-Engineered and made in Australia by Porter Machine Works. CNC machined from 7075-T651 Aluminium plate and anodised in Sydney.

Our rings are designed to mount to MIL STD 1913 picatinny rail.

Side clamp uses a T20 Torx driver at 40 in-lb (4.5Nm)

Top caps use a T20 Torx driver between 17-25 in-lb (1.9 - 2.8Nm)

SKU POR30UNI6B
Brand Porter Machine Works
Tube Size 30mm

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