Warne A645TW 45 Degree Picatinny Side Mount – Black Aluminum

The Warne A645TW side mount adapter provides a 45 degree accessory platform for flat-top MSRs and other tactical-style firearms with Picatinny rails. It permits mounting of secondary sighting systems, lights, lasers or other Picatinny-style accessories without modifying the host firearm. The adapter is machined from aluminum and finished in matte black to combine strength with a lightweight profile.

Key Specifications

• The adapter provides a 45 degree offset accessory platform for secondary optics or accessories.
• The mount is constructed from aluminum.
• The finish is matte black anodized.
• It attaches to Picatinny (Mil‑Spec 1913) rails for broad compatibility.
• The side rails feature four Mil‑Spec 1913 cross slots to accommodate most Picatinny accessories.
• The design includes two cut-out sections to reduce overall weight.
• The listed dimensions are 0.95 x 3.70 x 4.95.
• The listed height is 0.9500.
• The listed weight is 0.115 as provided in the product details.
• Installation requires no modification to the firearm and is intended to co-witness with compatible side rails.

Compact and practical, the A645TW expands accessory mounting options while maintaining a low profile and reliable interface with Mil‑Spec rails. Its lightweight machined construction and updated slot layout make it a straightforward choice for shooters who need an offset position for back-up sights, lights, or aiming devices without altering the primary sight picture.