Description
Now you can replace your eyepiece on your Type 21 receiver sights by Povidence Tool Co. with one that is threaded to accept eye cups up to 3/4″ diameter with a 10-32 thread. We offer several Marble’s eye cups that fit these. Please see item numbers MAR009787, MAR009786 & MAR009785.
| Modified Aperture for Providence Pattern #21 Receiver Sight Tapped 10-32 for Eye Cup |






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