The Beiter O-Ring slots onto threads on which you join together sight parts, and has two main functions: to increase friction and thereby, grip, as well as to absorb vibration and stabilize. The O-Ring is constructed from high-grade elastomere.
Specifications
- Size 4 x 2 mm is suitable for 8-32″
- M4 threads; size 5 x 2 mm is suitable for 10-32″
- M5 threads. The thickness for both sizes is 2 mm
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