Description

Barrel Mount Adapter — a 25.4/30 mm ring plus a 20 mm rail

Key Features

Ring and rail: A scope ring (25.4 or 30 mm) plus a 20 mm Weaver/Picatinny rail on one clamp.
Barrel mount: Clamps off the barrel, per the name.
Metal build: Metal construction per the spec sheet.
Compact: 45 x 20 x 25.4 x 30 mm listed.
Light: 39 g.

Technical Specifications

Material	Metal
Model	HW-L0037-12080038
Weight	39 g
Size	45 x 20 x 25.4 x 30 mm
Color	Black

Our Take

A barrel-mount adapter that gives you a scope ring and a 20 mm rail on one clamp — two mounting options off a barrel with no receiver rail. 45 mm long, 39 g, metal. The size field lists 25.4 and 30 mm together, which likely means the ring handles one tube size or the other — check which version you’re actually getting before ordering. Barrel clamps are convenient and thermally honest: the zero moves as the barrel heats, so treat this as an airgun/rimfire/plinker part, not a precision mounting system. Light and simple, with those limits.