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The sight pivot hole is the same as the extractor pin
hole. The (2) 1/8" holes under the peep are not tapped.
The front hole has a 1/4" hole up from the bottom, almost all the
way thru. It is the recess for a screw head above the firing
pin. The slots for the peep appear to be cut with a
1/16" X 1" dia slitting saw, & done in 3 settings by
dropping it down instead of slitting the full length in one
pass. There is only about .015 material left between the
extractor slot & the peep slots.
This drawing is of a model 71 bolt. The 1886 would have a different size hole for the larger FP tip & no retainer cross pin. |
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This 1886 firing pin is cut for the bolt peep, that has a firing pin tip of about .106 dia. You will notice it has no retainer slot in the bottom rear, as does the model 71 |
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Model 71 firing pins with a tip dia. of about .075. The body has a reduced dia., not for lightening, but to provide relief of debris & therefore binding. It has the retainer pin slot. |
