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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You Pay: $79.97

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Sightmark SM34004 overview

  • 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
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Sightmark SM34004 specs

    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
    Packaging Infowrztrdarebfztyxryduaz
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 9.5 x 3.0 x 2.6"

    Sightmark SM34004 reviews

    CJRK Quick Release Riflescope Mount for 30mm and 1" Scope is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from sightmark cjrk scope mount A high quality mount for a reasonable price
    Date published: 2017-11-27
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