The X-Accu SCTM-57 34mm High Profile One-Piece Scope Mount is designed to securely mount compatible riflescopes with a 34mm main tube onto a 21mm Picatinny rail. Manufactured from 6061-T6 aluminium alloy, it features a full CNC-machined construction with a hard-anodised finish for durability.
The mount has a 40mm centre height, measured from the bottom of the mount to the centre of the scope rings, and a total length of 154mm. Each ring is secured with six screws, while the mounting base incorporates three cross bolts and anti-retreat features to help maintain a secure position on the rail.
Finished in matte black, this one-piece mount provides a stable mounting platform for compatible optics. It is specified to accommodate scopes with an objective lens diameter of up to 65mm, although actual clearance depends on the scope’s dimensions, rifle configuration and rail position.
Key Features
Brand: X-Accu
Model: SCTM-57
Mount Type: One-piece scope mount
Ring Diameter: 34mm (1.3 inches)
Profile: High profile
Centre Height: 40mm (1.6 inches), measured from the bottom of the mount to the ring centre
Rail Compatibility: 21mm Picatinny rail
Ring Fastening: Six screws per ring
Rail Fastening: Three cross bolts with anti-retreat features
Material: 6061-T6 aluminium alloy
Manufacturing: Full CNC-machined construction
Finish: Matte black, hard-anodised
Overall Length: 154mm (6.1 inches)
Weight: 265g (9.3 oz)
Maximum Specified Objective Lens Diameter: 65mm, subject to clearance
Specified Maximum Mounting Torque: 45 inch-pounds, as stated in the supplied product specifications; confirm the correct torque for each fastener before installation.
Specifications
Specification
Details
Brand
X-Accu
Model
SCTM-57
Ring Diameter
34mm
Centre Height
40mm
Overall Length
154mm
Material
6061-T6 Aluminium Alloy
Finish
Matte Black, Hard-Anodised
Rail Type
21mm Picatinny
Ring Screws
Six per ring
Cross Bolts
Three
Weight
265g






















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