Top takeaways

  1. O-rings in Sinclair bore guides and related products need periodic replacement due to wear from solvents and use.
  2. Replacement kits are available for the 222 and 223 family of guides and the 17 caliber guides, including an O-ring installation tool.
  3. O-rings are sold in 5-packs for each of the three sizes, and the larger O-rings can be installed without the tool.

Attributes

Delivery weight: 0.005kg

Item details

Made in USA