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Factory Ruger front sight screw ALLEN HEAD *6-48* for POST-OCT-2019 Ruger Mark 4 & MK IV 22/45 (Except LITE) Pistols *D17


Factory Ruger 6-40 front sight screw for Ruger Mark Pistols


 
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Our Price: $6.99

Quantity in Stock:98
Product Code: R-MK-SIGHTF-SCREW-AH648
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Description
 
This is the newer 6-48 Allen Driver type screw for Front sights used on POST October 2019 Mark IV Bull barrels.

In October 2019 Ruger changed front sight screw size in all of the steel Mark Pistol barrels to 6-48.

PAY ATTENTION!!!!!!
Any aftermarket front sight coming with a screw MAY NOT be the right screw for your pistol.


***IF YOU HAVE A "LITE" (ALUMINUM) DO NOT USE THIS SCREW!***
The Ruger LITE currently uses a special longer front sight screw (6-40) because the upper is aluminum and these shorter screws could easily strip the threads out of the upper.

These longer screws are HERE


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