Description
The LaRue Tactical LT13530 is the tall member of the well-known SPR family of mounts, built for anyone running a 30mm scope on a flat-top AR who wants to sit up a little higher behind the glass. It carries the same proven bones as LaRue's 1.5-inch mount, just taller, positioning the centerline of the optic 1.93 inches above the top of the rail. That height was originally cooked up to clear taller front sights and top-mounted gear, but plenty of folks grab it simply because a more upright head position feels better and gets them on target faster.
What Sets the LT135 Cantilever Apart
The cantilever design pushes the scope out front over the handguard, so you get proper eye relief without trying to bridge the gap between the receiver and the rail. The rings ride on LaRue's signature backbone, a one-piece structure connecting the split vertical rings that adds rigidity and, better yet, skips the tedious ring-lapping step most builds require. Rings are precision machined with tight tolerances and use threaded steel inserts, so they hold up to real use without stripping out.
Return to Zero You Can Count On
This is where the LT13530 earns its reputation. The locking LaRue Speed Levers clamp onto a Picatinny rail and give you dependable return to zero, meaning you can yank the optic off and reinstall it later without chasing your point of impact around the target. Owners who pull their scopes on and off constantly report no measurable shift, which is exactly what you want when you're running expensive glass.
Built From Solid Bar Stock
Every LaRue mount is machined out of bar-stock aluminum and finished in matte black anodizing for a tough, non-reflective surface that shrugs off scratches, weather, and grit. It weighs in around a half pound, striking a nice balance between rock-solid stability and not loading down the front of your rifle. Setup takes just a few minutes with basic tools, and then you're off to the range.
Key Specifications
- Manufacturer: LaRue Tactical
- Manufacturer Part Number: LT13530
- Model: Cantilever QD Scope Mount (SPR/M4 LT135)
- UPC: 810143180565
- Tube Diameter: 30mm
- Ring Height: High (1.93 inches above rail)
- Mount Type: Cantilever / Quick Detach
- Material: Bar-Stock Aluminum
- Finish: Matte Black Anodized
- Rail Interface: Picatinny
- Attachment: LaRue Speed Levers (QD)
- Weight: Approx. 0.57 lb
What’s Included
- LaRue Tactical LT13530 Cantilever QD Scope Mount with high 30mm rings
Frequently Asked Questions
What size scope tube does the LaRue LT13530 fit?
This mount is built specifically for scopes with a 30mm main tube. If your optic uses a 34mm or 1-inch tube, you'll want the matching LaRue variant instead, since the rings are cut to a fixed diameter and don't use adapters.
How tall does the LT135 sit and why does that matter?
It places the centerline of your optic 1.93 inches above the top of the rail, which is the tallest option in LaRue's SPR series. That extra height clears taller front sights and lets you keep your head more upright for a comfortable cheek weld, which a lot of folks find speeds up target acquisition.
Will the LaRue cantilever mount hold zero if I take my scope off and put it back on?
Yes, that's the whole point of the QD Speed Lever design. Owners who remove and reinstall their optics frequently consistently report no noticeable shift in point of impact, so you can pull it for travel or storage and trust it when you clamp it back down.
Do I need to lap the rings on this mount?
No, and that's one of the nicest parts of this design. The rings ride on LaRue's one-piece backbone machined to tight tolerances, which keeps everything aligned and eliminates the time-consuming lapping step other mounts often require.




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