Primary Arms Classic, One Piece Ring, 30mm, Anodized Finish, Black, Fits Picatinny 9100158 The Primary Arms Deluxe AR-15 Scope Mount is ideal for M4, AR-15, and similar flat-top 1913 Picatinny mounting platforms. Aluminum construction, durable matte black anodized finish. 2.52 inches of clearance between the rings. Places the center of your 30mm tube scope 1.5 inches above the rail. Fits scopes with 30mm tubes. This tough mount features a lifetime warranty. To make sure that the mount nut is fully tightened, turn the nut clockwise until resistance is encountered. After that, turn another 1/2 turn. If a torque wrench is being used, it is recommended no more than 35-40 in-lbs.
- Tube Diameter: 30mm
- Mount Type: One-piece cantilever
- Height: 1.5" centerline above the rail (ideal for AR-15s)
- Material: Aluminum
- Finish: Hardcoat anodized black
- Weight: Approximately 8.2 oz.
- Rail Compatibility: MIL-STD-1913 Picatinny
- Designed For: AR-15/M4 flat-top receivers, especially LPVOs and variable-power scopes.
Recommended Torque
- Ring screws: 35–40 in-lbs
- Cross bolts to the rail: Tighten to approximately 35–40 in-lbs (Primary Arms also notes tightening until snug, then an additional ½ turn if not using a torque wrench).
Good Match For
- Primary Arms SLx/GLx LPVOs
- Vortex Strike Eagle 1-6x or 1-8x
- SIG Tango MSR
- Burris RT-6
- Most 30mm tube hunting or tactical scopes
Pros
- Excellent value for the price.
- Correct height for a natural AR cheek weld.
- Plenty of forward offset for proper eye relief.
- Lifetime warranty from Primary Arms.
Cons
- Heavier than premium mounts (such as Aero Precision or Geissele).
- Uses standard cross bolts rather than a quick-detach system.
- Not intended as a precision return-to-zero mount after repeated removal.
For a general-purpose AR or LPVO setup, this mount is a dependable, cost-effective choice. If you're building a lightweight rifle or a precision rifle, stepping up to an Aero Precision, American Defense, Scalarworks, or Geissele mount may be worthwhile.