1911 Old Bo-Mar

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    The scope base was originally designed to replace the earlier Bo-Mar Rib with 3 holes. The current Bo-Mar Rib design is the same as the original with an additional 4th hole.  The scope base can be installed on a slide that has not previously been drilled and tapped.   The hole pattern for the old style base spreads the mounting screws a little further apart.

    A new style scope base is available with 4 grooves for mounting the scope. The scope Base is the same dimensions as the original scope base with an additional 2 grooves  The extra grooves will allow the scope to be mounted a little further forward on the slide for a slightly different balance. When installing the front screw make sure it does not protrude thru the slide and contact the barrel bushing. Complete mounting instructions, screws and allen wrench  are furnished with the scope base. 

PT-52 Scope Base Old Bo-Mar 2 Groove........ $40.00

PT-52-1 Scope Base Old Bo-Mar 4 Groove .... $40.00

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Last modified: November 1, 2014