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  1. #1
    Member tj214's Avatar
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    Sten Magazine Gauge Markings

    Just got a NOS Sten mag gauge from Marstar in Canadaicon. It has the following markings lightly engraved:
    GO. GAPS
    FOR LIPS OF MAGAZINE
    D D (E) 3543/3


    <Logo circle> PG LTD

    HEIGHT & ANGLE
    OF ROUND
    230 7° 35'
    The "230" may actually be "-230." Have no idea what this represents.

    The 7° 35' angle seems awfully precise for equipment manufactured by perhaps dozens of companies around the world!

    The cartridge angle is obvious, but can anybody translate the rest, and tell me the manufacture date?

    Thanks much.

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    Peter Laidler's Avatar
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    Go = that part of the gauge must pass into the magazine lips
    DD(E) is the Enfiueld design office drawing number
    PG gauge = Precision Gauge (PG part) and Tool Ltd
    Height and angle = presentation angle of the round to enter the chamber directly. We always said it must be 8 degrees but......
    and .230 = the height of the centre line of the base rim diameter

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    Member tj214's Avatar
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    Thread Starter
    Knew I could count on you, Peter!

    I really got a laugh from the 7° 35' specification. Suspect it was achieved . . . once, at Enfield!

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    To be honest, that was probably a gauge used at a factory or Base Workshops only. Our gauge was a simple plate gauge that we made as apprentices. That's why on the Sterling L2 guns, the round was presented SQUARE but the magazine was angled forwards at 8 degrees or so


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