Product Overview

Built for Aussie rimfire shooters who actually run their gear hard, the Danger Noodle Ruger MK4 22/45 RMSc Mount gives you a rock–solid way to bolt a Shield RMSc‑pattern red dot straight onto your Ruger Mark IV 22/45.

Machined from a single piece of metal with proper countersunk and threaded holes, this mount keeps your optic low over the bore for a clean sight picture and fast target transitions. The footprint matches common RMSc micro dots, and the profile is slim enough that it doesn’t snag or add bulk to your Lite barrel.

Every edge, radius and hole spacing is purpose‑built – from the 47.25 mm overall length to the carefully set screw pattern – so the mount locates positively and stays put under recoil. Finished in a tidy black, it looks factory but locks up like a custom part.

Designed and made in Australia, this is a no‑nonsense upgrade that lets you turn your Ruger MK4 22/45 into a precise, red‑dot‑ready plinker or steel‑challenge pistol without dodgy adapters or backyard mods.

Key Features

• Purpose-built RMSc footprint mount for Ruger MK4 22/45 pistols, providing a secure interface for popular micro red dot sights.

• Handgun Fitment to MK4 22/45 or MK4 Ruger variants

• Precision CNC-machined profile and hole pattern (including 3 x M4 x 0.7 threaded positions) ensures consistent alignment and repeatable zero.

• Compact 47.25 mm overall length and slim 14.15 mm mounting width keep the optic low and streamlined for a natural sight picture.

• Curved base radius (R12.67) is matched to the Ruger MK4 22/45 receiver, maximising contact area and stability under recoil.

• Multiple mounting holes and countersunk fastener locations allow a clean, snag-free installation on the pistol.

• Low-profile design keeps the optic close to the bore axis, helping maintain fast target acquisition and intuitive aiming.

• Clearly marked “Ruger MK4 RMSc” engraving makes identification easy when swapping mounts between firearms.

• Compatible with RMSc-style micro red dots, enabling a wide choice of compact optics for target, competition or field use.

• Machined from a solid billet for strength and durability, suitable for regular range work and training use.

• Designed and manufactured in Australia, offering local quality control and support for Australian shooters.