View Post
    Sorry! I thought your question was about loads of N-140 for '50-60grn' bullets.
    Richard Lee mentions N-135 for up to 80grn bullets in .223.
    135's a possibility too I guess. No short-cut to experience I know, but always useful to learn how others have got on with the other powders as 130 and 133 seem pretty popular.

  7. #7
    I'd be inclined to use the N140 down to 60gr. It worked fine on 63gr SMP's and having a single powder is a whole lot of convenience....

  8. #8
    That's why I started with N140 Milligan as it seemed a very convenient way to go about it. However, with my rifle, it doesn't seem to shoot the 60g bullets anywhere near as well as the 69g but factory 50gr are fine. That tells me that it's not any issue with tight twist rate (1/8 seems very versatile at shooting light as well as heavier bullets....unlike my previous 1/12 which did light but not heavy) more that the powder isn't well suited to that bullet in that (26 inch) barrel.

  9. #9
    I use 24.5gr of N140 with 69r SMK in a 20" Remington 700 LTR with a 1 in 9 twist. works well for me.

  10. #10
    Best group was definitely up towards max load in mine. Didn't try anything lower than 25gr so perhaps I should.

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