Quantcast
  1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Scorched 30 Carbine brass

Discussion in 'Handloading and Reloading' started by BlackJackJoe, Jul 11, 2011.

Thread Status:
Not open for further replies.
  1. BlackJackJoe

    BlackJackJoe Member

    Joined:
    May 23, 2011
    Messages:
    50
    Location:
    Olathe, KS
    I've shot many rounds downrange over 40 years and a lot of different cartridges. But my .30 Carbine brass seems more scorched from the burning powder than brass from my other guns.
    One gun I don't have any experience with is the M1 Carbine. I just got one this year and it has a Rock-Ola barrel, op rod and receiver and the bore is beautiful! Like it's hardly been shot. Is it still possible for the chamber tolerances to be a bit large (allowing too much gas to escape into the chamber)? Or is this scorching a common trait with Carbine brass?
    The gun groups fine @ 100yds and functions just fine with no signs of excessive pressure. (I was using good quality factory ammo.)
    Any insights would be appreciated.
    thanks
     
  2. rcmodel

    rcmodel Member in memoriam

    Joined:
    Sep 17, 2007
    Messages:
    59,082
    Location:
    Eastern KS
    Probably nothing to worry about.

    It can be a result of:
    * hard brass not expanding soon enough to get a good seal.
    * low pressure load not expanding the case fast or tight enough.
    * dirty burning powder.
    * or a semi-auto action starting to open while there is still enough residual chamber pressure to blow soot and crud back alongside the tapered case seal.

    I'd try another brand of ammo before doing anything else.

    Anywho, if it's not blowing fire & brimstone in your face each shot, it is nothing to worry about.

    rc
     
    Last edited: Jul 11, 2011
  3. Cherokee

    Cherokee Member

    Joined:
    Feb 23, 2003
    Messages:
    467
    Location:
    Medina, Ohio
    I've shot lots of 30 Carbine, usually the fired brass is clean but sometimes its a little dirty. No concern if no pressure signs.
     
  4. Sunray

    Sunray Member

    Joined:
    May 17, 2003
    Messages:
    11,364
    Location:
    London, Ont.
    My near max handload toasts the brass a bit too. Nothing to worry about.
     
  5. longdayjake

    longdayjake Member

    Joined:
    Apr 10, 2008
    Messages:
    2,650
    Location:
    Genesee, ID
    Those chambers are pretty loose. I have noticed that I get a lot more soot on my garand, ar15, and m1 carbine brass than what I get from my bolt action rifles.
     
  6. BlackJackJoe

    BlackJackJoe Member

    Joined:
    May 23, 2011
    Messages:
    50
    Location:
    Olathe, KS
    Thank you, everyone! I feel better about it now and I appreciate the feedback. Keep shootin' 10s & Xs!
     
Thread Status:
Not open for further replies.

Share This Page