unusual 1911 Colt

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    C

    captainstashu

    Active Member
    Jan 26, 2011
    240
    Silver Spring, MD
    I bought this gun recently in pieces. It was jammed up and missing some parts. I just finished putting her back together and will take her to the range next week.

    My question is, I do not know anything about the installed Bowmar ramp sight. Does anyone know anything about them?
     

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    John from MD

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,948
    Socialist State of Maryland
    The Bowmar rib was a staple back in the heyday of Bullseye shooting. I put many on 1911 for shooters who wanted better sights and couldn't afford a Gold Cup. One model (not yours) came with what they advertised as a "tuner". This was a moveable part of the rib that bore down on the barrel shroud. It was located where the second screw from the rear sight is on your pistol. It's claim to fame was that the barrel went into battery in the same place every time.

    The sights weren't as good as Colt Ellison, but they were better than what 1911's usually came with. :lol:
     
    TheOriginalMexicanBob

    TheOriginalMexicanBob

    Ultimate Member
    Jul 2, 2017
    33,070
    Sun City West, AZ
    The added mass of the rib can potentially cause malfunctions if cartridge load and recoil spring are not matched. If it works fine...great. Otherwise it might take some experimenting to find the right combination to balance reliability with no frame battering.
     
    John from MD

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,948
    Socialist State of Maryland
    TheOriginalMexicanBob said:
    The added mass of the rib can potentially cause malfunctions if cartridge load and recoil spring are not matched. If it works fine...great. Otherwise it might take some experimenting to find the right combination to balance reliability with no frame battering.
    Click to expand...

    For Bullseye shooting, most folks would use a H&G #68 bullet and 4 grains of Bullseye powder and a 14 or 15 pound spring. I wouldn't shoot hardball in a Bullseye gun as you will ruin it.
     
    C

    Crosseye Dominant

    Ultimate Member
    Sep 1, 2018
    1,027
    If I remember my uncle's correctly, the Colt 1911's that were issued for the US army marksmanship team in the 80's for bullseye have that sight. They came paired with a .22 setup the same (think ruger mk 22-45?)
     
    M

    Magnumite

    Ultimate Member
    Dec 17, 2007
    6,581
    Harford County, Maryland
    Nice pistol. I bought one similar to that a couple months back. Even had a trigger shoe on it. The heavier slide could slow down cycling some so be careful not to over spring it. More can be accomplished at the back of the pistol than with just the recoil spring. Curious, does the bottom of the firing pin stop have long radius or an angled flat?
     
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