The Kastle Group BC-ACRO is a replacement battery cap built to fit the Aimpoint ACRO, and it is designed to take the place of the factory cap on the P-2 and C-2 optics. It adds a +1 extra battery...

The Kastle Group FSM-DB is a Fortress Series optic mount, and this version is sized for 34mm tube diameters, so it matches optics built on that tube size. Kastle lists it as fitting most LRF...

The KNEKT-LVL is a level made by Kastle Group, designed to help you set up your optic so it sits true on the firearm. It is a simple, focused tool for anyone who wants a dependable reference while...

The Kastle BC-MICRO battery cap replaces the factory cap on your Aimpoint Micro T-2 optic and adds a storage compartment for a spare CR2032 battery. Because the spare lives in the cap, a backup is...

The Kastle Fortress Diving Board is a clear mount built to fit 2.26" Fortress Series optic mounts. It lets you attach a laser, thermal unit or other device in front of your optic, which saves rail...

The Kastle Group Fortress ACRO-226 is an optic mount built on the Aimpoint ACRO footprint, so it fits Aimpoint ACRO optics. It carries the optic on a 2.26" optical centerline, which the maker says...

The Kastle Group FSM-193 Fortress scope mount fits scopes with 30mm tube diameters and attaches to a Picatinny rail. Its 1.93" optical centerline sets how high your scope sits above the rail, and the...

The Kastle Group MICRO-193 is a FORTRESS series optic mount built around the Aimpoint Micro footprint, so it fits optics that share that footprint. A titanium K-Clamp handles the mounting, so the...

The Kastle DB-193 Diving Board is a forward accessory rail that mounts ahead of your optic, so a laser, thermal or other device sits out front and saves rail space further forward. It is designed to...

The Kastle Group MICRO-226 is an optic mount designed around the Aimpoint Micro footprint, so it accepts optics that share that footprint. Its 2.26" optical centerline lifts the optic to a higher,...

The Kastle Group Fortress AEMS-193 is an optic mount built around the Holosun AEMS footprint, so it accepts optics that use that mounting pattern. It places your optic at a 1.93" optical centerline,...

The Kastle Group Fortress Diving Board is a mount accessory that fits 2.26 Fortress Series optic mounts. It is designed to work with the MICRO-226 and ACRO-226 optic mounts, so you can attach a...