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Sets You Up To Install a Red Dot Sight on Your Pocket Sig?

The Brownells Holosun 507k Cut Slide for the Sig P365 enables you to install a Holosun 407k, 507k, and Shield Sight RMS red dot sight on your pocket Sig P365. It offers all the benefits of our “Front Cut” slide for Sig P365, including forward slide serrations that give you extra leverage in manipulating P365 slide against its stiff recoil spring.

The cutout on top of the slide behind the ejection port accepts a Holosun 407k, 507k, and Shield Sight RMS or other red dot that fits the Holosun 407k/507k mounting footprint. Uses the factory screws supplied with your Holosun 407k or 507k

The Holosun 507k Cut Slide for Sig P365 also comes with a factory front and rear sight dovetails.


Machined from heat-treated & hardened 17-4 stainless steel billet

Hard, wear-resistant matte black Nitride finish

Internal dimensions identical to factory slide

Includes Factory front and rear sight dovetails.

Slide only - no internal parts (see Gun Tech Note below)

Uses mounting screws provided with you Holosun optic


Our Holosun Cut Slide gives you more grasping surface on your Sig P365 by adding deep-cut serrations up front. This is a big help when making a quick press check of the chamber. Crisp 90-degree edges on the grooves give you excellent purchase for chambering a round on the first try.

Brownells Gun Tech™ Note: The Holosun 507k Cut Slide for Sig P365 consists of the bare slide only. You will need to retain your pistol's existing internal parts or aftermarket parts.