Filler Screws

Hondo44 said:
6 x 48 is correct. There's only two other main plug sizes; 8 x 40 and 10 x 32.
Not germane to the 10/22 question but the screws (and filler plugs) used to attach the Picatinny rail to the Ruger Gunsite Scout rifles are 6-40.
 
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