Buffington Backsight----

[krinko]

What is the purpose of the slots milled into the back of the slide on this Buff?




There is a difference in the locking screws, too.




I didn't notice the difference in the slides until I decided to switch out the locking screws---since I need one that works mounted on the rifle.
Any help appreciated.
-----krinko

Information

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[JWB217]

That is a slide off the first type Buffington sight which had a working rack and pinion adjustment on it.It was not a successs and dropped around serial number 290,000.The early sight has the small the small screw,the later or second type Buffington has the larger screw.