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M1 Garand TE Scale and Muzzle Condition

roderickp
Could anyone explain to me the Throat Erosion scale and what is acceptable on M1 Garands? Also, could anyone please explain about the muzzle tightness and how these effect the weapon?

Thanks,
Pete
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4 comments

Date Votes
  • firstharmonic
    Here's a link to the CMP website's inspection process, that may help explain what you want to know.
    http://www.odcmp.com/Services/Rifles/inspect.htm

    Noli Illegitimi Carborundum
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  • nmyers
    Throat Erosion is a measurement of the bore just forward of the chamber. It is worn away by bullets fired & hot gases. A TE gauge measures this wear starting with a nominal .3000 inches for a new barrel reading as .0000", or TE=0. In real life, new barrels often measure 1.0-2.0. So, a TE measurement of .3002" is described as TE=2.0. Although safe (& sometimes accurate) up to TE=10.0, the US military replaces barrels at TE=5.0.

    Muzzle wear is measured with a similar gauge. Most muzzle wear is caused by improper cleaning. A new barrel will be about MW=1.0; up to 2.0 or 2.5, accuracy will be acceptable. Beyond 3.0, don't expect much, as bullet control will be lost as it nears the muzzle.

    Neal
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  • jonk
    Reminds me of stopping at CMP north store; among the rack of Greek Garands I found one with a tag ME 1 TE 1 and with all matching HRA parts. And it looked BAD. Rack grade, $295. Well worth it, proves that going through the rack of them is worth it if you can.

    "...hit your enemy in the belly, and kick him when he is down, and boil his prisoners in oil- if you take any- and torture his women and children. Then people will keep clear of you..." -Admiral of the Fleet Lord Fisher, speaking at the Hague Peace Conf
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  • firstharmonic
    Originally posted by jonk
    Reminds me of stopping at CMP north store; among the rack of Greek Garands I found one with a tag ME 1 TE 1 and with all matching HRA parts. And it looked BAD. Rack grade, $295. Well worth it, proves that going through the rack of them is worth it if you can.

    You got this one as a RACK GRADE? Holy cow! you must live a righteous life! Congrats and a ton of envy.



    Noli Illegitimi Carborundum
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