Strike Industries Oppressor Universal 3-Lug QD Base Set

The Strike Industries Oppressor Universal 3-Lug QD Base Set provides an additional quick-detach mounting base designed specifically for the SI OPPRESSOR Universal body. It lets users install a spare or replacement base on a second compatible barrel so a single Oppressor Universal body can be rapidly moved between weapons. The kit ships with the necessary shims and crush washers for installation on both 1/2″ and 5/8″ threaded barrels.

Key Specifications

• Model included: Oppressor Universal 3-Lug QD Base Set.
• Material: S45C steel.
• Thread compatibility: 1/2″ and 5/8″ threaded barrels.
• Included hardware: shim, 1/2″ crush washer, 5/8″ crush washer, installation/order card, warning card.
• Intended body fitment: SI OPPRESSOR Universal only.
• Caliber compatibility: .223/5.56, .308/7.62 and 9mm.
• Maximum muzzle device diameter: 25.00 mm (0.98″).
• Overall Oppressor Universal diameter: 41.00 mm (1.61″).
• Not compatible with: SI OPPRESSOR & SI OPPRESSOR LITE.

This base set is a practical solution for owners who want to use one Oppressor Universal body across multiple firearms or keep a spare mounting base on hand. It delivers a compact, repeatable mounting point and includes the specific hardware needed for straightforward installation on compatible threaded barrels.