Description
Crafted with precision by American skilled trade workers at Griffin Armament’s headquarters in Watertown, WI, Griffin Precision Mounts™ (GPM™) are machined from lightweight, solid blanks of aircraft-grade aluminum. Engineered for precision, versatility, and durability, these mounts integrate cutting-edge features. This lightweight cantilever generation incorporates significant enhancements to fore/aft mounting flexibility of both the optic in the saddle via .300” increased distance between rings, and the mount on the rail via ~20MM shorter mounting interface length. 30% weight reduction was achieved, meeting category market leaders in system weight. A machined pocket interfacing 17-4 stainless nitrided recoil lug was added to enhance features and eliminate screw to rail recess contact.
The unique, patented, split-ring design, offset on two parallel planes, provides five Accessory Interface Suite™ (AIS™) mounting surfaces: top, left, right, and 45° left and right offsets affords unparalleled ambidextrous flexibility for accessory placement, catering to both left- and right-handed users. The AIS™ utilizes a dowel pin alignment system, enabling seamless integration of modular accessories.
Designed with ergonomics in mind, GPM™ Mounts support Rapid Transition Optic™ (RTO™) plates, which align secondary non-magnified optics with the stock height over comb, optical centerline. This allows for intuitive, rapid target acquisition with a simple roll of the firearm, maintaining shooter comfort and efficiency.
Supported Optics and Accessories
The AIS™/RTO™ system is compatible with a wide range of optics, including:
- Griffin Micro Sight™ (GMS™)
- Aimpoint Acro, T1/T2, H1/H2, Comp M5
- Sig Romeo
- Vortex Spark, Venom, Viper, Razor
- Trijicon RMR, SRO
- Holosun HE507C, HS407C, HS508C
- Leupold Deltapoint
- J Point, Optima, Dr Optic, Meopta, Insight Microdot
- Burris Fastfire
- CMORE STS, RTS, STS2
- Wilcox Raptar Mount
- Simrad Adaptor Plate
- Picatinny AIS™ plates
Griffin Armament is dedicated to future-proofing the GPM™ system, with ongoing development to support emerging optic technologies.
Features
- American-Made in Watertown, WI
- AIS™ Accessory Mounting Technology
- RTO™ 45 Degree Reflex Support
- Enhanced fore/aft mounting flexibility with shorter mounting footprint
- Enhanced fore/aft optic erector housing flexibility via .300” longer ring to ring interface.
- Lightweight Design ~30% Lighter Than Previous Generation- Par With Market Leading Competitors
- Built-In 17-4 SS Recoil Lug
- Dowel Pin Accessory Alignment
- Ambidextrous Design
- Unibody Construction – Reduced Zero Retention Failure points
- Aerospace Manufacturing Methods – In Machine Probing
- Type III Milspec Hardcoat Anodizing
- Utility-Patented Design
- Perpetual Lifetime Warranty™
What’s in the Box
- 35mm LW Cantilever Griffin Precision Mount™
- 10 (8-40 T15) fasteners for ring clamping
- 4 (10-32 fiber lock patched T15) fasteners for rail clamping
- T15 Allen Key
- Ring Shim Set (allows bottom ring screws to be torqued to 20 in/lbs before attaching optic mount to rail, and affords leveling afterward without a need to re-torque lower screws)
- GPM™ Manual
Installation Note:
It is a good practice to dry fit accessories to confirm screws do not protrude into the ring bores prior to mount assembly. This reduces the minimal risk of damage to optics caused by a long AIS™ accessory screw touching the optic.
Optic Height Specifications
Optic height is measured from the top of the Picatinny rail to the centerline of the tube diameter. To calculate the height to the bottom of the ring cradle, subtract half the tube’s diameter from the listed height.
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