The Primary Arms SLx Cantilever Mount – PA-SLX-CM-30-1.5 is a high-strength, precision-machined mount built to secure 30mm rifle scopes with maximum reliability. Designed for AR-15 and AR-10 platforms, the 1.5″ centerline height provides ideal alignment with standard cheek welds, ensuring fast target acquisition and comfortable shooting posture.
Constructed from 6061-T6 aluminum and finished with Type III hardcoat anodizing, this mount is built to endure harsh field conditions. The cantilever design pushes the optic forward, allowing for better eye relief and optimal scope placement, particularly with variable-power optics and compact platforms.
This mount is engineered to handle repeated recoil, maintaining zero under hard use, and installs easily using dual cross-bolts that fit standard Picatinny rails. Weighing in at just 6.8 oz, it’s a balance of durability and lightweight performance, ideal for duty rifles, competition setups, or any precision build.
Key Features:
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Tube Diameter: 30mm
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Height: 1.5″ Centerline
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Base: Picatinny-Compatible
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Material: 6061-T6 Aluminum
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Finish: Type III Hardcoat Anodized
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Mount Type: Dual Cross-Bolt
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Cantilever Offset: Forward Mounting for Optimal Eye Relief
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Weight: 6.8 oz
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Torque Spec: 15-20 in-lbs (ring screws), 35-40 in-lbs (cross bolts)
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Made for AR-15/AR-10-style platforms
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Warranty: Lifetime
FAQ:
Q: What type of rifles is this mount designed for?
A: It’s made for AR-15, AR-10, and similar rifles with flat-top Picatinny rails.
Q: Will this work with all 30mm scopes?
A: Yes — it is fully compatible with any 30mm tube optic, including LPVOs and magnified scopes.
Q: How far forward does the cantilever mount push the optic?
A: The cantilever provides forward offset for better eye relief, especially useful with short receiver lengths.
Q: Is it made for hard use or competition?
A: Yes — built from 6061-T6 aluminum, it handles heavy recoil and repeated field use without loss of zero.
Brought to you by Black Bayou Armory.
