Sightmark CJRK Quick-Release Riflescope Mount for 30mm and 1" Scope

Sightmark CJRK Quick-Release Riflescope Mount for 30mm and 1" Scope

Sightmark CJRK Quick-Release Riflescope Mount for 30mm and 1" Scope

B&H # SISM34004 MFR # SM34004
Special Order
Expected availability: 7-10 business days

Product Highlights

  • For 30mm / 1" Diameter Scope Tube
  • Quick-Release Picatinny / Weaver Mount
  • Dual Throw-Lever Attachment
  • 1.5" / 38mm Centerline Height
  • Aluminum Construction, Matte Black
  • Return to Zero Capability
  • 1" Reduction Insert Included
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  • 1Description

The CJRK Quick-Release Riflescope Mount from Sightmark is an optical accessory used to attach a 30mm or 1" scope to an AR-style firearm's mounting rail. This mount provides return-to-zero capability of the optic, and it features two quick-release throw-levers integrated with an aluminum rail and two 6-hole scope rings. The 30mm scope rings will also accommodate 1" scopes thanks to the included reduction ring inserts. The CJRK mount is best-suited for scopes that have an eye relief less than 4"; its cantilever design allows proper eye relief and mounting height on various AR-style platforms.

Mount Type
Throw-lever quick-release for Picatinny or Weaver rail
Scope Compatibility
Fits 30mm scope tube, or 1" with the reduction ring
Cantilever Design
Provides proper height and relief of AR-mounted scopes with eye relief less than 4"
Mounting Rings
Aluminum with matte black finish, 6-hole mounting ring with integrated rail
Mounting Ring / Rail Details
  • Centerline height: 1.5" (38 mm)
  • Distance between rings: 3" (76mm)
  • Ring-to-ring length: 6.9" (175mm)
  • Total length with rail: 7.8" (198mm)
  • Ring width: 1.8" (45mm)
  • Ring width with rail: 2.2" (55mm)
  • Ring height: 2.3" (58mm)
UPC: 810119017857
In the Box
Sightmark CJRK Quick-Release Riflescope Mount for 30mm and 1" Scope
  • Hex Wrench
  • Reduction Ring Insert
  • Lifetime Limited Warranty
  • Table of Contents
    • 1Description
    Main Tube Diameter 30 mm (1" with reduction ring)
    Centerline Height 1.5" (38 cm)
    Dimensions 7.8 x 2.3 x 2.2" (20 x 6 x 5.5 cm)
    Weight 8 oz (227 g)
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