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Questions & Answers
what size bushing set for 7mm Manufacturer Answer

These bushing are used for the site mounting fixture and not a sizing die.

by Forster Products, Manufacturer, August 21, 2025
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Most Recent Reviews
Great for correcting bad alignment by Mike, Verified Owner, February 2, 2025
Haven't needed it yet but better to have them not.
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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Forster Bushing Set

These are part of Forster’s famous lineup of Gunsmithing Equipment.image

Hardened, steel drill jig Forster Bushing Set for the Universal Sight Mounting Fixture - order by tap size. Most Bushing Set include a pre-drill, drill, and tap bushing. (Please note that the smallest 3-56 set includes just the drill and tap bushing).

Tap size (threads)

3-56 Threads, 6-48 Threads, 8-40 Threads, 10-32 Threads

Specifications for Forster Bushing Set:

Manufacturer: Forster
Country of Origin: USA

Features of Forster Bushing Set:

  • Tap size (threads)
    • 3-56 Threads
    • 6-48 Threads
    • 8-40 Threads
    • 10-32 Threads

Package Contents:

  • Forster Bushing Set

Forster Bushing Set Orderable Models

List of Orderable Models

  • Forster 8-40 Bushing Set Tap Size 8-40, Includes 3 Bushings Marked #30, #28, #18, UF1000-UB0840 , MPN: UF1000-UB0840 , UPC: 757253006920 , Code: 2RJ-GS1-FBGSBSHS-UF1000-UB0840
  • Forster 6-48 Bushing Set Tap Size 6-48, Includes 3 Bushings Marked #7/64, #31, #27, UF1000-UB0648 , MPN: UF1000-UB0648 , UPC: 757253006913 , Code: 2RJ-GS1-FBGSBSHS-UF1000-UB0648
  • Forster 10-32 Bushing Set Tap Size 10-32, Includes 3 Bushings Marked #25, #21, #9, UF1000-UB1032 , MPN: UF1000-UB1032 , UPC: 757253006937 , Code: 2RJ-GS1-FBGSBSHS-UF1000-UB1032
  • Forster 3-56 Bushing Set tap size 3-56, includes 2 bushings marked #45, #36, UF1000-UB0356 , MPN: UF1000-UB0356 , UPC: 757253006906 , Code: 2RJ-GS1-FBGSBSHS-UF1000-UB0356
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Last updated 2026-08-22 UTC.